Imposing clump-forming perennial for any moist soil with large domed heads of purple-pink flowers on tall purple stems July-Sept. Ht to 2m.
Slightly more compact form with huge heads of rich pink-purple flowers July-Sept on strong dark purple stems. Ht to 1.6m. Large clump-forming perennial for moist soil
A more compact variety with flatter heads of dusky mauve-pink flowers on strong purple-flushed stems July-Sept. Ht to 1.2m on average. Any moist soil.
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