Wisteria floribunda 'ALBA'

Wisteria floribunda
Wisteria floribunda  'ALBA'
japanese wisteria
SIZE/TYPE vine
USUAL HEIGHT 8-10m
USUAL WIDTH
LEAVES deciduous broadleaf
COLOUR OF LEAVES light green
FLOWERS showy
COLOUR OF FLOWERS white
BLOOMING TIME May - June
LOCATION full sun
USDA zone (lowest) 5   (down to -29°C)
WINTER PROTECTION  
FOR ZONE 5+6 Code of winter protection zone 5+6
FOR ZONE 7 Code of winter protection zone 7
BELONGS TO CATEGORIES Deciduous broadleaf
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Alba is a variety of Japanese wisteria. It has extremely long racemes of pure white flowers that appear in early May along with leaves or after they have emerged. The racemes can be 50-70 cm long and are followed by long seed-pods hiding poisonous seeds. Pinnate leaves look rather exotic and densely cover the plant and its support from the ground level. They are light green.

The support is necessary even for tree forms because the wood of this climber remains very flexible for many years. The plants flower mainly on short spurs so cut back unwanted side branches to 2-3 buds to encourage formation of flowering spurs.

It needs moist, acidic soil. Young plants require a sheltered place, mature plants (and those with a stem) are fully hardy to -29°C (USDA zone 5).

Last update 26-01-2009
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GLOSSARY
  • STANDARD QUALITY - Plants of this group are 1st class quality with number of branches and overall density adequate to their size and age, considering they were container grown.
  • DE LUXE QUALITY - This label guarantees a luxurious quality of manually selected plants that, compared to their height and age, are exceptionally dense and beautiful.
  • EXTRA - These plants are usually mature and bigger specimens with exceptional overall appearance.
  • STANDARD (as described in the plant form) means a tree with a trunk of 190-210 cm and a crown at the top, unless specified differently. The commercial size for trees is their girth measured in the height of 1m from ground.
  • HOBBY - These plants are of the same quality as our standard-quality plants but younger and therefore cheaper.
  • SHRUB - a woody plant with branches growing bushy from the ground level.
  • HALF-STANDARD or MINI-STANDARD - a small tree with shorter trunk, its size is usually specified.
  • FEATHERED - These are trees with branches growing already from the base of the trunk and up along the stem.
  • GRASSES and PERENNIALS - Sizes given usually read the diameter of the pot or the clump, as specified.
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