Position: Full sun.
Soil: Moist or well drained, fertile soil.
Flowering Period: May - June.
Flower Colour: Dark, violet blue.
Rate of Growth: Vigorous.
Habit: Wisteria brachybotrys 'Okayama' grows to be a large climbing plant which requires support as it will not self-cling.
Height: 8 m (26 ft)
Spread: 8 m (26 ft)
Notes: Prolific flowering can be encouraged by pruning the branches of Wisteria brachybotrys 'Okayama' back to create stumpy spurs in August and February.