Prune occasionally early spring to train and increase flower production. When planting, the plant's crown should be set 2 inches below the soil surface. Give the plant immediate support, such as a bamboo stake, so the brittle stems won't break. Sweet Autumn clematis, or Clematis dioscoreifolia robusta, is a vigorous vine with fragrant white flowers appearing late August-September. Virginis bower, or C. Virginiana, has masses of small white flowers in late summer.
Young foliage displays bronze color.
Will Godwin, blue flowers. Vino, fuschia flowers. Fireworks, red flowers. Comtesse de Bouchard, large silvery-rose pink blooms with pale yellow stamens from summer to autumn. Ernest Markham, large magenta-pink flowers June to September.