Quercus acuta
Japanese Evergreen Oak
Family |
Fagaceae |
Genus |
Quercus |
Species |
acuta |
Category |
Woody |
Type |
Tree (evergreen) |
Synonyms |
Cyclobalanopsis acuta |
USDA Hardiness Zone |
9 - 11 |
Canadian Hardiness Zone |
Requires cold season protection under glass. |
RHS Hardiness Zone |
H4 - H1c |
Temperature (°C) |
(-10) - 10 |
Temperature (°F) |
14 - 50 |
Height |
6 - 9 m |
Spread |
4 - 6 m |
Landscape |
The dense growth and small size make Japanese Evergreen Oak ideal for use as a specimen, screen, or small shade tree. |
Cultivation |
Grows best in moist, fertile, well-drained soils in full sun to part shade. |
Shape |
Somewhat rounded crown. |
Growth |
Slow |
Habitat |
Moist forests and ravines. |
Bark/Stem Description |
Dense, low branching and smooth multiple trunks with grey bark. |
Leaf Description |
Dark green, glossy leaves, 7 - 15 cm long, have wavy-margins and a paler underside. New growth is purplish-brown. |
Flower Description |
Oval shaped buds to about 7 mm, dark brown to reddish brown in colour. |
Fruit Description |
A squat acorn (3 cm) often solitary or in pairs and takes two years to reach maturity. |
Texture Description |
Medium. |
Notable Specimens |
Caerhays Castle, Goran, Cornwall, United Kingdom. |
Propagation |
By seed. |