A much smaller and slower growing version of wisteria. It will bloom at a very young age and within a few years, compact stems will reach just 10 to 15 feet high. It will eventually climb to the top of an arbor or pergola and spread out slowly. If lightly trimmed after its first flush of blue-purple blooms in spring, "Amethyst Falls" will bloom again in late summer. Zones 5-9, full sun to partial. 

Wisteria sinensis

Beautiful lavender blooms, fast grower, wonderful smell. Grows up to 30 ft or can be kept trimmed into an umbrella shape. Zones 5-10, sun to part sun.