Helianthus angustifolius

Swamp Sunflower

  • Upright clumping perennial wildflower.
  • Leaves are bright green thick and glossy.
  • In autumn clouds of golden daisies attract drifts of migrating butterflies.
  • Golden brown seed clusters follow and remain into winter to feed the birds.
  • Plants reach 6’ or taller in sunny or partly sunny moist sites.

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Foliage Color
Sun/ Part Shade
Clump forming
Critter Resistance
Deer Resistant
Soil Moisture
Moist, Well Drained
Wet Soil/Wetlands
Season of Interest (Flowering)
Additional Information about Helianthus angustifolius

This is the latest flowering of the sunflowers.  Flowering begins in September or October and continues until frost.  The starry daisies are particularly striking against the intense blue October sky.

Habitats include floodplains, open bottomland forests, swamps, bogs, wet meadows, savannas, coastal salt marshes, wet flatwoods, pine barrens, roadsides, ditches and disturbed wet areas.