Botanical Name: Quercus kelloggii
Common Name: California black oak
Type of Plant: dicot: tree
Character deciduous
 
Habit of Growth:
Overall Shape an erect, single or multi-trunked tree, with ascending primary branches and spreading secondary branches forming an oval canopy which broadens with age; bark is dark gray or black
Height 20' - 40'
Spread 2/3 - equal
Growth Rate slow-mod.
 
Environment:
Exposure outdoors full or partial sun; can grow in considerable shade
Soil tolerates most except highly alkaline
Hardiness (zones 2-7, 14-23): avoid hot, low desert habitats
 
Morphology:
Leaves pinnate, alternate, lobed, broadly elliptic, 4" - 8" long; each of the 6-8 lobes are coarsely tipped with 1-3 teeth; bright green above, paler beneath; new leaves are pink, turning orange or gold in fall
Flowers inconspicuous, green, in small catkins
Fruit an acorn (nut): ripens in the second year; oblong, 1" long
 
Propagation:
seed
 
Usage:
a beautiful deciduous accent tree, valued for its branching structure and attractive foliage; suitable for temperate-climate theme landscapes, oriental or rustic-style designs; large container plant, background grove plantings; lawn tree
 
Landscape Care:
Watering an occasional deep soak; the plant can tolerate lawn conditions if drainage is excellent
Fertilizing little is needed after establishment
Pruning head high and develop an open canopy; little is required
Pests/Diseases relatively free; is more resistant to Armillaria root fungus
Special Conditions/Other grows best at 4000-8000' elevations
 
Origin: mountains throughout western Sierra Nevada and coast ranges
Family: Fagaceae

Notes:
 
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