Wisteria frutescens Longwood Purple

Wisteria frutescens 'Longwood Purple' or American Wisteria is slower growing than the well known Chinese and Japanese varieties, making it the better choice for the smaller garden.

This non-evergreen climbing plant with rich green leaves bears clusters of rich purple, pea-like flowers in late spring and early summer and can repeat flower as late as September.

'Longwood Purple' in a 3L pot with 120cm cane
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'Longwood Purple' in a 5L pot with 1.8m cane
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How to grow

This delightful climber is best grown against a sunny wall side, trellis, pergola or arch.

Longwood Purple characteristics


  • Attractive features: Scented flowers
  • Gardening skill: Average
  • Flowering duration: Long
  • Height after 10 years: 3m-5m / 10ft-16ft
  • Growth habit: Climbing
  • Spread after 10 years: 4m-6m / 13ft-20ft


  • Cold hardiness (RHS): H5 (to -15C)
  • Cold hardiness (USDA): (7) 0F / -18C


  • Flowering month: April
  • Flower form: Single flower (5-8 petals)
  • Annual cycle: Deciduous