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A stunning herbaceous clematis that has deep foliage that begins deep purple and ages to grey green. This non-vining, shrubby perennial reaches 3-4 feet tall by 2-3 feet wide, though this width is assuming you stake it or surround with sturdy neighbors to keep it upright, otherwise it will sprawl in an open, loose manner. Early summer brings masses of small, starry white flowers. Plant in full sun for the darkest purple foliage.
Minimum temperature: -40° F