Helianthus angustifolius

Photo Courtesy of K. Hubeny

Common Name(s) Swamp Sunflower
Scientific Name Helianthus angustifolius
Family Asteraceae
Location/Vegetative Zone Salt Marsh
Flowering Period Mid-fall through early-winter
Identifying Characteristics 6-10 feet tall, daisy-like yellow flowers



  • Perennial flowering plant
  • Leaves are green and 4-10 inches long, arranged opposite on the upper part of the stem and alternating near the base
  • Flowers are daisy-like in shape and yellow in color, growing 5-10 cm in diameter
  • They bloom in mid-fall through early-winter
  • Tubes vary in color from brown, white, red or purple



Medicinal Uses

  • Swamp Sunflower is a folk remedy for diabetes, due to the fructose content.

Cultural Uses

  • Ornamental throughout many cultures


Cornett, Peggy. “Swamp Sunflower”. Monticello. UNESCO. 2008. Web.

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