Wisteria frutescens
An American native, deciduous climbing vine prized for its graceful form and fragrant lilac-purple blooms in spring, with more restrained growth than Asian relatives, tolerance of poor soils, and the ability to support pollinators while serving as a larval host for certain skipper butterflies.
Common Names
American Wisteria, Kentucky Wisteria, Texas Wisteria, Amethyst Falls
Summary
Wisteria frutescens, native to the eastern United States, is a deciduous woody climber that reaches about 15–30 feet in height and 4–8 feet in width, twining counterclockwise around supports. It features compound leaves with 9–15 leaflets and fragrant pea-like flowers in pendulous lilac-purple racemes about 4–6 inches long, followed by 2–5 inch seed pods.
For cultivation, it prefers full sun to partial shade and moist, well-drained soil that is slightly acidic; hardy in USDA zones 5–9. Regular pruning after flowering helps control size and encourage flowering, and propagation is possible by seeds or softwood cuttings (cuttings establish bloom more quickly). It can be trained on arbors, pergolas, walls, fences, or other sturdy supports, tolerates drought and occasional flooding, and is deer resistant, making it suitable for native or pollinator-focused landscapes.
Lifecycle
Perennial
Height
180-360 inches
Spread
4-8 feet
Hardiness Zones
Zones 5-9
Sunlight Requirements
Ideally Full Sun; tolerates Partial Shade (about 2–6 hours of direct sunlight).
Soil Type
Moist, well-drained, fertile soil
Soil Drainage
Moist but well-drained soil
Soil pH
6.0-7.5, Slightly acidic to neutral
Bloom Color
Blue to lavender/purple, with some cultivars white
Bloom Time
Spring to Summer
Foliage Color
Green, turning to golden-yellow in autumn
Fall Foliage Color
Yellow to golden autumn foliage
Leaf Lifecycle
Deciduous
Growth Rate
Moderate growth rate
Seasons of Interest
Spring, Summer, and Fall.
Propagation Methods
Seeds, Cuttings, Layering, Grafting
Attracts Wildlife
Attracts bees and other pollinators
Attracts butterflies
Attracts birds
Taxonomy
- Taxonomic Rank
- Species
- Author
- (L.) Poir.
- Publication
- Tabl. Encycl. 3: 674 (1823)
Superior Taxa
- Kingdom
- Plantae
- Subkingdom
- Pteridobiotina
- Phylum
- Angiosperms
- Order
- Fabales
- Family
- Fabaceae
- Subfamily
- Papilionoideae
- Genus
- Wisteria
Inferior Taxa
Wisteria frutescens subsp. frutescens Wisteria frutescens subsp. macrostachya
Synonyms
Kraunhia frutescens Kraunhia macrostachya Bradlea macrostachya Glycine frutescens Wisteria speciosa Apios frutescens Phaseolus frutescens Bradlea frutescens Phaseoloides frutescens Glycine caerulea Thyrsanthus frutescens Kraunhia frutescens