Clematis tangutica
'Bill MacKenzie'
Clematis tangutica ‘Bill Mackensie’
Yellow lantern-shaped flowers followed by ornamental silky seed heads. Flowers and seed heads co-exist to beautiful effect. Jul – Nov. Vigorous grower. 10-15′ long. The best of the tangutica cultivars. Sun to part shade. For best growth, keep roots cool. Needs support. Attracts butterflies. Zone 4.