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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.
Clematis are one of the most coveted perennials of gardeners and landscapers alike. With a vast array of bloom sizes, flower colors, and bloom times it's easy to see why Clematis has become one of our best selling perennials.lematis Pruning. 1  Clematis cultivars in this group flower on the previous season's growth. 2  Generally, they can be left unpruned. 3  If pruning is necessary, wait until the flowering is completed and remove only the weak or dead stems.