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Helianthus angustifolius/Narrow-Leaved Sunflower

Helianthus angustifolius / Helianthus angustifolius
Typical mass of flowers in the fall
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Typical mass of flowers in the fall

Close-up of 2-3" flowers

This sunflower used in a garden setting

A mass of volunteer sunflowers adjacent to a highway

Flowers and narrow leaves

A wonderful garden perennial that blooms every fall

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Scientific Name: Helianthus angustifolius
Common Name: Narrow-Leaved Sunflower
Plant Type: Deciduous
Leaf Type: Broadleaf
Hardiness Zone: 6, 8, 9 Determine Your Zone
Height: 5-8 feet
Spread: 2 -3 feet
Bloom time: Fall
Flower color: Yellow
Light Exposure: Sun, Part Sun
Drainage: Well drained, Moist,
Rate of Growth: Fast
Water Requirement: Medium
Maintenance Level: Low
Susceptible to insects
and diseases:
Landscape Categories: Plants That Attract Butterflies
Comments: Grow best in full sun. Plants in shade tend to be leggy and fall over easily with wind and rain, particularly late in the season when they are in flower. It attracts large numbers of butterflies as they migrate in the fall. This native is at home in a naturalitic or woodland garden.