Helianthus angustifolius
Swamp Sunflower
Buy a Sunflower to show your solidarity with Ukraine. $5 for every 1 Gallon Sunflower sold and $45 for every Flat sold will go to Care for Ukraine Relief to support the Ukrainian people.
- Local Delivery ONLY to Metro Atlanta within 5-7 business days
- Guaranteed Locally Grown
Swamp Sunflower is a salt-tolerant late-blooming perennial and doesn’t spread aggressively like other sunflower selections. The showy yellow flowers that resemble large daises bloom in fall and continue until frost. Best bloom in full sun in acidic and moist to wet well-drained soils.
Helianthus angustifolius acts as a host for several butterflies, including the Silvery Checkerspot Butterfly. It attracts various butterflies and caterpillars which in turn provide food for birds.
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Type: |
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Height: |
5' - 7' |
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Spread: |
4' - 6’ |
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Spacing: |
5’ |
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USDA Hardiness Zone: |
6 - 9 |
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Culture: |
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Bloom Color: |
Yellow |
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Season of Interest: |
MAINTENANCE NEEDS: Low maintenance. If grown in part shade plants grow taller and require support. Sunflowers are generally susceptible to rust, leaf fungal spots, and powdery mildew. Watch for aphids
LANDSCAPE USES: Accents or Group Plantings, Borders, Woodland Gardens, Pond or Stream Sides, Rock Gardens, and Containers.
COMPANION PLANTS: Little Blue Stem, Bee Balm, Hibiscus
IMAGES: Choess, Helianthus angustifolius, CC BY-SA 3.0, (2) Photoset ny bobistraveling, Swamp sunflower Backyard Estates Cary NC 8483 + 8469
*As plants have ranges in appearance they may not appear as the images shown.
