Quercus kelloggi
California Black Oak

A large deciduous tree with a broad, rounded form and spreading, twisting, arching branches. Bark becomes furrowed, checked and dark gray-brown with age. Leathery green leaves are large, oval and deeply lobed with sharp, little tips. Foliage emerges reddish in spring and turns gold with red-orange accents in fall. Inconspicuous female flowers and showy male catkins yield acorns. Native from southern Oregon to southern California. Provides habitat and food for numerous animal species.

USDA zones: 8 - 10
Sunset zones: 5 (inland), 6, 7, 9, 14 - 21
Mature size: 40 - 80 feet high and wide
Light needs: full sun
Water needs: little to moderate water