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Wasowski, Sally and Andy

Quercus agrifolia Née

California live oak, Coast live oak

Fagaceae (Beech Family)

USDA Symbol: QUAG

USDA Native Status: Native to U.S.

A picturesque, broad-canopied, evergreen oak, 20-50 ft. high and wide. Old trees can reach 100 ft. Thick, slightly glossy, gray-green leaves are oval and holly-like.Evergreen tree with short, stout trunk; many large, crooked, spreading branches; and broad, rounded crown; sometimes shrubby. This is the common oak of the California coast and foothills, forming parklike groves that often appear in the scenery of motion pictures made in Hollywood.

 

From the Image Gallery

Plant Characteristics

Duration: Perennial
Habit: Tree
Leaf Retention: Evergreen
Leaf Arrangement: Alternate
Leaf Complexity: Simple
Size Class: 72-100 ft.
Leaf Shape: Elliptic
Leaf Texture: Leathery
Breeding System: Monoecious
Inflorescence: Spike , Catkin
Fruit Type: Nut
Size Notes: Height to 100 feet.
Leaf Color: Green
Flower Size: Males 2-4 inch drooping catkins.
Fruit Length: 1 to 1 1/2 inches long.
Fruit Color: Light brown acorn.

Bloom Information

Bloom Color: Red , Yellow , Green
Bloom Time: Mar , Apr
Bloom Notes: Males yellow-green catkin, females reddish green spike.

Distribution

USA: CA
Native Distribution: CA Coast Ranges from Sonoma Co., s. to Mex.
Native Habitat: Coastal valleys & slopes below 3500 ft.
USDA Native Status: L48(N)

Growing Conditions

Water Use: Medium
Light Requirement: Part Shade
CaCO3 Tolerance: Low
Soil Description: Well-drained soil.

Benefit

Use Wildlife: Attracts Oak Titmouse, Western Scrub Jay, Stellers Jay, Chestnut-backed Chickadee, and about 30 other species of birds.
Use Food: The acorns were among those preferred by Indians; after removing the shells, they ground the seeds into meal, which was washed to remove the bitter taste, and boiled into mush or baked in ashes as bread.
Interesting Foliage: yes
Attracts: Birds , Butterflies
Larval Host: California sister butterfly.

Butterflies and Moths of North America (BAMONA)

Quercus agrifolia is a larval host and/or nectar source for:
Propertius Duskywing
(Erynnis propertius)

Larval Host
Learn more at BAMONA 		Mournful Duskywing
(Erynnis tristis)

Larval Host
Learn more at BAMONA 		California Sister
(Adelpha bredowii)

Larval Host
Learn more at BAMONA

Find Seed or Plants

Find seed sources for this species at the Native Seed Network.

View propagation protocol from Native Plants Network.

From the National Organizations Directory

According to the species list provided by Affiliate Organizations, this plant is on display at the following locations:

Santa Barbara Botanic Garden - Santa Barbara, CA

Bibliography

A Field Guide to Moths of Eastern North America (2005) Covell, C.V., Jr.
A Field Guide to Western Butterflies (Peterson Field Guides) (1999) Opler, P.A. and A.B. Wright

Search More Titles in Bibliography

Additional resources

USDA: Find Quercus agrifolia in USDA Plants
FNA: Find Quercus agrifolia in the Flora of North America (if available)
Google: Search Google for Quercus agrifolia

Metadata

Record Modified: 2008-04-01
Research By: TWC Staff

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