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 Spiraea japonica 'Alpina'

Common Name:
Alpine Japanese Spirea

Growth Rate:
Moderate

Average Mature Height:
1-3'

Average Mature Width:
4-6'

Flower Details:
Small 0.5-1" pale pink flowers in May-June. Mild fragrance.

Fruit Details:
Dry brown follicles through winter.

Fall Color:
Not ornamentally important.

Bark Details:

Disease / Insect Problems or Resistance:
Fireblight, leaf spot, powdery mildew.

Native Habitat:
Of garden origin, documented in 1879 Japan. Sometimes listed as 'Alpina' or 'Nana', and is probably same as 'Nyewoods'

Other Features:
Cascades over walls and can be used as ground cover. Showy flowers contrast well with small bluish-green finely textured leaves. Retains old seed heads and can look ragged in late summer. Drought tolerant.

Culture and Care:
Full sun to light shade; well-drained soil. Does not come true from seed, transplant from containers.

This plant was blooming:
5/21/2010 - 6/21/2010
8/17/2007 - 8/31/2007

Plantings of this cultivar at Boone County Arboretum:
Bed 107

    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