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

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Cultural Details for Acer platanoides 'Royal Red'

Common Name:
Royal Red Norway Maple

Growth Rate:
Slow, 2.6' per year over a 10 year period.

Average Mature Height:
40'

Average Mature Width:
30'

Flower Details:
Clusters of maroon-yellow flowers appearing in spring before the leaves

Fruit Details:
Abundant samaras maturing September-October; 1.5-2" long; glabrous

Fall Color:
Dark red or brown

Bark Details:

Disease / Insect Problems or Resistance:
Severe Leaf Scorch and borers.

Native Habitat:
Zones 5-8

Other Features:
Similar to Crimson King but hardier; glossy, dark maroon foliage in summer, turning darker or browning out in fall

Culture and Care:
Easy to transplant, grow in moderately moist soil in full sun; can be rooted from softwood cuttungs or grown from seed.

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:
2710, 2740

    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. www.ces.ncsu.edu
  • University of Connecticut Plant Database. www.hort.uconn.edu