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 Calycanthus floridus

Common Name:
Carolina Allspice, Common Sweetshrub

Growth Rate:
12-24" per year.

Average Mature Height:
6-9'

Average Mature Width:
6-12'

Flower Details:
Dark reddish brown, maroon to almost red. Up to 2" across when fully open. Very fruity fragrance. Peak bloom in May and flowering sporadically into June and July. Flowers on current season's growth.

Fruit Details:
Urn-shaped, leathery, wrinkled, brown receptacle, 2-3" long; somewhat capsule-like at maturity, September-October and persisting through winter.

Fall Color:
Yellowish. Not outstanding; leaves may persist late (November)

Bark Details:

Disease / Insect Problems or Resistance:
Very resistant.

Native Habitat:
Virginia to Florida. Introduced in 1726.

Other Features:
Fragrance described as sweet strawberry-banana-pineapple mix. Great variation in flower odor and it is best to smell before buying. Prolific suckering habit.

Culture and Care:
Easily transplanted, adaptable to many soils, preferably a deep, moist loam; shade or sun, but does not grow as tall in sun as in shaded places; prune after flowering; adapts to acid and alkaline soils.

This plant was blooming:
4/30/2007 - 5/2/2007
4/22/2005 - 5/6/2005

Plantings of this cultivar at Boone County Arboretum:
Bed 201

    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