Boone County Arboretum
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Union, Kentucky 41091
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Cultural Details for Spiraea x bumalda 'Crispa'

Common Name:
Crispa Bumald Spirea

Growth Rate:

Average Mature Height:
2-3' (4-5')

Average Mature Width:

Flower Details:
Bright pink-red, June into August, borne in flat-topped corymbs 4-6" diameter on new growth. Mid to late May, often sporadically thereafter.

Fruit Details:
Dry, brown follicle is not ornamental, maintained through winter. Remove after flowering to induce new growth and resultant flowers.

Fall Color:
Often turning bronzy red to purplish in fall, seldom spectacular.

Bark Details:
Stem brown, slightly angled in cross section, somewhat lined or ridged, glabrous

Disease / Insect Problems or Resistance:
Fireblight, bacterial hairy root, leaf spot, powdery mildews, root rot, spirea aphid, oblique-banded leaf roller, scales, caterpillars and root-knot nematode. However, it is difficult to absolutely kill a spirea.

Native Habitat:

Other Features:
Leaves slightly twisted and deeply incised with yellow-green variegation.

Culture and Care:
Largely container-grown, easy to transplant. Tolerant of most soil types other than extremely wet. Develops chlorosis in alkaline soils. Suckers from the roots. Prefers full sun. Zones 3-8

This plant was blooming:
5/21/2010 - 7/2/2010
8/17/2007 - 8/31/2007

Plantings of this cultivar at Boone County Arboretum:
Bed 108

    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.