Boone County Arboretum
9190 Camp Ernst Road
Union, Kentucky 41091
Phone: (859) 384-4999
Fax: (859) 384-6888

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Cultural Details for Acer palmatum

Common Name:
Japanese Maple

Growth Rate:
Medium 10-15' over a 10 year period.

Average Mature Height:
15-25', a great variation in this species due to large # of cultivars.

Average Mature Width:

Flower Details:
Small red to purple, arching pendulous in May-June. Emerges with new leaves of season.

Fruit Details:
Samara .50-.75" long, wings .25-37". Ripens September- October.

Fall Color:
Yellow, bronze, orange, purple and red.

Bark Details:
Young stems very green to polished reddish-purple and red, older graycast.

Disease / Insect Problems or Resistance:
Few. A canker on young propagates caused by Colletotrichum acutatum.

Native Habitat:
Zones 5-8, Japan, China and Korea introduced to England in 1820.

Other Features:
Due to the tremendous number of cultivars research of each cultivar is required.

Culture and Care:
Transplants balled and burlapped prefers well drained, moist, high organic matter soil.

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:

    The information on this page may have come from one or more of the following sources:
  • Dirr, Michael. Manual of Woody Landscape Plants. Stipes Publishing. 1998.
  • Hightshoe, Gary L. Native Trees, Shrubs, and Vines for Urban and Rural America. John Wiley & Sons. 1988.
  • North Carolina Extension Plant Fact Sheets.
  • University of Connecticut Plant Database.