Amethyst Falls Wisteria Vine - Live Plant - Quart Pot Blooming its first season with fragrant, vividly purple flowers on 4- to 6-inch racemes that appear in spring and repeat all summer Its bloom also arrive about two weeks later in the season than others, so late-winter frosts seldom affect flowering It can also be trained as a free-standing tree - tie it to a sturdy 5- or 6-foot stake and prune the top to encourage branching mature height ( 20-30 feet ) -- mature width ( 4-6 feet ) -- exposure ( full sun to partial shade ) -- hardiness zones ( 5-9 ) Ships in a Quart pot -- we can not guarantee flowers at time of purchase -- may ship dormant when ordered from November thru April