Swamp Sunflower

Helianthus angustifolius

Size: 1g availability

Flower
Max size: 6′ tall x 6′ wide
Average Size: 5′ tall x 5′ wide

Very Moist, Usually Moist
Clay, Loam, Sand
Sun, Part Shade
No salt tolerance

AKA: Narrow Leaf Sunflower

This yellow, short lived perennial blooms in the fall and reseeds readily and spreads by rhizomes. Plant where this is allowed.

It attracts many pollinators, over 50 species of butterfly and moth use this as a caterpillar host plant, including Great Leopard Moth, Isabella Tiger Moth, and Silvery Checkerspot (Chlosyne nycteis). Recorded specialized bees also use it; Andrena acceptta, Andrena aliciae, Andrena helianthi, Melissodes agilis, Dieunomia heeropoda, Megachile pugnata, and Paranthidium jugatorium.