General Plant Information (Edit)
Plant Habit: Shrub
Vine
Life cycle: Perennial
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Wet
Wet Mesic
Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 15 to 25 feet long vine
Leaves: Deciduous
Fruit: Dehiscent
Other: 3 to 5 inch long flattened brown pods containing numerous, oval brown seeds.
Fruiting Time: Summer
Flowers: Showy
Fragrant
Blooms on new wood
Flower Color: White
Other: 8 to 12 inch long racemes of small white flowers.
Bloom Size: Under 1"
Flower Time: Spring
Late spring or early summer
Dynamic Accumulator: Nitrogen fixer
Wildlife Attractant: Bees
Butterflies
Resistances: Deer Resistant
Humidity tolerant
Toxicity: Other: Pods and seeds are poisonous
Pollinators: Various insects
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Miscellaneous: Monoecious

Image
Common names
  • American Wisteria
  • Wisteria

Photo Gallery
Location: National Botanical Garden, DC, Virginia :) | May, 2022
Date: 2022-05-28
Location: Jenkins Arboretum in Berwyn, Pennsylvania
Date: 2019-05-26
vine (liana) on fence
Location: Jenkins Arboretum in Berwyn, Pennsylvania
Date: 2019-05-26
leaves and white bloom

Photo courtesy of Brushwood Nursery
  • Uploaded by Joy
Location: Jenkins Arboretum in Berwyn, Pennsylvania
Date: 2019-05-26
white flower clusters
Comments:
  • Posted by ILPARW (southeast Pennsylvania - Zone 6b) on May 30, 2019 6:52 PM concerning plant:
    The Kentuck Wisteria was considered as a separate species classified as W. macrostachys, but in more recent times it is considered as a variety of the American Wisteria (W. frutescens). This Kentucky Wisteria (W. frutescens macrostachys) has its pea-like flowers in more spike-like 8 to 12 inch raceme clusters and its compound leaves have about 9 leaflets and its pods are a little longer of 3 to 5 inches and are often twisted. The American Wisteria has its pea-like flowers in a more compressed raceme flower cluster of 4 to 6 inches long with 9 to 15 leaflets, and pods about 2 to 4 inches long. This cultivar of 'Clara Mack' has white flowers instead of lilac purple and was introduced to the nursery trade by Woodlanders in Columbia, South Carolina and named after a gardener in that city.

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