Flowers:
Purple (Showy blue-violet fragrant pea-like flowers in May )
Foliage:
Green (Green, pinnately compound foliage in the summer); Yellow (Fall color not reliable)
Fruit:
Brown (Velvety pubescent pods; not ornamentally important)
Soil:
Widely adapted to different soils
Diagnostic Characteristics:
Leaves are alternate and pinnately compound with 7-13 leaflets. Flowers are on 6-12" long racemes from lateral spurs and are more blue-violet than Wisteria floribunda, but less fragrant.