Beautiful, fragrant, lavender-blue racemes bloom in June on new growth. 'Summer Cascade' is more reliably cold hardy than other wisterias.
Scientific Name: Wisteria macrostachya 'Betty Mathews'
Hardiness Zone: 4
Height: 15-20'
Foliage Color: Green
Flower Color: Blue
Fruit: Insignificant
Bloom Time: June