Plant types

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Planting conditions

Seasonal interest

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Helianthus angustifolius

Also Known As

Hardy Sunflower
Swamp Sunflower

Plant type

perennial

size

H: 3'-6'
W: 2'

planting zones

6a-9b

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Helianthus angustifolius plant details

Helianthus angustifolius is a broadleaf deciduous perennial with green foliage. In fall and summer yellow flowers emerge. Attracts bees and butterflies making it an excellent addition to pollinator gardens. Grows well with sun and even moisture - regular water. Does well in rich and well-drained soil. A good option if you're seeking something verticillium wilt resistant.

CHARACTERISTICS OF Helianthus angustifolius

Plant type: perennial
Plant family: asteraceae
Foliage: deciduous green
Mature size: 2 FT wide, 3 FT - 6 FT - tall
Flowers: yellow blooms in fall and summer
Uses: border plant, cottage garden, cutting garden

GROWING CONDITIONS for Helianthus angustifolius

USDA Zones: 6a - 9b
Sun exposure: sun
Watering frequency: even moisture - regular
Resistant to: deer, verticillium wilt
Soil needs: rich and well-drained

Nursery contributed plant descriptions

Upright perennial to 6' bearing dark green glossy leaves and golden-yellow flowers that resemble small sunflowers. Plants bloom most heavily in autumn and naturalize in sunny areas with moisture-retentive soil. Provide regular garden water. Hardy to 0F. Southeastern North America.