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Varieties. 1  Clematis (cirrhosa) 'Freckles' - Attractive largish fragrant cream bell shaped flowers (to 2 inches or 5cm) flecked with pink to reddish/brown spots or 'freckles' appear from late summer through to winter. 2  Foliage is a handsome dark green fern like foliage. 3  Clematis cirrhosa var.
Large-flowered clematis tend to have lightweight vines. Clematis (Clematis spp.) is a genus so varied that a gardener could fill every available garden space with creeping, climbing or sprawling vines and not have two alike.weet autumn clematis (Clematis terniflora), on the other hand, has tiny white flowers on aggressive vines that reach 15 feet tall with a spread of up to 6 feet in USDA zones 5 through 11. It requires a sturdy structure such as a fence, wall or pergola.