Wisteria floribunda 'Multijuga'

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Wisteria floribunda 'Multijuga'

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Kemper Code: G310

Common Name: Japanese wisteria
Zone: 4 to 9
Plant Type: Vine
Family: Fabaceae
Missouri Native: No
Native Range: None
Height: 10 to 25 feet
Spread: 4 to 8 feet
Bloom Time: May
Bloom Color: Violet
Sun: Full sun
Water: Medium
Maintenance: High

Plant Culture and Characteristics

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Where is this species invasive in the US?

Uses:		Wildlife:	Flowers:	Leaves:	Fruit:
Hedge	Suitable as annual	Attracts birds	Has showy flowers	Leaves colorful	Has showy fruit
Shade tree	Culinary herb	Attracts	Has fragrant flowers	Leaves fragrant	Fruit edible
Street tree	Vegetable	hummingbirds	Flowers not showy	Good fall color	Other:
Flowering tree	Water garden plant	Attracts	Good cut flower	Evergreen	Winter interest
Gr. cover (<1')	Will naturalize	butterflies	Good dried flower		Thorns or spines

General Culture:

Best grown in acidic, moderately fertile, medium moisture, well-drained soils in full sun. Best flowering in full sun. Needs a sturdy support structure on which to grow. Can be invasive (rampant growth plus rooting surface runners). Needs regular pruning to control size and shape of plant. Can be slow to establish.

Noteworthy Characteristics:

This Japanese wisteria cultivar is a woody, clockwise-twining, deciduous vine which typically grows 10-25' (sometimes larger). Can also be trained as a multi-stemmed shrub or small tree. Features bright green, 12-16" long, compound pinnate leaves (each with 15-19 leaflets) and 1.5-3' long drooping clusters (racemes) of fragrant, pea-like, violet flowers which bloom from the base of each cluster to the tip in May as the leaves emerge. Flowers give way to pendant, velvety, bean-like seed pods (to 6" long) which ripen in autumn and may persist into winter. 'Macrobotrys' is synonymous with 'Longissima'.

Problems:

Though susceptible to a number of foliage-chewing insects and fungal diseases, none are significant. Considered a high maintenance plant, however, because of its need for regular pruning, its invasive tendencies which must be constantly monitored (particularly if grown on structures adjacent to buildings) and its vulnerability to late spring frost damage to flower buds.

Uses:

Excellent vine for large, sturdy, free-standing arbors, pergolas or fences. Can be grown up the side of buildings on large trellises or other structures. May be trained as a specimen shrub or tree.