SelecTree: Tree Detail
Photo Locations: Longwood Gardens - Kennette Square, PA, Washington Park Arboretum - Seattle, W, Strybing Arboretum - San Francisco, CA, Hoyt Arboretum - Portland, OR, UC Berkeley Botanic Garden, the National Arboretum - Washington, DC, and San Diego, CA
Utility friendly tree.
Kousa Flowering Dogwood is an unusual flowering accent tree, requiring loose, fertile soil and moderate moisture. It blooms later than Cornus florida, after the leaves are fully developed, and is smaller. It generally is planted in semi-shaded conditions, but will often tolerate full sun in lawns. It has an attractive branching structure, strong pronounced fall color and showy fruit. Its height generally remains below 25'.
Has fragrant Flower.
Native to Japan and Korea.
Spreading with a Low Canopy.
Spreading or Vase Shape.
Has Deciduous foliage.
Height: 20 - 25 feet.
Width: 15 - 20 feet.
Growth Rate: 24 Inches per Year.
Longevity 50 to 150 years.
Leaves Oval, Green, Red or Orange, Deciduous.
Flowers Showy. Fragrant Cream or White. Flowers in Spring. Has perfect flowers (male and female parts in each flower).
Prolific, Red Drupe, Small (0.25 - 0.50 inches), fruiting in Fall or Winter.
Bark Dark Gray, Light Gray, Light Green or Red Brown, Exfoliating or Mottled.
Shading Capacity Rated as Moderate in Leaf.
Shading Capacity Rated as Low out of Leaf.
Litter Issue is Wet Fruit.
Tree Site Conditions & Constraints
Sunset Zones 2 - 9 and 14 - 17.
USDA Hardiness Zones 5 - 8.
Exposure Partial Shade to Full Shade.
Clay or Loam Texture.
Highly Acidic to Slightly Alkaline Soil pH.
Seaside Tolerance is Not Suited.
Pests & Disease Information
Resistant to Verticillium. Susceptible to Scales, Anthracnose, Phytophthora and Root Rot.
Health, Safety & Environmental Concerns
Branch Strength Rated as Strong.
Root Damage Potential Rated as Low.
None Known Health Hazard.
Desirable Wildlife Plant.
Special Uses & Values
Cite this tree:
SelecTree. "Cornus kousa Tree Record." 1995-2020. Aug 14, 2020.
< https://selectree.calpoly.edu/tree-detail/cornus-kousa >
SelecTree Nursery Connection Map
Cal Poly / ESRI