Wisteria 'Black Dragon'
Wisteria 'Black Dragon', also referred to as Wisteria Yae-Kokurya, boasts striking double flowers in deep purple and white with a musky scent. These gorgeous blooms can be enjoyed from late May to June, while the foliage transforms from pale bronze to green and finally to bright yellow in autumn. For optimal flower production, place this vine in a sunny location.
Caution: This plant is harmful if ingested.
Flowering time: May - June
Height: 9m
Frequently Asked Questions
When is the best time to plant wisteria in the UK?
Autumn or spring are both suitable, as long as the soil isn’t frozen or waterlogged. Planting in autumn often helps roots settle before the next growing season.
How often should I prune wisteria for reliable flowering?
Most gardeners prune twice: once after flowering in summer, then again in late summer to keep shoots tidy and encourage flower buds for next year. Regular pruning also helps control spread and keeps it manageable on walls and trellis supports.
Why isn’t my wisteria flowering yet?
Common causes include too much shade, over-feeding, or the plant still getting established, especially in its early years. Also check whether it’s grafted (often flowers sooner) or grown from seed (can take much longer to bloom).
Will frost damage wisteria in winter?
Wisteria is generally hardy, but late frosts can sometimes nip young shoots or buds in early spring. A sheltered position and avoiding overly early soft growth (from high feeding) helps reduce risk.