'C. 'Jackmanii'' clematis Description
Photo courtesy of Brigitta's garden in Pécel
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Group 3, Large-flowered, Late.
4 to 6 petals. Average diameter 4". Single, semi-nodding bloom form.
Height of 10' to 12' (305 to 365 cm).
USDA zone 3b through 9b. Plant in sun or partial shade. In early spring, cut back to just above the lowest set of healthy buds.