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 Magnolia acuminata

Common Name:
Cucumbertree Magnolia

Growth Rate:
Medium to fast: 10-15' over a 4-6 year period.

Average Mature Height:
50-80'

Average Mature Width:
50-80'

Flower Details:
6 greenish-yellow petals 2.5-3" long, slightly fragrant, May-early June, some are self-fertile but most are not. Born solitarily and are often high in the tree, masked by the foliage.

Fruit Details:
Aggregate of follicles, pinkish red, October, briefly persisting, 2-3" long, looks somewhat like a small cucumber.

Fall Color:
Soft ashy-brown, somewhat attractive.

Bark Details:
Brownish or reddish brown, glabrous, small gray vertical lenticels; emits a spicy odor when bruised.

Disease / Insect Problems or Resistance:
Basically free from problems, though scale can occur now and then.

Native Habitat:
New York to Georgia, west to Illinois and Arkansas.

Other Features:
Excellent tree for a large property or a park; Trees appear pyramidal and compact in youth, but spread out dramatically as they age.

Culture and Care:
Transplant in early spring into a loamy, deep, moist, well drained, slightly acid soil in full sun or partial shade. Does not tolerate extreme drought or wetness. Transplant carefully; roots are few in number with few root hairs. Prune after flowering.

This plant was blooming:

Plantings of this cultivar at Boone County Arboretum:
435, 8420, 8430

    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