Quercus lobata Nee
Valley, white, California white, mush, water, swamp, roble
40 to120 ft.
Mature Tree DBH (Diam. at Breast Ht.)
1-4 ft.; largest over 8 ft.
Long-lived, 200-250 yrs.
Not a vigorous sprouterVariable sprouter; not vigorous on dry sites
Matures first year, variable but large and tapered, cup over 1/3 of nut and warty
Deciduous; leaves leathery with shiny, dark green-yellow above and grayish below; deep irregular lobes; 2-4 in.
Seedlings somewhat tolerant, mature trees intolerant
Not tolerant of fires
500-800 ft. in north; up to 5600 ft. in south
Blue and Oregon white oak; sometimes interior live oak
Prefers fertile, well-drained bottomland soils, streambeds, and lower foothills
Confused with Oregon white oak but acorns pointed with warty cupsSeedlings not tolerant
For more information contact:
Richard B. Standiford
Forest Management Specialist
The Oak Woodland Conservation Workgroup Maintains This Site
Division of Agriculture and Natural Resources, University of California