The Clematis Vienetta, 'Clematis Vienetta TM Evipo006 (N)', is a knockout clematis that is smothered in stunning white flowers with large pom-pom centers frosted in blackberry purple. This clematis is especially floriferous when grown along a horizontal trellis like a fence or banister. The Vienetta will begin blooming in late spring. It is hardy in zones 4-9. ... more info