Blue Oak
Quercus douglasii Hook. & Arn. - Beech family
Size
Mature Height: Up to around 50.0 feet
Plant Type: Tree
Features
Flower Color: Yellow
Bloom Time: Early Spring, Mid Spring
Conditions
Shade Tolerance: Intolerant
Ecosystem Interactions
Pollinators: Larval Host (Butterfly); Larval Host (Moth); Wind
Larval Species depending on Blue Oak: Acrobasis comptella, Anisota stigma, Archips argyrospila, Aristotelia urbaurea, Cameraria lobatiella, Cameraria pentekes, Cameraria serpentinensis, Cameraria temblorensis, Chionodes formosella, Chionodes occidentella, Chionodes raspyon, Chionodes trichostola, Coleophora querciella, Decodes fragariana, Dyseriocrania auricyanea, Epinotia emarginana, Erynnis tristis, Erynnis tristis tristis, Evippe laudatella, Feralia februalis, Malacosoma constricta constricta, Phryganidia californica, Rhodophaea fria, Satyrium auretorum, Telphusa sedulitella, Xenolechia querciphaga
Native Range
- USA: California
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.