SelecTree: Tree Detail
JAPANESE EVERGREEN OAK
Photo Locations: The National Arboretum - Washington, DC and Hoyt Arboretum - Portland, OR
Branches droop but resist breakage. Diseases and Pests not well studied.
Native to Japan, South Korea, Taiwan, and China.
Has Evergreen foliage.
Height: 20 - 30 feet.
Width: 15 - 20 feet.
Growth Rate: 12 to 36 Inches per Year.
Leaves Ovate, Green, No Change, Evergreen.
Flowers Inconspicuous. Green. Flowers in Spring. Has separate male and female reproductive parts on the same tree (monoecious).
Brown Acorn, Medium (0.50 - 1.50 inches), fruiting in Fall Wildlife use it.
Bark Brown or Dark Gray, Smooth.
Shading Capacity Rated as Dense to Very Dense in Leaf.
Tree Site Conditions & Constraints
Sunset Zones 7 - 9 and 14 - 21.
USDA Hardiness Zones 9 - 11.
Exposure Full Sun.
Well Drained Soil.
Clay, Loam or Sand Texture.
Acidic Soil pH.
Pests & Disease Information
Resistant to Verticillium. Susceptible to Armillaria.
Health, Safety & Environmental Concerns
Branch Strength Rated as Strong.
Root Damage Potential Rated as Low.
Wildlife use Fruit.
Special Uses & Values
Specimen, Shade Tree, Buffer Strip or Street Tree.
Cite this tree:
SelecTree. "Quercus acuta Tree Record." 1995-2020. Aug 9, 2020.
< https://selectree.calpoly.edu/tree-detail/quercus-acuta >