California Big Trees - Listings
Official Registry of California Big Trees
California has 327 Big Tree listings,
112 National Champions and 37 Co-Champions.
Questions regarding these listings can be directed to Michael Taylor at bigtreescalifornia@yahoo.com
Acacia, Bailey
A. Cowley, 1998 - Gilroy
Acacia, Black
Acacia, Black
National Champion
Bruce Larson, 2004 - Fremont
Acacia, Black Wattle
A. Cowley, 1999 - Carmel
Acacia, Winter Thorn
Alder, Italian
Jacom Halliday, 2006 - Fremont
Alder, Red
National Champion
Eric Ettlinger, 2006 - Golden Gate National Recreation Area
Alder, White
Almond
L. Barton and A. Cowley, 1998 - Bakersfield
Aloe
Brandon Williams, 2004 - U.C. Irvine
Apple Tree
Nelson Kirk, 2004 - Fremont
Ash, Blue
A. Cowley, 1999 - Santa Ana
Ash, Oregon
A. Cowley, 2003 - Scicon
Ash, Shamel
Ash, Two-petal
National Champion
F.T. Callahan, 1986 - Lake County
Ash, Velvet
C. Gilstrap, 1991 - Modesto
Ash, Arizona
Aspen, Quaking
National Champion
Co-Champion
Aspen, Quaking
National Champion
Co-Champion
Avocado
National Champion
A. Cowley and C. Newton, 1999 - San Juan Capistrano
Bay, California
National Champion
A. Cowley, 2004 - Mendocino County
Bayberry, Pacific
Beech, American
A. Cowley, 2001 - Palo Alto
Beech, Copper
A. Alexander, 2001 - Menlo Park
Beefwood
Co-Champion
Nelson Kirk, 2006 - Fremont
Beefwood, Horse-tail
A. Cowley, 2001 - Stanford University
Belloto, Chilean
Birch, European White
A. Cowley, 1998 - Santa Clara University
Bladdernut, Sierra
National Champion
Bottle Tree, Black kurrajong
A. Cowley, 2002 - Orange
Bottle Tree, Victorian
A. Cowley, 2002 - San Juan Capistrano
Bottlebrush
A. Cowley, 1998 - San Luis Rey
Bottlebrush
Bougainvillia
Arthur Cowley, 2004 - Dana Point
Box Elder
National Champion
Brisbane Box
A. Cowley, 2004 - Orange
Brush Cherry, Australian
Buckeye, California
National Champion
J. Reimer and W. Mark, 2000 - Swanton Pacific Ranch
Buckthorn, California
National Champion
E.Lagel, 1976 - Sunol Regional Park
Buckthorn, Hollyleaf
National Champion
F.T. Callahan and A. Cowley, 1999 - Greenfield
Bunya-Bunya
A. Cowley, 1997 - Camarillo
Buttonbush
National Champion
F.T. Callahan, 1991 - Buttonwillow
Cactus
A. Cowley, 1999 - San Juan Capistrano
Cactus, Saguaro
A. Cowley, 2001 - Ducor
Cajeput Tree
A. Cowley, 2001 - Dana Point
Camphor-Tree
Co-Champion
B. Barrett, 1997 - Sacramento Capital Park
Camphor-Tree
Co-Champion
Carob
B. Williams and A. Cowley, 1998 - Pasadena
Carob
Co-Champion
Carrot Wood
Art P. Cowley, 2006 - Orange
Catalapa, Western
A. Cowley, 2002 - Fowler
Ceanothus, Blue Blossom
National Champion
A. Cowley, 2004 - Mission San Luis Rey
Cedar, Atlas
Cedar, Deodar
A. Cowley, 1998 - Sacramento Capital Park
Cedar, Incense
National Champion
Cedar, Japanese Red
Cedar, Japanese Red
Brandon Williams, 2004 - Santa Ana
Cedar of Lebanon
A. Cowley, 2002 - Independence
Cedar, Port Orford
Cherry, Carolina
A. Cowley, 2001 - Orange
Cherry, Catalina
National Champion
A. Propst and B. Hartley, 1992 - Santa Catalina Island
Cherry, English
A. Cowley, 2001 - Stanford University
Cherry, Flowering
A. Cowley, 1998 - Sacramento Capital Park #189
Cherry, Hollyleaf
National Champion
F.T. Callahan, 1997 - Lockwood
Chestnut, American
A. Cowley, 1998 - Chico
Chestnut, Spanish
Chinaberry Tree
A. Cowley, 2004 - Fillmore
Chinkapin, Giant
National Champion
Cockspur Thron
Coral, Kaffriboom
Co-Champion
Coral, Kaffriboom
Co-Champion
Coral Tree
A. Cowley, 1998 - Newport Beach
Coral Tree, Cockspur
A. Cowley, 1997 - Sacramento Capital Park #81
Coral, Natal
Cottonwood, Black
C. Blair, 2002 - Lompoc
Cottonwood, Fremont
A. Cowley, 2002 - Riverdale
Crabapple (Japanese)
A. Cowley, 2002 - Fowler
Crape Myrtle
L. Barton, 2002 - Bakersfield
cypress, arizona
Nelson Kirk, 2006 - Fremont
Cypress, Baker
Cypress, Cuyamaca
National Champion
Cypress, Gowen
National Champion
A. Washburn, 1996 - Pt. Lobos State Park
Cypress, Guadalupe
A. Cowley, 1997 - Fresno
Cypress, Italian
A. Remyn, 1994 - Orange
Cypress, MacNab
Cypress, MacNab
Cypress, Mendocino
National Champion
F.T. Callahan, 1991 - Mendocino County
Cypress, Monterey
National Champion
R. Huntington and Fiesta Garden School, 1994 - Pescadero
Cypress, Montezuma
A. Cowley, 1998 - Sacramento Capital Park #138
Cypress, Piute
National Champion
F.T. Callahan, 1976 - Sequoia National Forest
Cypress, Piute
National Champion
F.T. Callahan, 1976 - Sequoia National Forest
Cypress, Sargent
National Champion
R. Nichols, 2001 - Richmond
Cypress, Tecate
National Champion
A. Cowley, 2001 - Decanso
Cypress, Bald
National Champion
A. Cowley, 2002 - Capital Parkway #173
Cypress, Bald
Dogwood, Blackfruit
National Champion
Dogwood, Pacific
A. Cowley, 1999 - C. Hot Springs
Douglas-Fir
Douglas-Fir, Bigcone
National Champion
W. Maxwell, 1973 - Angeles National Forest
Dracaena, Australis(Green)
A. Cowley, 1997 - Presidio - San Francisco
Dragon Tree
National Champion
A. Cowley, 2004 - Torido
Elderberry, Blue
Elephant Tree
National Champion
Elm, Chinese
A. Cowley, 2002 - Sacramento Capital Park #190
Elm, English
A. Cowley, 1999 - Sacramento Capital Park
Elm, American
Elm, Siberian
Eucalyptus, Bluegum
A. Cowley and Clint Eastwood, 1998 - Mission Ranch, Carmel
Eucalyptus, Bluegum
National Champion
Eucalyptus, Bushy Yate
Eucalyptus, Desert Gum
A. Cowley, 1997 - Fresno
Eucalyptus, Karri Gum
National Champion
Eucalyptus, Longbeak
S. Finch and H. Kimble, 1989 - Buttonwillow
Eucalyptus, Manna Gum
R & S. Adams, 1994 - Yountville
Eucalyptus, Red Gum
Co-Champion
A. Cowley, 2006 - Fresno
Eucalyptus, Red Gum
Co-Champion
Arthur Cowley, 2006 - Reedley
Eucalyptus, Red Ironbark
A. Cowley, 2001 - Orange
Eucalyptus, Rose Gum
Eucalyptus, Scarlet Gum
A. Cowley, 1997 - San Francisco
Eucalyptus, Silver Gum
Eucalyptus, Slaty-Gum
Eucalyptus, Sugar Gum
Eucalyptus, Swamp Mahagony
A. Cowley, 1999 - Claremont
Eucalyptus, Honey Scented
Eucalyptus, Mountain Gum
Fig, Edible
A. Cowley, 1996 - Porterville
Fig, Fiddleleaf
Art P. Cowley, 2006 - Orange
Fig, Moreton Bay
C. S. Palmer, 1997 - Santa Barbara
Fig, Moreton Bay
A. Cowley, 1996 - Balboa Park - San Diego
Fir, California Red
National Champion
Fir, Grand
National Champion
Fir, Greek
Fir, White
National Champion
Floss Silk, Tree White
Floss Silk Tree
A. Cowley, 1997 - Fallbrook
Floss Silk Tree, White
A. Cowley, 1998 - Pasadena
Flower-Fence
National Champion
Ginkgo
A. Cowley, 1998 - Sacramento Capital Park #223
GoldenRain Tree
A. Cowley, 2001 - Santa Ana
Grapefruit Tree
Art P. Cowley, 2006 - Porterville
Hackberry, European
A. Cowley, 1999 - Sacramento Capital Park #159
Hackberry, Western
A. Cowley, 1996 - Mooney Park
Hemlock, Mountain
National Champion
M.D. Vaden, 2011 - Northern California
Hickory, Shagbark
Holly, American
A. Cowley, 1999 - Carmel
Hoop Pine
National Champion
Hoptree, California
National Champion
F.T. Callahan, 1991 - Lake County
Hornbeam, European
A. Cowley, 2004 - San Francisco
Jacaranda
Co-Champion
A. Cowley, 1998 - Santa Ana
Jacaranda
Co-Champion
Camille Newton, 2004 - San Juan Cap.
Jujube, Chinese
A. Cowley, 2002 - Huntington
Juniper, California
National Champion
Juniper, Canary Island
Juniper, Utah
National Champion
Juniper, Western
National Champion
Juniper, Hollywood
Art P. Cowley, 2004 - Orange
Linden
G. Brittner, 1994 - Sacramento
Locust, Black
A. Cowley, 1997 - Tulare
Locust, Black
A. Cowley, 2003 - Pleasanton
Locust, Honey
A. Cowley, 2006 - Visalia
Loquat
Loquat, Japanese
Nelson Kirk, 2006 - Fremont
Loquat, Bronze
Ernie Meri & Grand daughter, 2004 - Fremont
Lyon, Tree
Madrone, Pacific
Magnolia, Southern
A & D Pinotti, 1993 - Sutter Creek
Mahogony, Curly-leaf Mountain
National Champion
Manzanita, Bigberry
National Champion
Co-Champion
Manzanita, Bigberry
National Champion
Co-Champion
Manzanita, Common
National Champion
Jim Brobeck, 2005 - Chico
Manzanita, Whiteleaf
National Champion
A. Cowley and F. T. Callahan, 2001 - Tulare
Maple, BigLeaf
A. Cowley, 1998 - Los Altos Hills
Maple, Black
Nelson Kirk, 2006 - Fremont
Maple, Japanese
Maple, Silver
A. Cowley, 2002 - Garden Grove
May Tens Tree
Nelson Kirk, 2006 - Fremont
A. Cowley, 2006 - Tulare
Mesquite, Honey
Co-Champion
Mulberry, Paper
A. L. Jacobson, 1993 - Riverside
Mulberry, Red
A. Cowley, 2001 - Fresno
Mulberry, White
A. Cowley, 1996 - Mooney Park
Myrtle, common
New Zealand Christmas Tree
Mary Takabka, 2004 - San Francisco
Nutmeg, California
National Champion
F.T. Callahan, 1993 - Swanton Pacific Ranch
Oak, Blue
National Champion
A. Cowley and D. Busby, 2001 - 3-Rivers
Oak, Burr
Oak, California Black
National Champion
Carl Casey and Bob Huntington, 2007 - Groveland, Hwy 120
Oak, Canyon Live
A. Cowley and M. Cobb, 2001 - Springville
Oak, Canyon Live
National Champion
Wildlands Conservancy, 2012 - Angeles National Forest
Oak, Coast Live
National Champion
C. Powell, 1999 - Julian
Oak, Coast Live
Clint Powell, 2006 - Paso Robles
Oak, Cork
R. Adams, 1994 - Napa
Oak, Dunn
National Champion
A. Cowley, 1999 - Lockwood
Oak, Engelmann
National Champion
W. Metcalf, 1968 - Pasadena
Oak, Engelmann
Oak, English
Oak, Holly
National Champion
Oak, Interior Live
National Champion
Oak, Munzii Live
Oak, Oracle
L. Otter, 1996 - Springville
Oak, Pin
Oak, Scarlet
A. Cowley, 1998 - Bakersfield
Oak, Valley
National Champion
W.L. Jepsen, 1984 - South of Covelo
Oak, Holly
Art P. Cowley, 2004 - Orange
Oleander
National Champion
A. Cowley, 1997 - Exeter
Olive
A. Cowley, 1999 - Sacramento Capital Park #338
Ombu
Glen Williams, 2004 - Fullerton
Orange, Navel
Co-Champion
Orange, Valencia
National Champion
A. Cowley, 2002 - Capital Parkway #120
Osage Orange
N. Brown, 1997 - Springville
Palm, California Fan
National Champion
Co-Champion
A. Cowley, 1997 - Capital Park
Palm, Canary Island
National Champion
Arthur Cowley, 2004 - San Francisco
Palm, Livistona
Palm, Mexican Fan
Palm, Monkeypod Coconut
A. Cowley, 1998 - Santa Clara University
Palm, Monkeypod Coconut
Palm, Sago
A. Cowley, 2001 - Visalia
Palm, Senegal Date
Nelson Kirk, 2004 - Fremont
Paloverde, Blue
National Champion
Parasol Tree, Chinese
National Champion
A. Cowley, 1999 - San Luis Rey
Paulownia, Royal
A. Cowley, 2001 - Farmersville
Pear
Co-Champion
A. Cowley, 1999 - Tulare
Pear
Co-Champion
A. Cowley, 2002 - Orange
Pear, Bradford
Pecan
A. Cowley, 2002 - Saratoga
Pepper, Brazilian
A. Cowley, 2001 - Balboa Park
Pepper Tree, Peruvian
National Champion
R. Wheeler, 1969 - San Juan Capistrano
Photinia, Chinese
A. Cowley, 1999 - Porterville
Pine, Aleppo
Pine, Bishop
National Champion
A. Cowley, 2004 - Oakland
Pine, Bolanders
National Champion
Pine, Canary Island
Pine, Coulter
National Champion
A. Cowley and C. Powell, 2001 - Julian
Pine, Digger
National Champion
A. Cowley, 1999 - Visalia
Pine, Fern
Art P. Cowley, 2006 - Orange
Pine, Foxtail
National Champion
Pine, Intermountain Bristlecone
National Champion
A.E. Noren, 1999 - Inyo National Forest
Pine, Italian Stone
National Champion
Pine, Jeffrey
Art P. Cowley, 2004 - Frazier Park
Pine, Jeffrey
National Champion
Pine, Jeffrey (deceased)
Pine, Knobcone
National Champion
Pine, Lodgepole
National Champion
Co-Champion
Pine, Lodgepole
National Champion
Co-Champion
Pine, Lodgepole
National Champion
Co-Champion
Pine, Monterey
National Champion
A. Cowley and J. Cowley, 1998 - Carmel
Pine, Norfolk Island
A. Cowley, 1997 - Camarillo
Pine, Norfolk Island
Pine, Parry Pinyon
National Champion
Don Errington & crew, 2011 - El Dorado National Forest
Tim Lovitt, 2007 - Shasta Trinity National Forest
Pine, Singleleaf Pinyon
National Champion
Pine, Sugar
National Champion
H. McLean and G. Whitson, 1993 - Dorrington
Pine, Torrey
National Champion
E. Scanlon, 1993 - Carpinteria
Pine, Washoe
National Champion
Pine, Western White
National Champion
pine, whitebark
Pine (deceased), Sugar
Pistache, Chinese
A. Cowley, 1998 - Sacramento Capital Park #113
Pistachio, Nut
A. Cowley, 1996 - Bakersfield
Pittosporum, Orange
National Champion
Plane Tree, London
Owner and Wife, 2004 - San Leandro
Poplar, Lombardy
Poplar, Lombardy
Poplar, White
Nelson Kirk, 2006 - Fremont
Primrose, Tree
Privet, Glossy
National Champion
Barrette and Stanley, 1991 - Sacramento Capital Park #306
Queensland, Kauri
Red Gum, Sydney
Nelson Kirk, 2006 - Fremont
Redbud, California
National Champion
E. Lagel, 1980 - Santa Rosa
Redshank
National Champion
F.T. Callahan, 1977 - Warner Springs
R. Hildebrant, M. Taylor, S. Sillett, 1998 - Jedediah Smith State Park
Redwood, Coast
Co-Champion
Redwood, Coast
Co-Champion
Redwood, Dawn
Rhododendron, Pacific
National Champion
Sapote, White
Sausage Tree
L. Romero/A. Gibson, 1996 - U.C.L.A.
Schefflera,, Hawaiian Elf
A. Cowley, 2004 - Coronado Island
Isabelle F. Story, 2000 - Sequoia National Park
Sequoia, Giant
Co-Champion
Sequoia, Giant
David Lloyd and A. Cowley, 2004 - Sequoia N.F.
Silk Oak
A. Cowley, 2002 - Sultans
Silk Tree
A. Cowley, 1996 - Bakersfield
Smoke Tree
National Champion
F.T. Callahan, 1976 - Anza Borrego State Park
Soapberry, Southern
Spruce, Brewer
Strawberry Tree
A. Cowley, 1998 - Santa Ana
Sugar Bush
L. Romero, 2001 - Anza Borrego State Park
Sweet Gum
G. Brittner, 1994 - Sacramento
Sweet Gum, Oriental
John Rehnberg, 2006 - Fremont
Sycamore, California
A. Cowley, 1998 - San Juan Capistrano
Sycamore, California
Sycamore, California
National Champion
Ken Knight, Bill Spiewak and Randy Baldwin, 2012 - Goleta, CA
Tamarisk
A. Cowley, 1999 - Coalinga
Tanoak
V. Lane Etal, 1991 - Six Rivers National Forest
Tea Tree, Australian
Tesota, Desert Ironwood
National Champion
Toyon
National Champion
Co-Champion
Toyon
National Champion
Tree of Heaven
A. Cowley, 2002 - Sanger
Tulip Tree, (Yellow)
A. Cowley, 1997 - Sacramento Capital Park #20
Viburnum, Japanese
Walnut, Black Eastern
Walnut, California Black
National Champion
Walnut, English
Walnut, Paradox
A. Cowley, 2001 - Farmersville
Walnut, S. California
National Champion
G.R. Foster, 1973 - Chico
Willow, Arroyo
National Champion
Willow, Australian
National Champion
Randy Baldwin, 2012 - Goleta
Willow, Black
National Champion
Willow, Bonpland
National Champion
Willow, Desert
A. Cowley, 2001 - Porterville
H. Cooley, 2006 - Hayward
A. Cowley, 1999 - Taft
Willow, Weeping
Co-Champion
Willow, Weeping
Co-Champion
Xylosma, Shiny
A. Cowley, 1996 - Porterville
Yew, English
Yew, Japanese
Art P. Cowley, 2004 - Orange
Yew, Pacific
Yucca, Mojave
National Champion
Yucca, Mound Lily
National Champion
A. Cowley, 1998 - Huntington Beach
Yucca, St. Peter's Palm
National Champion
A. Cowley, 1999 - Stanford University
Zelkova
Questions regarding these listings can be directed to Michael Taylor at bigtreescalifornia@yahoo.com
Trees are listed in alphabetical order by common name.
A - B - C - D - E - F - G - H - I - J - K - L - M - N - O - P - Q - R - S - T - U - V - W - X - Y - Z
Acacia, Bailey
Acacia baileyana
46 feet tall, 65 foot canopy
115 inches in girth
178 Points
115 inches in girth
178 Points
A. Cowley, 1998 - Gilroy
Acacia, Black
Acacia melanoxylon
62 feet tall, 77 foot canopy
115 inches in girth
197 Points
115 inches in girth
197 Points
A. Cowley, 1999 - Hayward
Acacia, Black
Acacia melanoxylon
National Champion
56 feet tall, 69 foot canopy
150 inches in girth
223 Points
150 inches in girth
223 Points
Bruce Larson, 2004 - Fremont
Acacia, Black Wattle
Acacia decurrens var. mollis
60 feet tall, 37 foot canopy
103 inches in girth
172 Points
103 inches in girth
172 Points
A. Cowley, 1999 - Carmel
Acacia, Winter Thorn
Acacia albida
54 feet tall, 60 foot canopy
105 inches in girth
174 Points
105 inches in girth
174 Points
D. Simpson, 2004 - San Diego Zoo
Alder, Italian
Acer cordata
52 feet tall, 44 foot canopy
118 inches in girth
181 Points
118 inches in girth
181 Points
Jacom Halliday, 2006 - Fremont
Alder, Red
Alnus oregona (A. rubra)
National Champion
87 feet tall, 100 foot canopy
228 inches in girth
400 Points
228 inches in girth
400 Points
Eric Ettlinger, 2006 - Golden Gate National Recreation Area
Alder, White
Alnus rhombifolia
75 feet tall, 36 foot canopy
111 inches in girth
195 Points
111 inches in girth
195 Points
A. Cowley, 2004 - Springville (SCICON)
Almond
Prunus amygdalus
34 feet tall, 28 foot canopy
100 inches in girth
141 Points
100 inches in girth
141 Points
L. Barton and A. Cowley, 1998 - Bakersfield
Aloe
Aloe barbera
22 feet tall, 22 foot canopy
96 inches in girth
124 Points
96 inches in girth
124 Points
Brandon Williams, 2004 - U.C. Irvine
Apple Tree
Malus
20 feet tall, 23 foot canopy
41 inches in girth
67 Points
41 inches in girth
67 Points
Nelson Kirk, 2004 - Fremont
Ash, Blue
Fraxinus quadrangulata
79 feet tall, 70 foot canopy
222 inches in girth
319 Points
222 inches in girth
319 Points
A. Cowley, 1999 - Santa Ana
Ash, Oregon
Fraxinus latifolia
76 feet tall, 46 foot canopy
120 inches in girth
208 Points
120 inches in girth
208 Points
A. Cowley, 2003 - Scicon
Ash, Shamel
Fraxinus uhdei
102 feet tall, 96 foot canopy
219 inches in girth
345 Points
219 inches in girth
345 Points
A. Cowley, 2002 - Los Angeles
Ash, Two-petal
Fraxinus dipetala
National Champion
32 feet tall, 34 foot canopy
39 inches in girth
80 Points
39 inches in girth
80 Points
F.T. Callahan, 1986 - Lake County
Ash, Velvet
Fraxinus velutina
72 feet tall, 86 foot canopy
179 inches in girth
273 Points
179 inches in girth
273 Points
C. Gilstrap, 1991 - Modesto
Ash, Arizona
Fraxinus velutina
42 feet tall, 49 foot canopy
127 inches in girth
181 Points
127 inches in girth
181 Points
A. Cowley, 2004 - Fresno
Aspen, Quaking
Populus tremuloides
National Champion
Co-Champion
67 feet tall, 35 foot canopy
169 inches in girth
245 Points
169 inches in girth
245 Points
Lonnie Allsion, 2007 - Stanislaus National Forest
Aspen, Quaking
Populus tremuloides
National Champion
Co-Champion
75 feet tall, 36 foot canopy
168 inches in girth
241 Points
168 inches in girth
241 Points
Karen Egglestin, 2007 - Stanislaus National Forest
Avocado
Persea americana
National Champion
72 feet tall, 59 foot canopy
185 inches in girth
272 Points
185 inches in girth
272 Points
A. Cowley and C. Newton, 1999 - San Juan Capistrano
Bay, California
Umbellularia californica
National Champion
108 feet tall, 119 foot canopy
536 inches in girth
674 Points
536 inches in girth
674 Points
A. Cowley, 2004 - Mendocino County
Bayberry, Pacific
Myrica californica
38 feet tall, 35 foot canopy
46 inches in girth
93 Points
46 inches in girth
93 Points
A. Cowley, 2002 - Patrick's Pt.
Beech, American
Fagus grandifolia
54 feet tall, 51 foot canopy
87 inches in girth
159 Points
87 inches in girth
159 Points
A. Cowley, 2001 - Palo Alto
Beech, Copper
Fagus sylvatica 'purpurea' atropunicea
72 feet tall, 59 foot canopy
119 inches in girth
206 Points
119 inches in girth
206 Points
A. Alexander, 2001 - Menlo Park
Beefwood
Casuarina stricta
Co-Champion
70 feet tall, 55 foot canopy
149 inches in girth
233 Points
149 inches in girth
233 Points
Nelson Kirk, 2006 - Fremont
Beefwood, Horse-tail
Casuarina equisetifolia
67 feet tall, 40 foot canopy
103 inches in girth
180 Points
103 inches in girth
180 Points
A. Cowley, 2001 - Stanford University
Belloto, Chilean
Cryptocarya rubra
58 feet tall, 67 foot canopy
98 inches in girth
173 Points
98 inches in girth
173 Points
A. Cowley, 2004 - Fremont
Birch, European White
Betula pendula
51 feet tall, 56 foot canopy
116 inches in girth
181 Points
116 inches in girth
181 Points
A. Cowley, 1998 - Santa Clara University
Bladdernut, Sierra
Staphylea bolanderi
National Champion
28 feet tall, 12 foot canopy
14 inches in girth
45 Points
14 inches in girth
45 Points
F.T. Callahan, 1986 - Fresno County
Bottle Tree, Black kurrajong
Brachychiton populneus
41 feet tall, 43 foot canopy
89 inches in girth
141 Points
89 inches in girth
141 Points
A. Cowley, 2002 - Orange
Bottle Tree, Victorian
Brachychiton acerifolius
33 feet tall, 40 foot canopy
90 inches in girth
133 Points
90 inches in girth
133 Points
A. Cowley, 2002 - San Juan Capistrano
Bottlebrush
Callistemon viminalis
34 feet tall, 45 foot canopy
90 inches in girth
135 Points
90 inches in girth
135 Points
A. Cowley, 1998 - San Luis Rey
Bottlebrush
Callistemon viminalis
38 feet tall, 37 foot canopy
106 inches in girth
153 Points
106 inches in girth
153 Points
A. Cowley, 2004 - Fremont
Bougainvillia
Bougainvillia spectabilis
24 feet tall, 19 foot canopy
52 inches in girth
81 Points
52 inches in girth
81 Points
Arthur Cowley, 2004 - Dana Point
Box Elder
Acer negundo
National Champion
36 feet tall, 63 foot canopy
101 inches in girth
153 Points
101 inches in girth
153 Points
A. Cowley, 2004 - Union City
Brisbane Box
Lophostemon confertus
58 feet tall, 50 foot canopy
85 inches in girth
154 Points
85 inches in girth
154 Points
A. Cowley, 2004 - Orange
Brush Cherry, Australian
Syzygium paniculatum
50 feet tall, 42 foot canopy
91 inches in girth
152 Points
91 inches in girth
152 Points
A. Cowley, 2001 - Orange
Buckeye, California
Aesculus californica
National Champion
46 feet tall, 60 foot canopy
176 inches in girth
237 Points
176 inches in girth
237 Points
J. Reimer and W. Mark, 2000 - Swanton Pacific Ranch
Buckthorn, California
Rhamnus californica
National Champion
30 feet tall, 25 foot canopy
24 inches in girth
60 Points
24 inches in girth
60 Points
E.Lagel, 1976 - Sunol Regional Park
Buckthorn, Hollyleaf
Rhamnus crocea ilicifolia
National Champion
26 feet tall, 44 foot canopy
26 inches in girth
63 Points
26 inches in girth
63 Points
F.T. Callahan and A. Cowley, 1999 - Greenfield
Bunya-Bunya
Araucaria bidwillii
112 feet tall, 59 foot canopy
214 inches in girth
341 Points
214 inches in girth
341 Points
A. Cowley, 1997 - Camarillo
Buttonbush
Cephalanthus occidentalis
National Champion
26 feet tall, 38 foot canopy
60 inches in girth
95 Points
60 inches in girth
95 Points
F.T. Callahan, 1991 - Buttonwillow
Cactus
Cereus peruviana
25 feet tall, 20 foot canopy
50 inches in girth
80 Points
50 inches in girth
80 Points
A. Cowley, 1999 - San Juan Capistrano
Cactus, Saguaro
Carnegiea gigantea
22 feet tall, 7 foot canopy
47 inches in girth
71 Points
47 inches in girth
71 Points
A. Cowley, 2001 - Ducor
Cajeput Tree
Melaleuca quinquenervia
41 feet tall, 36 foot canopy
121 inches in girth
171 Points
121 inches in girth
171 Points
A. Cowley, 2001 - Dana Point
Camphor-Tree
Cinnamomum camphora
Co-Champion
88 feet tall, 95 foot canopy
249 inches in girth
361 Points
249 inches in girth
361 Points
B. Barrett, 1997 - Sacramento Capital Park
Camphor-Tree
Cinnamomum camphora
Co-Champion
69 feet tall, 111 foot canopy
268 inches in girth
365 Points
268 inches in girth
365 Points
D. Pollard, 2001 - Turlock
Carob
Ceratonia siliqua
59 feet tall, 67 foot canopy
144 inches in girth
220 Points
144 inches in girth
220 Points
B. Williams and A. Cowley, 1998 - Pasadena
Carob
Ceratonia siliqua
Co-Champion
58 feet tall, 60 foot canopy
146 inches in girth
219 Points
146 inches in girth
219 Points
Art P. Cowley, 2006 - Bakersfield
Carrot Wood
Cupaniopsis anacardioides
28 feet tall, 31 foot canopy
31 inches in girth
67 Points
31 inches in girth
67 Points
Art P. Cowley, 2006 - Orange
Catalapa, Western
Catalpa speciosa
57 feet tall, 50 foot canopy
172 inches in girth
241 Points
172 inches in girth
241 Points
A. Cowley, 2002 - Fowler
Ceanothus, Blue Blossom
Ceanothus thyrsiflorus
National Champion
20 feet tall, 24 foot canopy
19 inches in girth
45 Points
19 inches in girth
45 Points
A. Cowley, 2004 - Mission San Luis Rey
Cedar, Atlas
Cedrus atlantica
80 feet tall, 65 foot canopy
184 inches in girth
280 Points
184 inches in girth
280 Points
A. Cowley, 1999 - Cap. Pk. #340
Cedar, Deodar
Cedrus deodara
98 feet tall, 85 foot canopy
228 inches in girth
347 Points
228 inches in girth
347 Points
A. Cowley, 1998 - Sacramento Capital Park
Cedar, Incense
Calocedrus decurrens
National Champion
152 feet tall, 49 foot canopy
462 inches in girth
626 Points
462 inches in girth
626 Points
J. Herr, D. McHardy and D. Wright, 1969 - Marble Mountain Wilderness
Cedar, Japanese Red
Cryptomeria japonica
64 feet tall, 32 foot canopy
108 inches in girth
180 Points
108 inches in girth
180 Points
A. Cowley, 2004 - Hayward
Cedar, Japanese Red
Cryptomeria Japonica
55 feet tall, 44 foot canopy
120 inches in girth
186 Points
120 inches in girth
186 Points
Brandon Williams, 2004 - Santa Ana
Cedar of Lebanon
Cedrus libani
72 feet tall, 84 foot canopy
219 inches in girth
312 Points
219 inches in girth
312 Points
A. Cowley, 2002 - Independence
Cedar, Port Orford
Camaecyparis lawsoniana
76 feet tall, 24 foot canopy
64 inches in girth
146 Points
64 inches in girth
146 Points
A. Cowley, 2004 - Fremont
Cherry, Carolina
Prunus caroliniana
38 feet tall, 40 foot canopy
102 inches in girth
150 Points
102 inches in girth
150 Points
A. Cowley, 2001 - Orange
Cherry, Catalina
Prunus lyonii
National Champion
43 feet tall, 45 foot canopy
115 inches in girth
169 Points
115 inches in girth
169 Points
A. Propst and B. Hartley, 1992 - Santa Catalina Island
Cherry, English
Prunus laurocerasus
23 feet tall, 31 foot canopy
52 inches in girth
83 Points
52 inches in girth
83 Points
A. Cowley, 2001 - Stanford University
Cherry, Flowering
Prunus blireiana
29 feet tall, 40 foot canopy
40 inches in girth
79 Points
40 inches in girth
79 Points
A. Cowley, 1998 - Sacramento Capital Park #189
Cherry, Hollyleaf
Prunus illicifolia
National Champion
50 feet tall, 56 foot canopy
54 inches in girth
118 Points
54 inches in girth
118 Points
F.T. Callahan, 1997 - Lockwood
Chestnut, American
Castanea dentata
69 feet tall, 55 foot canopy
128 inches in girth
211 Points
128 inches in girth
211 Points
A. Cowley, 1998 - Chico
Chestnut, Spanish
Castanea sativa
48 feet tall, 52 foot canopy
153 inches in girth
214 Points
153 inches in girth
214 Points
A. Cowley, - Fremont
Chinaberry Tree
Melia azedarach
64 feet tall, 58 foot canopy
170 inches in girth
249 Points
170 inches in girth
249 Points
A. Cowley, 2004 - Fillmore
Chinkapin, Giant
Castanopsis chrysophylla
National Champion
122 feet tall, 37 foot canopy
153 inches in girth
284 Points
153 inches in girth
284 Points
P. Violett, 1996 - Mendocino County
Cockspur Thron
Crataegus crus-galli
17 feet tall, 20 foot canopy
39 inches in girth
61 Points
39 inches in girth
61 Points
A.Cowley, 2004 - Tulare
Coral, Kaffriboom
Erythrina caffra
Co-Champion
39 feet tall, 57 foot canopy
185 inches in girth
238 Points
185 inches in girth
238 Points
A. Cowley, 2004 - Balboa Pk. San Diego
Coral, Kaffriboom
Erythrina caffra
Co-Champion
60 feet tall, 66 foot canopy
162 inches in girth
239 Points
162 inches in girth
239 Points
A. Cowley, 2004 - L.A. Mission
Coral Tree
Erythrina americana
42 feet tall, 58 foot canopy
169 inches in girth
226 Points
169 inches in girth
226 Points
A. Cowley, 1998 - Newport Beach
Coral Tree, Cockspur
Erythrina crista-galli
34 feet tall, 99 foot canopy
136 inches in girth
195 Points
136 inches in girth
195 Points
A. Cowley, 1997 - Sacramento Capital Park #81
Coral, Natal
Erythrina humeana
27 feet tall, 53 foot canopy
74 inches in girth
114 Points
74 inches in girth
114 Points
A. Cowley, 2004 - San Clemente
Cottonwood, Black
Populus triocarpa
74 feet tall, 50 foot canopy
74 inches in girth
161 Points
74 inches in girth
161 Points
C. Blair, 2002 - Lompoc
Cottonwood, Fremont
Populus fremontii
84 feet tall, 67 foot canopy
360 inches in girth
461 Points
360 inches in girth
461 Points
A. Cowley, 2002 - Riverdale
Crabapple (Japanese)
Malus floribunda
38 feet tall, 45 foot canopy
36 inches in girth
85 Points
36 inches in girth
85 Points
A. Cowley, 2002 - Fowler
Crape Myrtle
Lagerstroemia indica
52 feet tall, 42 foot canopy
65 inches in girth
128 Points
65 inches in girth
128 Points
L. Barton, 2002 - Bakersfield
cypress, arizona
Cupressus arizonica
60 feet tall, 43 foot canopy
85 inches in girth
156 Points
85 inches in girth
156 Points
Nelson Kirk, 2006 - Fremont
Cypress, Baker
Cupressus bakeri
51 feet tall, 40 foot canopy
120 inches in girth
187 Points
120 inches in girth
187 Points
Art P. Cowley, 2006 - Santa Ana
Cypress, Cuyamaca
Cupressus stephensonii
National Champion
37 feet tall, 28 foot canopy
70 inches in girth
114 Points
70 inches in girth
114 Points
F.T. Callahan, 1976 - Cleveland National Forest
Cypress, Gowen
Cupressus goveniana
National Champion
40 feet tall, 52 foot canopy
66 inches in girth
119 Points
66 inches in girth
119 Points
A. Washburn, 1996 - Pt. Lobos State Park
Cypress, Guadalupe
Cupressus guadalupensis
70 feet tall, 48 foot canopy
206 inches in girth
288 Points
206 inches in girth
288 Points
A. Cowley, 1997 - Fresno
Cypress, Italian
Cupressus sempervirens
90 feet tall, 38 foot canopy
154 inches in girth
254 Points
154 inches in girth
254 Points
A. Remyn, 1994 - Orange
Cypress, MacNab
Cupressus macnabiana
55 feet tall, 45 foot canopy
155 inches in girth
221 Points
155 inches in girth
221 Points
F.T. Callahan, 1981 - Amador County
Cypress, MacNab
Cupressus macnabiana
60 feet tall, 60 foot canopy
159 inches in girth
134 Points
159 inches in girth
134 Points
Frank Callahan, 2012 - Shasta County
Cypress, Mendocino
Cupressus pygmaea
National Champion
150 feet tall, 49 foot canopy
238 inches in girth
400 Points
238 inches in girth
400 Points
F.T. Callahan, 1991 - Mendocino County
Cypress, Monterey
Cupressus macrocarpa
National Champion
102 feet tall, 111 foot canopy
553 inches in girth
683 Points
553 inches in girth
683 Points
R. Huntington and Fiesta Garden School, 1994 - Pescadero
Cypress, Montezuma
Taxodium mucronatum
96 feet tall, 71 foot canopy
190 inches in girth
304 Points
190 inches in girth
304 Points
A. Cowley, 1998 - Sacramento Capital Park #138
Cypress, Piute
Cupressus nevadensis
National Champion
45 feet tall, 30 foot canopy
115 inches in girth
168 Points
115 inches in girth
168 Points
F.T. Callahan, 1976 - Sequoia National Forest
Cypress, Piute
Cupressus nevadensis
National Champion
38 feet tall, 40 foot canopy
119 inches in girth
167 Points
119 inches in girth
167 Points
F.T. Callahan, 1976 - Sequoia National Forest
Cypress, Sargent
Cupressus sargentii
National Champion
58 feet tall, 63 foot canopy
244 inches in girth
318 Points
244 inches in girth
318 Points
R. Nichols, 2001 - Richmond
Cypress, Tecate
Cupressus forbesii
National Champion
71 feet tall, 48 foot canopy
93 inches in girth
171 Points
93 inches in girth
171 Points
A. Cowley, 2001 - Decanso
Cypress, Bald
Taxodium distichum
National Champion
102 feet tall, 40 foot canopy
133 inches in girth
245 Points
133 inches in girth
245 Points
A. Cowley, 2002 - Capital Parkway #173
Cypress, Bald
Taxodium distichum
81 feet tall, 44 foot canopy
150 inches in girth
242 Points
150 inches in girth
242 Points
A. Cowley, 2004 - Fremont
Dogwood, Blackfruit
Cornus sessilis
National Champion
18 feet tall, 16 foot canopy
20 inches in girth
42 Points
20 inches in girth
42 Points
F.T. Callahan, 1986 - Shasta County
Dogwood, Pacific
Cornus nuttallii
61 feet tall, 28 foot canopy
27 inches in girth
95 Points
27 inches in girth
95 Points
A. Cowley, 1999 - C. Hot Springs
Douglas-Fir
Pseudotsuga menziessi
301 feet tall, 60 foot canopy
512 inches in girth
829 Points
512 inches in girth
829 Points
M. Taylor, S. Sillett, 1999 - Jedediah Smith State Park
Douglas-Fir, Bigcone
Pseudotsuga macrocarpa
National Champion
165 feet tall, 94 foot canopy
269 inches in girth
458 Points
269 inches in girth
458 Points
W. Maxwell, 1973 - Angeles National Forest
Dracaena, Australis(Green)
Cordyline australis
35 feet tall, 27 foot canopy
102 inches in girth
144 Points
102 inches in girth
144 Points
A. Cowley, 1997 - Presidio - San Francisco
Dragon Tree
Dracaena draco
National Champion
30 feet tall, 32 foot canopy
214 inches in girth
252 Points
214 inches in girth
252 Points
A. Cowley, 2004 - Torido
Elderberry, Blue
Sambucus caerulea
30 feet tall, 38 foot canopy
136 inches in girth
176 Points
136 inches in girth
176 Points
A. Cowley, 2004 - Porterville
Elephant Tree
Bursera microphylla
National Champion
12 feet tall, 21 foot canopy
21 inches in girth
38 Points
21 inches in girth
38 Points
W. Bronaugh, 1999 - Anza Borego State Park
Elm, Chinese
Ulmus parvifolia
82 feet tall, 96 foot canopy
119 inches in girth
225 Points
119 inches in girth
225 Points
A. Cowley, 2002 - Sacramento Capital Park #190
Elm, English
Ulmus procera
105 feet tall, 80 foot canopy
204 inches in girth
329 Points
204 inches in girth
329 Points
A. Cowley, 1999 - Sacramento Capital Park
Elm, American
Ulmus americana
116 feet tall, 70 foot canopy
188 inches in girth
322 Points
188 inches in girth
322 Points
A. Cowley, 2002 - Capital Parkways
Elm, Siberian
Ulmus pumila
60 feet tall, 56 foot canopy
150 inches in girth
224 Points
150 inches in girth
224 Points
A. Cowley, 2004 - Newark
Eucalyptus, Bluegum
Eucalyptus globulus
135 feet tall, 143 foot canopy
465 inches in girth
636 Points
465 inches in girth
636 Points
A. Cowley and Clint Eastwood, 1998 - Mission Ranch, Carmel
Eucalyptus, Bluegum
Eucalyptus globulus
National Champion
141 feet tall, 126 foot canopy
586 inches in girth
759 Points
586 inches in girth
759 Points
R. Bush, 2001 - Petrolia
Eucalyptus, Bushy Yate
Eucalyptus lehmannii
55 feet tall, 90 foot canopy
138 inches in girth
216 Points
138 inches in girth
216 Points
A. Cowley, 2004 - San Diego
Eucalyptus, Desert Gum
Eucalyptus rudis
71 feet tall, 39 foot canopy
225 inches in girth
306 Points
225 inches in girth
306 Points
A. Cowley, 1997 - Fresno
Eucalyptus, Karri Gum
Eucalyptus diversicolor
National Champion
154 feet tall, 74 foot canopy
201 inches in girth
373 Points
201 inches in girth
373 Points
Dr. Matt Ritter, 2007 - Cal Poly, San Luis Obispo
Eucalyptus, Longbeak
Eucalyptus sp.
171 feet tall, 65 foot canopy
196 inches in girth
383 Points
196 inches in girth
383 Points
S. Finch and H. Kimble, 1989 - Buttonwillow
Eucalyptus, Manna Gum
Eucalyptus viminalis
145 feet tall, 110 foot canopy
364 inches in girth
537 Points
364 inches in girth
537 Points
R & S. Adams, 1994 - Yountville
Eucalyptus, Red Gum
Eucalyptus camaldulensis
Co-Champion
126 feet tall, 86 foot canopy
298 inches in girth
446 Points
298 inches in girth
446 Points
A. Cowley, 2006 - Fresno
Eucalyptus, Red Gum
Eucalyptus camaldulensis
Co-Champion
120 feet tall, 83 foot canopy
312 inches in girth
453 Points
312 inches in girth
453 Points
Arthur Cowley, 2006 - Reedley
Eucalyptus, Red Ironbark
Eucalyptus sideroxylon
66 feet tall, 50 foot canopy
130 inches in girth
208 Points
130 inches in girth
208 Points
A. Cowley, 2001 - Orange
Eucalyptus, Rose Gum
Eucalyptus grandis
178 feet tall, 70 foot canopy
142 inches in girth
338 Points
142 inches in girth
338 Points
A. Gibson, 1996 - U.C.L.A.
Eucalyptus, Scarlet Gum
Eucalyptus ficifolia
51 feet tall, 45 foot canopy
178 inches in girth
241 Points
178 inches in girth
241 Points
A. Cowley, 1997 - San Francisco
Eucalyptus, Silver Gum
Eucalyptus cordata
66 feet tall, 59 foot canopy
110 inches in girth
191 Points
110 inches in girth
191 Points
A. Cowley, 2004 - Orange
Eucalyptus, Slaty-Gum
Eucalyptus punctata
112 feet tall, 81 foot canopy
287 inches in girth
419 Points
287 inches in girth
419 Points
Camille Newton, 2006 - Bakersfield
Eucalyptus, Sugar Gum
Eucalyptus cladocalyx
88 feet tall, 59 foot canopy
246 inches in girth
349 Points
246 inches in girth
349 Points
A. Cowley, 2001 - Carlsbad
Eucalyptus, Swamp Mahagony
Eucalyptus robusta
116 feet tall, 78 foot canopy
177 inches in girth
313 Points
177 inches in girth
313 Points
A. Cowley, 1999 - Claremont
Eucalyptus, Honey Scented
Eucalyptus melliodora
102 feet tall, 76 foot canopy
234 inches in girth
355 Points
234 inches in girth
355 Points
A. Cowley, 2004 - Hemet
Eucalyptus, Mountain Gum
Eucalyptus dalrympleana ssp.dalrympleana
72 feet tall, 60 foot canopy
157 inches in girth
244 Points
157 inches in girth
244 Points
A. Cowley, 2004 - Dana Point
Fig, Edible
Ficus carica
24 feet tall, 44 foot canopy
150 inches in girth
200 Points
150 inches in girth
200 Points
A. Cowley, 1996 - Porterville
Fig, Fiddleleaf
Ficus lyrata
32 feet tall, 43 foot canopy
61 inches in girth
104 Points
61 inches in girth
104 Points
Art P. Cowley, 2006 - Orange
Fig, Moreton Bay
Ficus macrophylla
76 feet tall, 171 foot canopy
507 inches in girth
626 Points
507 inches in girth
626 Points
C. S. Palmer, 1997 - Santa Barbara
Fig, Moreton Bay
Ficus macrophylla
78 feet tall, 123 foot canopy
400 inches in girth
509 Points
400 inches in girth
509 Points
A. Cowley, 1996 - Balboa Park - San Diego
Fir, California Red
Abies magnifica
National Champion
172 feet tall, 41 foot canopy
365 inches in girth
547 Points
365 inches in girth
547 Points
"R. Van Pelt, R. Knight and M. Rudnicki", 1996 - Yosemite National Park
Fir, Grand
Abies grandis
National Champion
257 feet tall, 36 foot canopy
245 inches in girth
511 Points
245 inches in girth
511 Points
R. Van Pelt and D. Thornburg, 1997 - Redwood National Park
Fir, Greek
Abies cephalonica
59 feet tall, 21 foot canopy
74 inches in girth
138 Points
74 inches in girth
138 Points
Nelson Kirk, 2006 - Fremont
Fir, White
Abies concolor
National Champion
217 feet tall, 39 foot canopy
276 inches in girth
503 Points
276 inches in girth
503 Points
R. Van Pelt, 1997 - Yosemite National Park
Floss Silk, Tree White
Chorisia insignis
60 feet tall, 59 foot canopy
162 inches in girth
237 Points
162 inches in girth
237 Points
A. Cowley, 2003 - Los Angeles
Floss Silk Tree
Chorisia speciosa
56 feet tall, 50 foot canopy
128 inches in girth
196 Points
128 inches in girth
196 Points
A. Cowley, 1997 - Fallbrook
Floss Silk Tree, White
Chorisia insignis
80 feet tall, 72 foot canopy
151 inches in girth
249 Points
151 inches in girth
249 Points
A. Cowley, 1998 - Pasadena
Flower-Fence
Caesalpinia pulcherrima
National Champion
16 feet tall, 14 foot canopy
16 inches in girth
36 Points
16 inches in girth
36 Points
A.Cowley, 2004 - Hollywood
Ginkgo
Ginkgo biloba
84 feet tall, 77 foot canopy
188 inches in girth
291 Points
188 inches in girth
291 Points
A. Cowley, 1998 - Sacramento Capital Park #223
GoldenRain Tree
Koelreuteria paniculata
44 feet tall, 56 foot canopy
82 inches in girth
140 Points
82 inches in girth
140 Points
A. Cowley, 2001 - Santa Ana
Grapefruit Tree
Citrus paradisi
18 feet tall, 29 foot canopy
37 inches in girth
62 Points
37 inches in girth
62 Points
Art P. Cowley, 2006 - Porterville
Hackberry, European
Celtis australis
98 feet tall, 70 foot canopy
147 inches in girth
263 Points
147 inches in girth
263 Points
A. Cowley, 1999 - Sacramento Capital Park #159
Hackberry, Western
Celtis reticulata
64 feet tall, 92 foot canopy
163 inches in girth
250 Points
163 inches in girth
250 Points
A. Cowley, 1996 - Mooney Park
Hemlock, Mountain
Tsuga mertensiana
National Champion
113 feet tall, 44 foot canopy
277 inches in girth
401 Points
277 inches in girth
401 Points
A. Miller, 1990 - Alpine County
272 feet tall, 40 foot canopy
238 inches in girth
520 Points
238 inches in girth
520 Points
M.D. Vaden, 2011 - Northern California
Hickory, Shagbark
Carya ovata
78 feet tall, 36 foot canopy
61 inches in girth
148 Points
61 inches in girth
148 Points
A. Pinotti, 1999 - Sutter Creek
Holly, American
Ilex opaca
41 feet tall, 36 foot canopy
64 inches in girth
114 Points
64 inches in girth
114 Points
A. Cowley, 1999 - Carmel
Hoop Pine
Araucaria cunninghamii
National Champion
71 feet tall, 37 foot canopy
132 inches in girth
212 Points
132 inches in girth
212 Points
Deborah Day, 2007 - City of San Dimas
Hoptree, California
Psidium trifoliata
National Champion
22 feet tall, 20 foot canopy
49 inches in girth
76 Points
49 inches in girth
76 Points
F.T. Callahan, 1991 - Lake County
Hornbeam, European
Carpinus betulus
23 feet tall, 41 foot canopy
43 inches in girth
76 Points
43 inches in girth
76 Points
A. Cowley, 2004 - San Francisco
Jacaranda
Jacaranda mimosifolia
Co-Champion
58 feet tall, 73 foot canopy
98 inches in girth
174 Points
98 inches in girth
174 Points
A. Cowley, 1998 - Santa Ana
Jacaranda
Jacaranda mimosifolia
Co-Champion
62 feet tall, 66 foot canopy
90 inches in girth
169 Points
90 inches in girth
169 Points
Camille Newton, 2004 - San Juan Cap.
Jujube, Chinese
Ziziphus jujube
31 feet tall, 40 foot canopy
62 inches in girth
103 Points
62 inches in girth
103 Points
A. Cowley, 2002 - Huntington
Juniper, California
Juniperus californica
National Champion
23 feet tall, 44 foot canopy
118 inches in girth
152 Points
118 inches in girth
152 Points
F.T. Callahan, 1973 - Maxwell
Juniper, Canary Island
Juniperus cedrus
48 feet tall, 28 foot canopy
63 inches in girth
118 Points
63 inches in girth
118 Points
A. Cowley, 2004 - Fremont
Juniper, Utah
Juniperus osteosperma
National Champion
40 feet tall, 56 foot canopy
260 inches in girth
314 Points
260 inches in girth
314 Points
R. Witters, 1996 - Inyo National Forest
Juniper, Western
Juniperus occidentalis
National Champion
78 feet tall, 56 foot canopy
481 inches in girth
573 Points
481 inches in girth
573 Points
J. R. Hall, 1983 - Stanislaus National Forest
Juniper, Hollywood
Juniperus chinensis
40 feet tall, 51 foot canopy
109 inches in girth
162 Points
109 inches in girth
162 Points
Art P. Cowley, 2004 - Orange
Linden
Tilia americana
72 feet tall, 52 foot canopy
106 inches in girth
191 Points
106 inches in girth
191 Points
G. Brittner, 1994 - Sacramento
Locust, Black
Robinia pseudoacacia
68 feet tall, 62 foot canopy
156 inches in girth
240 Points
156 inches in girth
240 Points
A. Cowley, 1997 - Tulare
Locust, Black
Robinia pseudoacacia
77 feet tall, 38 foot canopy
150 inches in girth
237 Points
150 inches in girth
237 Points
A. Cowley, 2003 - Pleasanton
Locust, Honey
Gleditsia triacanthos inermis
76 feet tall, 18 foot canopy
126 inches in girth
220 Points
126 inches in girth
220 Points
A. Cowley, 2006 - Visalia
Loquat
Eriobotrya japonica
36 feet tall, 34 foot canopy
41 inches in girth
86 Points
41 inches in girth
86 Points
A. Cowley, 2006 - San Juan Capistrano
Loquat, Japanese
Eriobotrya japonica
35 feet tall, 35 foot canopy
59 inches in girth
103 Points
59 inches in girth
103 Points
Nelson Kirk, 2006 - Fremont
Loquat, Bronze
Eriobotrya deflexa
20 feet tall, 25 foot canopy
52 inches in girth
78 Points
52 inches in girth
78 Points
Ernie Meri & Grand daughter, 2004 - Fremont
Lyon, Tree
Lyonothamnus floribundus
46 feet tall, 16 foot canopy
34 inches in girth
84 Points
34 inches in girth
84 Points
A. Cowley, 2004 - Santa Cat. Isle
Madrone, Pacific
Arbutus menziesii
88 feet tall, 116 foot canopy
316 inches in girth
433 Points
316 inches in girth
433 Points
A. Cowley, 2004 - Carmel
Magnolia, Southern
Magnolia grandiflora
80 feet tall, 72 foot canopy
180 inches in girth
278 Points
180 inches in girth
278 Points
A & D Pinotti, 1993 - Sutter Creek
Mahogony, Curly-leaf Mountain
Cercocarpus ledifolius
National Champion
18 feet tall, 25 foot canopy
30 inches in girth
54 Points
30 inches in girth
54 Points
A. Cowley, 2004 - Santa Catalina Island
Manzanita, Bigberry
Arctostaphylos glauca
National Champion
Co-Champion
33 feet tall, 43 foot canopy
52 inches in girth
96 Points
52 inches in girth
96 Points
E. Lagel, 1976 - Sunol regional Park
Manzanita, Bigberry
Arctostaphylos glauca
National Champion
Co-Champion
43 feet tall, 22 foot canopy
46 inches in girth
95 Points
46 inches in girth
95 Points
A. Cowley, 2001 - Alameda County
Manzanita, Common
Arctostaphylos manzanita
National Champion
27 feet tall, 30 foot canopy
119 inches in girth
156 Points
119 inches in girth
156 Points
Jim Brobeck, 2005 - Chico
Manzanita, Whiteleaf
Arctostaphylos viscida
National Champion
24 feet tall, 24 foot canopy
91 inches in girth
121 Points
91 inches in girth
121 Points
A. Cowley and F. T. Callahan, 2001 - Tulare
Maple, BigLeaf
Acer macrophyllum
61 feet tall, 76 foot canopy
174 inches in girth
254 Points
174 inches in girth
254 Points
A. Cowley, 1998 - Los Altos Hills
Maple, Black
Acer nigrum
74 feet tall, 69 foot canopy
99 inches in girth
190 Points
99 inches in girth
190 Points
Nelson Kirk, 2006 - Fremont
Maple, Japanese
Acer palmatum
37 feet tall, 46 foot canopy
74 inches in girth
123 Points
74 inches in girth
123 Points
A. Cowley, 2004 - Cap. Park
Maple, Silver
Acer saccharinum
56 feet tall, 80 foot canopy
203 inches in girth
279 Points
203 inches in girth
279 Points
A. Cowley, 2002 - Garden Grove
May Tens Tree
Maytenus boaria
36 feet tall, 40 foot canopy
83 inches in girth
129 Points
83 inches in girth
129 Points
Nelson Kirk, 2006 - Fremont
34 feet tall, 82 foot canopy
106 inches in girth
161 Points
106 inches in girth
161 Points
A. Cowley, 2006 - Tulare
Mesquite, Honey
Prosopis glandulosa
Co-Champion
42 feet tall, 31 foot canopy
104 inches in girth
154 Points
104 inches in girth
154 Points
Steven E. Slusser & John C. Rule, 2004 - Mesquite Spr.
Mulberry, Paper
Broussonetia papyrifera
66 feet tall, 65 foot canopy
130 inches in girth
212 Points
130 inches in girth
212 Points
A. L. Jacobson, 1993 - Riverside
Mulberry, Red
Morus rubra
40 feet tall, 64 foot canopy
192 inches in girth
248 Points
192 inches in girth
248 Points
A. Cowley, 2001 - Fresno
Mulberry, White
Morus alba
70 feet tall, 81 foot canopy
189 inches in girth
279 Points
189 inches in girth
279 Points
A. Cowley, 1996 - Mooney Park
Myrtle, common
Myrtus communis
38 feet tall, 37 foot canopy
33 inches in girth
80 Points
33 inches in girth
80 Points
Philip and Sue Esdaile, 2006 - Woodland
New Zealand Christmas Tree
Metrosideros excelsus
68 feet tall, 71 foot canopy
278 inches in girth
364 Points
278 inches in girth
364 Points
Mary Takabka, 2004 - San Francisco
Nutmeg, California
Torreya californica
National Champion
96 feet tall, 68 foot canopy
251 inches in girth
364 Points
251 inches in girth
364 Points
F.T. Callahan, 1993 - Swanton Pacific Ranch
Oak, Blue
Quercus douglasii
National Champion
112 feet tall, 83 foot canopy
276 inches in girth
409 Points
276 inches in girth
409 Points
A. Cowley and D. Busby, 2001 - 3-Rivers
Oak, Burr
Quercus macrocarpa
112 feet tall, 75 foot canopy
152 inches in girth
283 Points
152 inches in girth
283 Points
A. Cowley, 2004 - Cap. Pk.
Oak, California Black
Quercus kelloggii
National Champion
91 feet tall, 78 foot canopy
281 inches in girth
392 Points
281 inches in girth
392 Points
Carl Casey and Bob Huntington, 2007 - Groveland, Hwy 120
Oak, Canyon Live
Quercus chrysolepis
69 feet tall, 121 foot canopy
345 inches in girth
444 Points
345 inches in girth
444 Points
A. Cowley and M. Cobb, 2001 - Springville
Oak, Canyon Live
Quercus chrysolepis
National Champion
97 feet tall, 98 foot canopy
499 inches in girth
620 Points
499 inches in girth
620 Points
Wildlands Conservancy, 2012 - Angeles National Forest
Oak, Coast Live
Quercus agrifolia
National Champion
58 feet tall, 75 foot canopy
338 inches in girth
415 Points
338 inches in girth
415 Points
C. Powell, 1999 - Julian
Oak, Coast Live
Quercus agrifolia
55 feet tall, 104 foot canopy
324 inches in girth
405 Points
324 inches in girth
405 Points
Clint Powell, 2006 - Paso Robles
Oak, Cork
Quercus suber
70 feet tall, 100 foot canopy
229 inches in girth
324 Points
229 inches in girth
324 Points
R. Adams, 1994 - Napa
Oak, Dunn
Quercus dunnii
National Champion
35 feet tall, 40 foot canopy
85 inches in girth
130 Points
85 inches in girth
130 Points
A. Cowley, 1999 - Lockwood
Oak, Engelmann
Quercus engelmanii
National Champion
84 feet tall, 106 foot canopy
144 inches in girth
255 Points
144 inches in girth
255 Points
W. Metcalf, 1968 - Pasadena
Oak, Engelmann
Quercus engelmanii
27 feet tall, 43 foot canopy
214 inches in girth
252 Points
214 inches in girth
252 Points
A. Cowley, 2004 - Julian
Oak, English
Quercus robur
92 feet tall, 94 foot canopy
146 inches in girth
262 Points
146 inches in girth
262 Points
A. Cowley, 2004 - Pleasanton
Oak, Holly
Quercus ilex
National Champion
70 feet tall, 92 foot canopy
132 inches in girth
225 Points
132 inches in girth
225 Points
A. Cowley, 2001 - Sacramento Capital Park # 23
Oak, Interior Live
Quercus wislizenii
National Champion
51 feet tall, 73 foot canopy
252 inches in girth
321 Points
252 inches in girth
321 Points
D. MacDannald, 1982 - Stockton
Oak, Munzii Live
Quercus turbinella x Q. lobata
48 feet tall, 43 foot canopy
109 inches in girth
168 Points
109 inches in girth
168 Points
J. Ohlfs, 1998 - Joshua Tree National Park
Oak, Oracle
Quercus morehus
59 feet tall, 68 foot canopy
139 inches in girth
215 Points
139 inches in girth
215 Points
L. Otter, 1996 - Springville
Oak, Pin
Quercus palustris
92 feet tall, 80 foot canopy
118 inches in girth
230 Points
118 inches in girth
230 Points
A. Cowley, 2001 - Sacramento Capital Park # 151
Oak, Scarlet
Quercus coccinea
86 feet tall, 67 foot canopy
107 inches in girth
210 Points
107 inches in girth
210 Points
A. Cowley, 1998 - Bakersfield
Oak, Valley
Quercus lobata
National Champion
153 feet tall, 99 foot canopy
339 inches in girth
516 Points
339 inches in girth
516 Points
W.L. Jepsen, 1984 - South of Covelo
Oak, Holly
Quercus ilex
70 feet tall, 79 foot canopy
130 inches in girth
220 Points
130 inches in girth
220 Points
Art P. Cowley, 2004 - Orange
Oleander
Nerium oleander
National Champion
32 feet tall, 36 foot canopy
51 inches in girth
92 Points
51 inches in girth
92 Points
A. Cowley, 1997 - Exeter
Olive
Olea europaea
34 feet tall, 60 foot canopy
168 inches in girth
217 Points
168 inches in girth
217 Points
A. Cowley, 1999 - Sacramento Capital Park #338
Ombu
Phytolacca dioica
94 feet tall, 71 foot canopy
397 inches in girth
509 Points
397 inches in girth
509 Points
Glen Williams, 2004 - Fullerton
Orange, Navel
Citrus sinensis
Co-Champion
34 feet tall, 31 foot canopy
61 inches in girth
103 Points
61 inches in girth
103 Points
Art P. Cowley, - Bakersfield
Orange, Valencia
Citrus sinensis
National Champion
43 feet tall, 35 foot canopy
61 inches in girth
113 Points
61 inches in girth
113 Points
A. Cowley, 2002 - Capital Parkway #120
Osage Orange
Maclura pomifera
51 feet tall, 57 foot canopy
111 inches in girth
176 Points
111 inches in girth
176 Points
N. Brown, 1997 - Springville
Palm, California Fan
Washintonia filifera
National Champion
Co-Champion
101 feet tall, 22 foot canopy
100 inches in girth
207 Points
100 inches in girth
207 Points
R. Van Pelt and A. Jackson, 1991 - Capital Park
66 feet tall, 19 foot canopy
142 inches in girth
213 Points
142 inches in girth
213 Points
A. Cowley, 1997 - Capital Park
Palm, Canary Island
Phoenix canariensis
National Champion
65 feet tall, 29 foot canopy
187 inches in girth
259 Points
187 inches in girth
259 Points
Arthur Cowley, 2004 - San Francisco
Palm, Livistona
Livistona chinensis
74 feet tall, 11 foot canopy
52 inches in girth
129 Points
52 inches in girth
129 Points
Nelson Kirk, 2006 - Fremont
Palm, Mexican Fan
Washintonia robusta
107 feet tall, 9 foot canopy
72 inches in girth
181 Points
72 inches in girth
181 Points
Ken Pfalzgraf, 2006 - Los Angles
Palm, Monkeypod Coconut
Jubaea spectabilis
51 feet tall, 30 foot canopy
159 inches in girth
218 Points
159 inches in girth
218 Points
A. Cowley, 1998 - Santa Clara University
Palm, Monkeypod Coconut
Jubaea spectabilis
68 feet tall, 29 foot canopy
152 inches in girth
227 Points
152 inches in girth
227 Points
A. Cowley, 2004 - Fremont
Palm, Sago
Cycas revoluta
16 feet tall, 18 foot canopy
58 inches in girth
79 Points
58 inches in girth
79 Points
A. Cowley, 2001 - Visalia
Palm, Senegal Date
Phoenix reclinata
54 feet tall, 38 foot canopy
53 inches in girth
117 Points
53 inches in girth
117 Points
Nelson Kirk, 2004 - Fremont
Paloverde, Blue
Cercidium floridum
National Champion
53 feet tall, 42 foot canopy
86 inches in girth
150 Points
86 inches in girth
150 Points
F.T. Callahan, 1976 - Salton City
Parasol Tree, Chinese
Firmiana simplex
National Champion
47 feet tall, 36 foot canopy
141 inches in girth
197 Points
141 inches in girth
197 Points
A. Cowley, 1999 - San Luis Rey
Paulownia, Royal
Paulownia tomentosa
70 feet tall, 78 foot canopy
157 inches in girth
247 Points
157 inches in girth
247 Points
A. Cowley, 2001 - Farmersville
Pear
Pyrus communis
Co-Champion
33 feet tall, 34 foot canopy
58 inches in girth
100 Points
58 inches in girth
100 Points
A. Cowley, 1999 - Tulare
Pear
Pyrus communis
Co-Champion
36 feet tall, 43 foot canopy
58 inches in girth
105 Points
58 inches in girth
105 Points
A. Cowley, 2002 - Orange
Pear, Bradford
Pyrus calleryana 'bradford'
47 feet tall, 44 foot canopy
67 inches in girth
125 Points
67 inches in girth
125 Points
Nelson Kirk, 2006 - Fremont
Pecan
Carya illinoensis
98 feet tall, 85 foot canopy
150 inches in girth
269 Points
150 inches in girth
269 Points
A. Cowley, 2002 - Saratoga
Pepper, Brazilian
Schinus terebinthifolius
56 feet tall, 37 foot canopy
145 inches in girth
196 Points
145 inches in girth
196 Points
A. Cowley, 2001 - Balboa Park
Pepper Tree, Peruvian
Schinus molle
National Champion
57 feet tall, 72 foot canopy
367 inches in girth
442 Points
367 inches in girth
442 Points
R. Wheeler, 1969 - San Juan Capistrano
Photinia, Chinese
Photinia serrulata
30 feet tall, 38 foot canopy
40 inches in girth
79 Points
40 inches in girth
79 Points
A. Cowley, 1999 - Porterville
Pine, Aleppo
Pinus halepensis
114 feet tall, 84 foot canopy
204 inches in girth
339 Points
204 inches in girth
339 Points
A. Cowley, 2001 - Piru
Pine, Bishop
Pinus muricata
National Champion
86 feet tall, 72 foot canopy
198 inches in girth
302 Points
198 inches in girth
302 Points
A. Cowley, 2004 - Oakland
Pine, Bolanders
Pinus contorta var. bolanderi
National Champion
76 feet tall, 18 foot canopy
58 inches in girth
139 Points
58 inches in girth
139 Points
R.E. Sholars, 1983 - Jughandle State Reserve
Pine, Canary Island
Pinus canariensis
82 feet tall, 81 foot canopy
162 inches in girth
264 Points
162 inches in girth
264 Points
A. Remyn, 1994 - Orange
Pine, Coulter
Pinus coulterii
National Champion
141 feet tall, 72 foot canopy
152 inches in girth
311 Points
152 inches in girth
311 Points
A. Cowley and C. Powell, 2001 - Julian
Pine, Digger
Pinus sabiniana
National Champion
120 feet tall, 77 foot canopy
178 inches in girth
317 Points
178 inches in girth
317 Points
A. Cowley, 1999 - Visalia
Pine, Fern
Podocarpus gracilior
80 feet tall, 60 foot canopy
155 inches in girth
250 Points
155 inches in girth
250 Points
Art P. Cowley, 2006 - Orange
Pine, Foxtail
Pinus balfouriana
National Champion
76 feet tall, 30 foot canopy
316 inches in girth
401 Points
316 inches in girth
401 Points
S Moore and R. Moore, 1988 - Shasta Trinity National Forest
Pine, Intermountain Bristlecone
Pinus aristata var. Longaeva
National Champion
41 feet tall, 48 foot canopy
439 inches in girth
492 Points
439 inches in girth
492 Points
A.E. Noren, 1999 - Inyo National Forest
Pine, Italian Stone
Pinus pinea
National Champion
62 feet tall, 105 foot canopy
239 inches in girth
327 Points
239 inches in girth
327 Points
A. Cowley, 2004 - Orange
Pine, Jeffrey
Pinus jeffreyi
152 feet tall, 72 foot canopy
244 inches in girth
414 Points
244 inches in girth
414 Points
Art P. Cowley, 2004 - Frazier Park
Pine, Jeffrey
Pinus jeffreyi
National Champion
186 feet tall, 66 foot canopy
282 inches in girth
485 Points
282 inches in girth
485 Points
R. Van Pelt, 2007 - Tioga Pass Road
Pine, Jeffrey (deceased)
Pinus jeffreyi
192 feet tall, 56 foot canopy
305 inches in girth
521 Points
305 inches in girth
521 Points
R. Van Pelt, 1998 - Stanislaus National Forest
Pine, Knobcone
Pinus attenuata
National Champion
117 feet tall, 66 foot canopy
135 inches in girth
269 Points
135 inches in girth
269 Points
P. Caster, 1976 - Shasta County
Pine, Lodgepole
Pinus contorta
National Champion
Co-Champion
116 feet tall, 50 foot canopy
245 inches in girth
374 Points
245 inches in girth
374 Points
M. Gulick, 1984 - San Bernadino National Forest
Pine, Lodgepole
Pinus contorta
National Champion
Co-Champion
124 feet tall, 42 foot canopy
238 inches in girth
373 Points
238 inches in girth
373 Points
Mr and Mrs C. Grimstead, 1985 - Stanislaus National Forest
Pine, Lodgepole
Pinus contorta
National Champion
Co-Champion
106 feet tall, 65 foot canopy
242 inches in girth
364 Points
242 inches in girth
364 Points
R. Riebe and I. Stafford, 1987 - Stanislaus National Forest
Pine, Monterey
Pinus radiata
National Champion
167 feet tall, 106 foot canopy
334 inches in girth
532 Points
334 inches in girth
532 Points
A. Cowley and J. Cowley, 1998 - Carmel
Pine, Norfolk Island
Araucaria heterophylla
108 feet tall, 69 foot canopy
141 inches in girth
266 Points
141 inches in girth
266 Points
A. Cowley, 1997 - Camarillo
Pine, Norfolk Island
Araucaria heterophylla
114 feet tall, 55 foot canopy
148 inches in girth
276 Points
148 inches in girth
276 Points
A.Cowley, 2002 - Hayward
Pine, Parry Pinyon
Pinus parryana
National Champion
53 feet tall, 42 foot canopy
86 inches in girth
150 Points
86 inches in girth
150 Points
F.T. Callahan, 1976 - Mountain Center
235 feet tall, 66 foot canopy
324 inches in girth
575 Points
324 inches in girth
575 Points
Don Errington & crew, 2011 - El Dorado National Forest
232 feet tall, 70 foot canopy
313 inches in girth
565 Points
313 inches in girth
565 Points
Tim Lovitt, 2007 - Shasta Trinity National Forest
Pine, Singleleaf Pinyon
Pinus monophylla
National Champion
45 feet tall, 40 foot canopy
164 inches in girth
219 Points
164 inches in girth
219 Points
F.T. Callahan, 1991 - Inyo County
Pine, Sugar
Pinus lambertiana
National Champion
208 feet tall, 64 foot canopy
414 inches in girth
638 Points
414 inches in girth
638 Points
H. McLean and G. Whitson, 1993 - Dorrington
Pine, Torrey
Pinus torreyana
National Champion
126 feet tall, 130 foot canopy
245 inches in girth
404 Points
245 inches in girth
404 Points
E. Scanlon, 1993 - Carpinteria
Pine, Washoe
Pinus washoensis
National Champion
161 feet tall, 64 foot canopy
205 inches in girth
382 Points
205 inches in girth
382 Points
H. Bowman, 1997 - Modoc National Forest
Pine, Western White
Pinus monticola
National Champion
151 feet tall, 52 foot canopy
394 inches in girth
558 Points
394 inches in girth
558 Points
H. Carston and M. Drawson, 1991 - El Dorado National Forest
pine, whitebark
Pinus albicaulis
44 feet tall, 37 foot canopy
235 inches in girth
288 Points
235 inches in girth
288 Points
Adam Rich and Nicolette Nelson, 2011 - Humboldt-Toiyabe National Forest, Bridgeport, CA.
Pine (deceased), Sugar
Pinus lambertiana
209 feet tall, 67 foot canopy
433 inches in girth
659 Points
433 inches in girth
659 Points
Herbert E. McLean, Gary Whitson, 1994 - Stanislaus National Forest
Pistache, Chinese
Pistacia chinensis
64 feet tall, 52 foot canopy
79 inches in girth
156 Points
79 inches in girth
156 Points
A. Cowley, 1998 - Sacramento Capital Park #113
Pistachio, Nut
Pistacia vera
46 feet tall, 70 foot canopy
153 inches in girth
217 Points
153 inches in girth
217 Points
A. Cowley, 1996 - Bakersfield
Pittosporum, Orange
Pittosporum tobira
National Champion
50 feet tall, 59 foot canopy
143 inches in girth
208 Points
143 inches in girth
208 Points
A. Cowley, 2004 - Orange
Plane Tree, London
Platanus acererifolia
82 feet tall, 94 foot canopy
154 inches in girth
260 Points
154 inches in girth
260 Points
Owner and Wife, 2004 - San Leandro
Poplar, Lombardy
Populus nigra
102 feet tall, 39 foot canopy
207 inches in girth
319 Points
207 inches in girth
319 Points
A. Cowley, 1996 - Porterville
Poplar, Lombardy
Populus nigra
81 feet tall, 38 foot canopy
231 inches in girth
322 Points
231 inches in girth
322 Points
A. Cowley, 2004 - Fremont
Poplar, White
Populus alba
45 feet tall, 42 foot canopy
93 inches in girth
149 Points
93 inches in girth
149 Points
Nelson Kirk, 2006 - Fremont
Primrose, Tree
Lagunaria patersonii
71 feet tall, 44 foot canopy
105 inches in girth
187 Points
105 inches in girth
187 Points
A. Cowley, 2004 - Laguana Beach
Privet, Glossy
Ligustrum lucidum
National Champion
62 feet tall, 65 foot canopy
107 inches in girth
185 Points
107 inches in girth
185 Points
Barrette and Stanley, 1991 - Sacramento Capital Park #306
Queensland, Kauri
Agathis robusta
48 feet tall, 10 foot canopy
33 inches in girth
84 Points
33 inches in girth
84 Points
A. Cowley, 2004 - Fremont
Red Gum, Sydney
Angophora costata
65 feet tall, 48 foot canopy
97 inches in girth
174 Points
97 inches in girth
174 Points
Nelson Kirk, 2006 - Fremont
Redbud, California
Cercis occidentalis
National Champion
45 feet tall, 38 foot canopy
71 inches in girth
126 Points
71 inches in girth
126 Points
E. Lagel, 1980 - Santa Rosa
Redshank
Adenostoma sparsifolium
National Champion
23 feet tall, 26 foot canopy
48 inches in girth
78 Points
48 inches in girth
78 Points
F.T. Callahan, 1977 - Warner Springs
321 feet tall, 80 foot canopy
950 inches in girth
1291 Points
950 inches in girth
1291 Points
R. Hildebrant, M. Taylor, S. Sillett, 1998 - Jedediah Smith State Park
Redwood, Coast
Sequoia sempervirens
Co-Champion
307 feet tall, 97 foot canopy
893 inches in girth
1224 Points
893 inches in girth
1224 Points
A. Cowley, 2003 - Jedediah Smith State Park
Redwood, Coast
Sequoia sempervirens
Co-Champion
313 feet tall, 101 foot canopy
867 inches in girth
1205 Points
867 inches in girth
1205 Points
A. Cowley, 2003 - Prairie Creeek State Park
Redwood, Dawn
Metasequoia glyptostroboides
88 feet tall, 59 foot canopy
182 inches in girth
285 Points
182 inches in girth
285 Points
A. Cowley, 2001 - Palo Alto
Rhododendron, Pacific
Rhododendron macrophyllum
National Champion
28 feet tall, 17 foot canopy
22 inches in girth
54 Points
22 inches in girth
54 Points
F.T. Callahan, 1976 - Mendocino County
Sapote, White
Casimiroa edulis
37 feet tall, 46 foot canopy
50 inches in girth
98 Points
50 inches in girth
98 Points
Nelson Kirk, 2006 - Fremont
Sausage Tree
Kigelia pinnata
25 feet tall, 36 foot canopy
69 inches in girth
103 Points
69 inches in girth
103 Points
L. Romero/A. Gibson, 1996 - U.C.L.A.
Schefflera,, Hawaiian Elf
Schefflera arboricola
26 feet tall, 18 foot canopy
48 inches in girth
79 Points
48 inches in girth
79 Points
A. Cowley, 2004 - Coronado Island
261 feet tall, 106 foot canopy
1024 inches in girth
1312 Points
1024 inches in girth
1312 Points
Isabelle F. Story, 2000 - Sequoia National Park
Sequoia, Giant
Sequoiadendron giganteum
Co-Champion
279 feet tall, 84 foot canopy
990 inches in girth
1290 Points
990 inches in girth
1290 Points
Larry Otter, 2003 - Sequoia National Park
Sequoia, Giant
Sequoiadendron giganteum
246 feet tall, 59 foot canopy
1004 inches in girth
1265 Points
1004 inches in girth
1265 Points
David Lloyd and A. Cowley, 2004 - Sequoia N.F.
Silk Oak
Grevillea robusta
110 feet tall, 48 foot canopy
167 inches in girth
289 Points
167 inches in girth
289 Points
A. Cowley, 2002 - Sultans
Silk Tree
Albizia julibrissin
43 feet tall, 48 foot canopy
80 inches in girth
135 Points
80 inches in girth
135 Points
A. Cowley, 1996 - Bakersfield
Smoke Tree
Dalea spinosa
National Champion
17 feet tall, 12 foot canopy
48 inches in girth
68 Points
48 inches in girth
68 Points
F.T. Callahan, 1976 - Anza Borrego State Park
Soapberry, Southern
Sapindus Sp.
31 feet tall, 48 foot canopy
88 inches in girth
131 Points
88 inches in girth
131 Points
A. Cowley, 2004 - Tulare
Spruce, Brewer
Picea breweriana
176 feet tall, 55 foot canopy
201 inches in girth
391 Points
201 inches in girth
391 Points
A.Cowley, 2003 - Youngs Peak
Strawberry Tree
Arbutus unedo
35 feet tall, 46 foot canopy
122 inches in girth
169 Points
122 inches in girth
169 Points
A. Cowley, 1998 - Santa Ana
Sugar Bush
Rhus ovata
16 feet tall, 30 foot canopy
26 inches in girth
50 Points
26 inches in girth
50 Points
L. Romero, 2001 - Anza Borrego State Park
Sweet Gum
Liquidambar styraciflua
100 feet tall, 68 foot canopy
172 inches in girth
289 Points
172 inches in girth
289 Points
G. Brittner, 1994 - Sacramento
Sweet Gum, Oriental
Liquidambar orientalis
66 feet tall, 57 foot canopy
168 inches in girth
248 Points
168 inches in girth
248 Points
John Rehnberg, 2006 - Fremont
Sycamore, California
Platanus racemosa
95 feet tall, 108 foot canopy
350 inches in girth
472 Points
350 inches in girth
472 Points
A. Cowley, 1998 - San Juan Capistrano
Sycamore, California
Platanus racemosa
105.8 feet tall, 136 foot canopy
355 inches in girth
495 Points
355 inches in girth
495 Points
Robert Van Pelt, 2008 - Oakdale
Sycamore, California
Platanus racemosa
National Champion
94 feet tall, 95.5 foot canopy
626 inches in girth
743 Points
626 inches in girth
743 Points
Ken Knight, Bill Spiewak and Randy Baldwin, 2012 - Goleta, CA
Tamarisk
Tamarix parviflora
38 feet tall, 36 foot canopy
218 inches in girth
265 Points
218 inches in girth
265 Points
A. Cowley, 1999 - Coalinga
Tanoak
Lithocarpus densiflorus
92 feet tall, 84 foot canopy
270 inches in girth
383 Points
270 inches in girth
383 Points
V. Lane Etal, 1991 - Six Rivers National Forest
Tea Tree, Australian
Leptospermum laevigatum
20 feet tall, 60 foot canopy
52 inches in girth
87 Points
52 inches in girth
87 Points
A. Cowley, 2004 - San Diego
Tesota, Desert Ironwood
Olneya tesota
National Champion
33 feet tall, 55 foot canopy
198 inches in girth
245 Points
198 inches in girth
245 Points
R. DeGouvenain, 1991 - Riverside County
Toyon
Heteromeles arbutifolia
National Champion
Co-Champion
40 feet tall, 35 foot canopy
46 inches in girth
95 Points
46 inches in girth
95 Points
Mike Swingholm, 2007 - Newport Beach
Toyon
Heteromeles arbutifolia
National Champion
32 feet tall, 28 foot canopy
58 inches in girth
97 Points
58 inches in girth
97 Points
A. Cowley, 2004 - Santa Barbara Co.
Tree of Heaven
Ailanthus altissima
88 feet tall, 80 foot canopy
195 inches in girth
303 Points
195 inches in girth
303 Points
A. Cowley, 2002 - Sanger
Tulip Tree, (Yellow)
Liriodendron tulipifera
91 feet tall, 91 foot canopy
228 inches in girth
342 Points
228 inches in girth
342 Points
A. Cowley, 1997 - Sacramento Capital Park #20
Viburnum, Japanese
Viburnum japonica
42 feet tall, 49 foot canopy
65 inches in girth
119 Points
65 inches in girth
119 Points
A. Cowley, 2004 - Orange
Walnut, Black Eastern
Juglans nigra
56 feet tall, 50 foot canopy
123 inches in girth
192 Points
123 inches in girth
192 Points
A. Cowley, 2004 - Bakersfield
Walnut, California Black
Juglans hindsii
National Champion
102 feet tall, 118 foot canopy
444 inches in girth
576 Points
444 inches in girth
576 Points
Allison Fulmer, 2007 - Somerset, El Dorado County
Walnut, English
Juglans regia
62 feet tall, 96 foot canopy
197 inches in girth
283 Points
197 inches in girth
283 Points
F. Taylor, 1999 - Porterville
Walnut, Paradox
Juglans 'Paradoxa'
99 feet tall, 124 foot canopy
326 inches in girth
456 Points
326 inches in girth
456 Points
A. Cowley, 2001 - Farmersville
Walnut, S. California
Juglans californica
National Champion
112 feet tall, 106 foot canopy
259 inches in girth
398 Points
259 inches in girth
398 Points
G.R. Foster, 1973 - Chico
Willow, Arroyo
Salix lasiolepis
National Champion
41 feet tall, 49 foot canopy
89 inches in girth
142 Points
89 inches in girth
142 Points
A. Cowley, 2002 - San Juan Capistrano
Willow, Australian
Geijera parviflora
National Champion
49.1 feet tall, 64 foot canopy
82 inches in girth
147 Points
82 inches in girth
147 Points
Randy Baldwin, 2012 - Goleta
Willow, Black
Salix nigra
National Champion
44 feet tall, 58 foot canopy
180 inches in girth
239 Points
180 inches in girth
239 Points
A. Cowley, 2001 - Snelling
Willow, Bonpland
Salix bonplandiana
National Champion
63 feet tall, 76 foot canopy
228 inches in girth
310 Points
228 inches in girth
310 Points
A. Cowley, - Weldon
Willow, Desert
Chilopsis linearis
40 feet tall, 36 foot canopy
71 inches in girth
120 Points
71 inches in girth
120 Points
A. Cowley, 2001 - Porterville
65 feet tall, 62 foot canopy
152 inches in girth
233 Points
152 inches in girth
233 Points
H. Cooley, 2006 - Hayward
54 feet tall, 84 foot canopy
171 inches in girth
246 Points
171 inches in girth
246 Points
A. Cowley, 1999 - Taft
Willow, Weeping
Salix babylonica
Co-Champion
45 feet tall, 73 foot canopy
150 inches in girth
213 Points
150 inches in girth
213 Points
A. Cowley, 2004 - Porterville
Willow, Weeping
Salix babylonica
Co-Champion
82 feet tall, 68 foot canopy
116 inches in girth
215 Points
116 inches in girth
215 Points
A. Cowley, 2004 - Porterville
Xylosma, Shiny
Xylosma congestum
31 feet tall, 35 foot canopy
50 inches in girth
90 Points
50 inches in girth
90 Points
A. Cowley, 1996 - Porterville
Yew, English
Taxus baccata
36 feet tall, 44 foot canopy
157 inches in girth
204 Points
157 inches in girth
204 Points
A. Cowley, 1997 - San Francisco
Yew, Japanese
Podocarpus macrophyllus
21 feet tall, 32 foot canopy
42 inches in girth
71 Points
42 inches in girth
71 Points
Art P. Cowley, 2004 - Orange
Yew, Pacific
Taxus brevifolia
31 feet tall, 40 foot canopy
90 inches in girth
131 Points
90 inches in girth
131 Points
K. Hughes, 1996 - Hillcrest
Yucca, Mojave
Yucca mohavensis
National Champion
24 feet tall, 7 foot canopy
66 inches in girth
92 Points
66 inches in girth
92 Points
Alexander, ET. AL., 1987 - Needles R.A. BLM
Yucca, Mound Lily
Yucca gloriosa
National Champion
32 feet tall, 38 foot canopy
118 inches in girth
160 Points
118 inches in girth
160 Points
A. Cowley, 1998 - Huntington Beach
Yucca, St. Peter's Palm
Yucca filifera
National Champion
48 feet tall, 49 foot canopy
168 inches in girth
227 Points
168 inches in girth
227 Points
A. Cowley, 1999 - Stanford University
Zelkova
Zelkova serrata
60 feet tall, 74 foot canopy
107 inches in girth
185 Points
107 inches in girth
185 Points
A. Cowley, 2004 - Fremont
