Helianthus decapetalus / Thinleaf sunflower


A cool-yellow perennial sunflower that thrives in moist and wet shade, found wild along forest streams, rivers and the edges of swampy woods. Attractively colonial, it makes a long-blooming ornamental and a great source of small sunflower seeds for seed-eating birds. Larval host for painted lady butterfly.

Height: 3′ – 6′        Blooms: August, September

Habitat: Moderately to poorly drained soil, part sun to shade. Tolerates well-drained soils.

Provenance: NJ



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