A hard-to-find variety, ‘Walter Pennell’ (1974), has unique semi-double mauve-pink flowers (with slightly darker bars) which are nicely contrasted by bright yellow stamens. Single blooms are produced in late August.

Flowers 6-8” wide / blooms May, June & Aug / grows 6-9’ tall (2-3m) / sun to part shade / Pruning Group B / USDA zone 4. 1-gallon pot.

📸 Clearview Horticultural Products