Wisteria, Kentucky (Wisteria macrostachya)-Hort Answers - University of Illinois Extension
University of Illinois Extension

University of Illinois Extension

Hort Answers

Vine

Wisteria, Kentucky
Wisteria macrostachya

Flowers of Kentucky Wisteria
Flowers of Kentucky Wisteria
 
Features
Hanging clusters of lilac purple flowers in late spring. 
 
Culture
Full sun. This vine needs a deep, moist, well drained soil. 
 
Cultivars
  • 'Clara Mack' has white flowers.
 
 
Mature Height
15-25 Feet
 
USDA Hardiness Zone
5 - 8 
 
Bloom Color
Blue
Lavender
 
 
Bloom Season
May - June
 
Soil Conditions
Moist, Well-Drained
Wet
 
 
Exposure/Light Requirements
Full Sun
 
 
Method of Attachment
Twining
 
 
Foliage Color
Green
 
 
Fall Foliage Color
Green
 
 
Pests and Problems

Environmental Damage


Additional pests and problems that may affect this plant:

Only occasional insect and disease problems.

 
Additional Notes

This vine is woody and deciduous.

Wisteria may not bloom for the first 5 to 10 years. To encourage flowering:

  • buy an older plant
  • use nitrogen sparingly
  • provide phosphorus
  • in summer, prune excess growth back to 1/3 to induce short spurs

 

 
Related Resources
Home, Yard & Garden Pest Guide
Illinois Commercial Landscape and Turfgrass Pest Management Handbook
U of IL - Distance Diagnosis through Digital Imaging
U of IL - Plant Clinic