Quercus glauca, Japanese blue oak

Category: Trees
Family: Fagaceae
Origin: Japan
Evergreen: yes
Flower Color: white
Bloom Time: spring
Height: 40 ft
Width: 20 ft
Exposure: sun to part shade
Irrigation: low
Cold Hardiness: 7 F
Description: A strictly evergreen tree to about 40 ft., often multi-trunked, with grey somewhat mottled bark. The underneath side of leaves is bluish. Extremely drought-tolerant. Slow growing.