Everything about Wisteria Frutescens totally explained
American Wisteria (
Wisteria frutescens) is a
woody,
deciduous,
perennial climbing
vine of the
Fabaceae family. It is native to the wet forests and stream banks of the southeastern
United States, with a range stretching from the states of
Virginia to
Louisiana and extending southeast through
Florida.
American Wisteria can grow up to 15m long over many supports via powerful clockwise-twining stems. It produces dense clusters of blue-purple, two-lipped, 2-cm-wide flowers on
racemes 5-15cm long in late
spring to early
summer. These are the smallest racemes produced by any member of the Wisteria family. Though it has never been favored in many
gardens for this characteristic, many
bonsai artists employ American Wisteria for its manageably-sized flowers.
The foliage consists of shiny, dark-green,
pinnately compound leaves 10-30cm in length. The leaves bear 9-15 oblong
leaflets that are each 2-6 cm long. It also bears numerous
poisonous, brown, bean-like seed pods 5-10cm long that mature in summer and persist until winter. American Wisteria prefers moist soils. It is considered shade tolerant, but will flower only when exposed to partial or full sun. It grows best in
USDA plant hardiness zones 5-9.
Several characteristics distinguish American Wisteria from its Asian counterparts. It grows only two-thirds as tall, its racemes are half as long (the shortest of the Wisteria family), and its bloom time is sometimes shorter than many Asian varieties. Its flowers are not scented, and its seed pods are smooth rather than velvety. Its most redeeming feature is the fact that it's much less invasive that its Asian counterparts, especially the beautiful but ruthless
Chinese Wisteria (
Wisteria sinensis). American Wisteria is very similar to
Kentucky Wisteria (
Wisteria macrostachya).
Further Information
Get more info on 'Wisteria Frutescens'.
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