Helianthus angustifolius

Plant Name Swamp Sunflower
Scientific name Helianthus angustifolius
Family Asteraceae
Location 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



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

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