Boone County Arboretum
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Union, Kentucky 41091
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Cultural Details for Wisteria floribunda

Common Name:
Japanese Wisteria

Growth Rate:
Fast, as is true with most vines; will grow 10' or more in a single season once established

Average Mature Height:
30' or more, essentially limited by structure on which it is growing

Average Mature Width:

Flower Details:
Violet or violet-blue, on old wood on short leafy shoots, each flower ½ to ¾" long, on a ½ to 1" long pedicel, slightly fragrant, April-May, borne in slender, 8-20" long racemes, flowers opening from base to apex; flowers occasionally on new growth

Fruit Details:
Pod, brown, 4-6", October, persisting into winter, velutinous

Fall Color:
No fall color of any consequence

Bark Details:
On old trunks a grayish color, smooth and sometimes irregularly fluted

Disease / Insect Problems or Resistance:
Crown gall, leaf spots, stem canker, powdery mildew, root rot, tobacco mosaic virus, sweet potato leaf beetle, Japanese mealybug, citrus flata planthopper, fall webworm, black vine weevil and scale

Native Habitat:
Japan. Introduced 1830.

Other Features:
Excellent flowering vine, nice over patios, on large structures, or trained into a tree form; needs ample support and metal pipe is recommended; not the easiest plant to keep flowering and cultural practices must be fairly precise.

Culture and Care:
Hard to transplant, slow to establish; plant in deep, moist, well-drained loam; pH adaptable but does better at higher pH; use nitrogen sparingly as this promotes excess vegetative growth, cut back vigorous growth leaving only 3-4 buds, plant in full sun

This plant was blooming:
4/14/2010 - 5/24/2010
4/22/2005 - 5/6/2005

Plantings of this cultivar at Boone County Arboretum:
Bed 184

    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.