SelecTree: Tree Detail

Photo Locations: National Arboretum - Washington, DC

See all Acer.

General Notes

Utility friendly tree.

Branches don't droop and resist breakage.

Family: Sapindaceae
Previously listed in the Aceraceae family.

Additional Common Names

RED LACELEAF JAPANESE MAPLE, ORNATUM JAPANESE MAPLE

Tree Characteristics

Rounded Shape.

Has Deciduous foliage.

Height: 10 - 20 feet.

Width: 10 - 15 feet.

Growth Rate: 12 to 24 Inches per Year.

Leaves Palmate, Green, Red or Orange, Deciduous.

Flowers Inconspicuous. Red. Flowers in Spring. Has separate male and female reproductive parts on the same tree (monoecious).

Red to Brown Samara, Medium (0.50 - 1.50 inches), fruiting in Summer.

Bark Green, Light Green, Light Gray or Red Brown, Furrowed or Smooth.

Shading Capacity Rated as Moderate to Moderately Dense in Leaf.

Shading Capacity Rated as out of Leaf.

Litter Issue is Dry Fruit and Leaves.

Tree Site Conditions & Constraints

Sunset Zones 2 - 10, 12 and 14 - 24.

USDA Hardiness Zones 6 - 8.

Exposure Partial Shade.

Well Drained Soil.

Clay, Loam or Sand Texture.

Acidic Soil pH.

Pests & Disease Information

Susceptible to Invasive Shot Hole Borer, Aphids, Scales and Borer, Armillaria and Chlorosis.

Health, Safety & Environmental Concerns

Branch Strength Rated as Medium.

Root Damage Potential Rated as Low.

Allergy Health Hazard.

Biogenic Emissions considered Moderate.

Fire Resistance is Favorable.

Not Deer Palatable.

Special Uses & Values

Screen, Container.

Bonsai.

Cite this tree:
SelecTree. "Acer palmatum 'Ornatum' Tree Record." 1995-2021. Jan 21, 2021.
< https://selectree.calpoly.edu/tree-detail/acer-palmatum-ornatum >

This tree is not part of the SelecTree Nursery Connection. If you would like to see this tree listed, or know of a nursery that sells it, please contact us at ufei@calpoly.edu.