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 Asimina triloba

Common Name:
Pawpaw, Custard Apple

Growth Rate:
Medium

Average Mature Height:
15-20' (30-40' in favorable conditions)

Average Mature Width:
15-20'

Flower Details:
Lurid purple, 1-2" across; early to mid-May in Zone 5; borne singly. Six petals with outer 3 much larger than inner 3; flowers before or as leaves develop; 0.5-0.74" long pedicels not showy but interesting-seldom seen by uninitiated.

Fruit Details:
Edible, bloomy, greenish yellow berry finally turning brownish black, 2-5" long, of many shapes- elongated to rounded; banana-like taste with custard consistency, usually contains 2-3 1" long dark brown flattish to bean-shape seeds.

Fall Color:
Yellow to yellow-green

Bark Details:
Dark brown with grayish areas when young; becoming rough and slightly scaly with maturity.

Disease / Insect Problems or Resistance:
None serious

Native Habitat:
New York to Florida, west to Nebraska and Texas. Introduced 1736.

Other Features:
Raccoons in particular relish the edible fruit.

Culture and Care:
Somewhat difficult to transplant. Move as small (3-6') B&B/container plant into moist, fertile, deep, slightly acid (pH 6.1-8) soils. An understory tree that does well in full sun. Likes riverbottoms and rich hardwood forests but scraggly in heavy shade.

This plant was blooming:
4/14/2010 - 5/10/2010
4/2/2007 - 5/2/2007

Plantings of this cultivar at Boone County Arboretum:
Bed 196

    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