Japanese wisteria

Wisteria floribunda

Wisteria floribunda
Photo/Illustration: 
Peter Lindtner
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Japanese wisteria (Wisteria floribunda)
wis-TEER-ee-ah floor-ih-BUN-dah
Genus:  Wisteria
Dramatic clusters of blue-violet to red-violet flowers with an intoxicating fragrance grace this vigorous twining climber. Its springtime cascading flower clusters can grow to 3 feet long or more in some cultivars. Blooms typically open first at the base and last at the tip of each cluster. Trunk diameter can reach 7 to 8 inches after 20 years, and the plant can climb to 35 or more feet in height, though its size is easily contolled by pruning.
Care:  Provide rich, well-drained soil with plenty of space. Wisteria needs strong support and can be trained as a tree, vertically on a wall or arbor, or horizontally on the ground. Growth can be restricted to a few limbs or allowed to spread vigorously to completely cover a wall. Early blooms can be damaged by freezing temperatures. Prune as needed when growth is active, but ideally in early, mid- and late summer. Can be difficult to get to bloom.
Propagation:  Not practical for most home gardeners.
Problems:  Dieback, crown gall, leaf spots, viral diseases, Japanese beetles, aphids, leaf miners, scale insects, and mealybugs.

Overview

Height
15 ft. to 30 ft.
Growth Habit
Spreads
Growth Pace
Fast Grower,
Invasive/Aggressive Grower
Light
Full Sun to Part Shade
Moisture
Medium Moisture
Maintenance
Moderate
Characteristics
Attracts Hummingbirds,
Fragrant Flowers,
Showy Flowers,
Showy Foliage
Bloom Time
Spring
Flower Color
Blue Flower,
Purple/Lavender Flower
Uses
Specimen Plant/Focal Point,
Trellis
Style
Cottage Garden,
Formal Garden
Seasonal Interest
Spring Interest
Type
Vines

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