Rows of white flowers dangle above the fern-like foliage, opening in April and continuing intermittently until October.
Noteworthy Characteristics:Eastern U.S. native. Self-sows.
Care:Grow in fertile, well-drained, slightly alkaline soil in partial shade. Allow to self-sow.
Propagation:Sow seeds in a cold frame when ripe; divide in spring.
Problems:Slugs and snails can attack new foliage. Powdery mildew, rust, fungal leaf spot, and verticillium wilt.
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