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 Kerria japonica 'Golden Guinea'

Common Name:
Golden Guinea Japanese Kerria

Growth Rate:
Somewhat slow growth rate when establishing, becomes fast with time.

Average Mature Height:
4-5'

Average Mature Width:
6-9'

Flower Details:
Bright yellow, 5 petals, larger than the species, 1.75-2" across. Blooms sporadically throughout the season.

Fruit Details:
Seldom seen, not showy

Fall Color:
Bright green to yellow, usually exhibiting little change in fall and holding late

Bark Details:
Slender, zig-zag stems are glabrous, glossy, and bright green.

Disease / Insect Problems or Resistance:
Leaf and twig blight, canker, leaf spot, root rot, very fertile soil will cause plant to grow weed like and produce less blooms

Native Habitat:
Sunny moist banks in Japan. Zone 4b-9.

Other Features:
Rich green foilage. Interesting free-flowering shrub that is tough and seems to withstand considerable abuse. Aggressive spreadder that may pose problems if planted in small confined areas.

Culture and Care:
Partial to full shade and out of the afternoon sun, prune after flowering, requires loamy, well-drained soil of moderate fertility. Suckers profusely. Slow to establish, though looser soils allow for faster the colonization.

This plant was blooming:
8/5/2010 - 8/20/2010
4/7/2010 - 5/19/2010

Plantings of this cultivar at Boone County Arboretum:
Bed 113

    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