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NC Native Plant Society:
Plant Details

Helianthus angustifolius

Narrowleaf Sunflower, Swamp Sunflower

Scientific Name:

Helianthus angustifolius

Genus:

Helianthus

Species Epithet:

angustifolius

Common Name:

Narrowleaf Sunflower, Swamp Sunflower

Plant Type

Herb/Wildflower

Life Cycle

Perennial

Plant Family

Asteraceae (Aster Family)

Native/Alien:

NC Native

Invasive Status:

(*Key)

Size:

3-6 ft., 6-12 ft.

Bloom Color(s):

Yellow

Light:

Sun - 6 or more hours of sun per day

Soil Moisture:

Moist, Wet

Bloom Time:

August, September, October

Growing Area:

Mountains, Piedmont, Sandhills, Coastal Plain

Habitat Description:

Savannas, ditches, marshes, other wet habitats. Common to locally abundant in the Coastal Plain and Sandhills; common in the eastern Piedmont, but uncommon in the central and western Piedmont. Fairly common in the southern mountains but essentially absent in the central and northern mountains.

Leaf Arrangement:

Alternate, Opposite

Leaf Retention:

Deciduous

Leaf Type:

Leaves veined, not needle-like or scale-like

Leaf Form:

Simple

Life Cycle:

Perennial

Wildlife Value:

Important for Wildlife

Landscape Value:

Recommended and Available

State Rank:

S5: Secure (*Key)

Global Rank:

G5 - Secure (*Key)

Notes:

leaves commonly alternate except near the base

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Links:

USDA PLANTS Database Record



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