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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 is a climbing plant that produces stunning blue, purple, pink, rose, yellow and white flowers all summer and into the fall. Certain cultivars can grow up to 20 feet (6.1 m) tall and live for over 80 years.Clematis require full sun on its blooms and cool shade over the roots in order to thrive.lematis will not grow unless they have a vertical structure to climb. During the first year, the support that came with the clematis will be sufficient for the plant's needs, but after that you'll need to provide a larger support, like a trellis or arbor, to encourage it to grow bigger.