Blue Moon Wisteria
Wisteria macrostachya 'Blue Moon'
Height: 6 - 9m (20 - 30 FT.)
Spread: 4 - 6m (13 - 20 FT.)
Abundant, 25-30cm, deep lavender-blue racemes bloom in mid-summer, on mature plants. May repeat if deadheaded. Requires strong support structure, moist, well-drained soil and sunny location. Very hardy - claims made to -40 C. All parts including seeds poisonous if ingested.