The hardy ‘Summer Cascade’ wisteria was bred from a hardy strain of Kentucky wisteria and first known as ‘Betty Matthews,’ after a White Bear Lake resident in whose yard it grew. It blooms on new growth in June. Individual flowers are borne on long showy racemes and open as a lovely shade of dark lavender before fading. This beautiful flowering vine thrives in full sun, and can easily cover an arbor or pergola to create a shady retreat. An interesting seed pod in late summer provides multi-season interest.

Carefully consider where to place a new wisteria. It can be an aggressive grower that develops a heavy wood structure of its own. Supports such as a fence, arbor or trellis must be able to accommodate that weight. Once established, new canes can grow up to 10 feet in a summer. Routine pruning several times throughout the growing season will restrain its size and promote blooms.

U of M Wisteria (Wisteria macrostachya) Variety

Image Variety Year Flower Color Features Plant Size
'Summer Cascade' Wisteria. Summer Cascade 2013 Lavender Cascading 10-12" bloom clusters 15-25' vine

Know to Grow

'Summer Cascade' blooms on new growth in June and can grow to 20 feet with sturdy, twining stems. Plant in full sun and prune two or three times throughout the summer to prompt blooms. It is proven hardy to Zone 3.