Clematis, Autumn ClematisAutumn Clematis is a fast growing semi evergreen perennial vine that can be used for climbing or a groundcover and has deep green foliage. Clusters of fragrant white pinwheel flowers coat the plant from late summer into fall and are followed by silky silver seedheads. Grows best with partial sun on the roots and full sun on the vines, moist well drained soils. Type: Perennial, Groundcover Height: 20' 30' Spread: 4 6' Spacing: 5 USDA Hardiness Zone: 3