Helianthus angustifolius - Swamp sunflower

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Native Wetland Plants

Helianthus angustifolius

Swamp sunflower

More About Swamp sunflower

  • Sunflowers Sept. - Nov.
  • Vigorous grower in moist areas

Helianthus angustifolius, Swamp sunflower, is a narrow leaf perennial sunflower that will thrive in moist soil with full sun to part shade. Fairly inconspicuous fine textured attractive dark green leaves with maroon stems for most of the growing season, but eventually grows 5-6' tall with an explosion of 2-3" yellow flowers from September to November.  Swamp sunflower will attract many pollinators such as butterflies, bees, and birds.

Bloom Color

Yellow

Helianthus angustifolius Characteristics & Attributes

Exposure
• Sun
Mature Height
• > 4'
Spread Characteristics
• Clumping
Season of Interest (Flowering)
• Fall
Season of Interest (Foliage)
• Spring
• Summer
Pond Zonation
• Flood Plain - Upland
• High Marsh - Saturated Soil
Foliage Color
• Green
Wildlife Benefits
• Bees/Pollinators
• Butterflies
• Food
• Songbirds
Critter Resistance
• Deer Resistant
Wetland Indicator Status
• FAC
• FACW
Plant Type
• Bog/Marsh
• Flowering Perennial
• Marginal
Attributes
• Cut Flower
• Drought Tolerant
• Erosion Control
• Fibrous Roots
• Great Foliage
• Native
• Naturalizing
• Ornamental Flower
• Rain Garden
• Storm Water Basin
USDA Hardiness Zone
• 6
• 7
• 8
• 9
• 10