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.
Oval or Rounded Shape.
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. Brown. Flowers in Spring. Has separate male and female flowers 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." 1995-2019. Oct 17, 2019.
< https://selectree.calpoly.edu/tree-detail/quercus-acuta >