California Black Oak

Quercus kelloggii Newberry

Beech family

Plant Type

Tree, Shrub

Life Cycle

Perennial

Mature Height

85.0 feet

Spread

7.3 feet

Flower Color

Yellow

Bloom Time

Late Spring

Growing Conditions

Light

Shade Tolerance Intolerant

Water

Water Use Medium

Drought Tolerance Medium

Flood Tolerance None

Soil

Soil Types Loam, Sand

CaCO3 Tolerance Low

Fertility Need Low

Stress Tolerance

Fire Tolerance Low

Salt Tolerance None

Climate

pH Range 5.5 – 7.5

Frost-Free Days 90 days

Precipitation 12 – 100 in

Ecosystem & Wildlife

Pollinators Larval Host (Moth); Wind

Larval Host Anisota oslari, Antheraea oculea, Antheraea polyphemus polyphemus, Archips argyrospila, Automeris cecrops pamina, Automeris io, Cameraria lobatiella, Cameraria mendocinensis, Chionodes chrysopyla, Chionodes occidentella, Chionodes raspyon, Chionodes trichostola, Decodes fragariana, Epinotia emarginana, Eriocraniella aurosparsella, Hydriomena expurgata, Lithophane georgii, Malacosoma californica "central population", Malacosoma californica california, Malacosoma constricta constricta, Nadata gibbosa, Neoalcis californiaria, Orgyia cana, Orgyia pseudotsugata, Orgyia vetusta, Phryganidia californica, Phyllonorycter basistrigella, Pseudexentera habrosana, Stigmella variella, Telphusa sedulitella, Tischeria mediostriata, Xenolechia querciphaga

Fall Color Yes

Evergreen No

Native Range

USA: California, Oregon
MEX: Mexico Northwest

Regional Native Status: L48 (N)

State-level native status is based on data available through Plants of the World Online. Regional Native Status comes from the USDA Plants Database. For more detailed native status information, please refer to BONAP.