Wisteria floribunda
Japanese Wisteria
4
Japan

Woody vine
30 feet or more

Usually fragrant - open progressively from the base towards the tip, not all at once as do those of Chinese Wisteria, Wisteria sinensis. The standards of the flowers are whitish, the keel and wings cobalt-violet.

Late May
Alternate compound leaves from 10 to 15 inches long, 13-19 leaflets in each leaf.
 
 
Twines clockwise, somewhat angled, light tan or brown changing to gray-brown, 2 spine-like projections at the top sides of the leaf scar.
 
Hardiest of the wisterias
 
  • alba - flowers white, moderate fragrance and dense cluster
  • 'Beni fugi' -flowers light reddish violet to violet, fragrance fair
  • 'Geisha' - flowers violet to bluish violet, fragrance moderate
  • 'Kuehi Beni' - flowers pinkish white giving a slightly faded appearance, fragrant
  • 'Longissima' - flowers reddish violet to violet.
  • 'Nags Noda' - flowers reddish violet to violet fragrance excellent
  • 'Rosea' -flowers light pink, excellent fragrance
  • 'Shiro Noda' -listed as having racemes 24-30 in. long flowers white, moderate fragrance.
This is an excellent vine for use over patios or on large structures such as pergolas. The vine can get quite heavy over time so the support needs to be solid. Since it lives a long time, wooden supports need to be made of rot resistant wood so they do not crumble under the stress.
Named in honor of Dr Caspar Wistar even though the spelling is slightly different. It was introduced to the United States from Japan in about 1830.

 

 
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