Swamp Sunflower Seeds (Helianthus angustifolius) | Late-Season Perennial Flower Seeds

About This Plant

The Swamp Sunflower (Helianthus angustifolius) is a perennial with bright yellow flowers that bloom late in the season. It grows upright and bushy with sturdy stems and reaches a height of 3 to 10 feet. The plant thrives in full sun to partial shade and prefers rich, well-drained soil, tolerating wet conditions. It attracts pollinators and is suitable for naturalized areas and wildlife gardens. Bloom time is late summer to fall.

What You Will Receive

Packet of seeds (approximately 50 seeds) for growing Swamp Sunflower. Pack contains seeds only; no plant material is included.

Growing Information

• Sunlight: Full sun to partial shade
• Watering: Moderate; keep soil consistently moist
• Soil: Prefers rich, well-drained soil; tolerates wet conditions
• Hardiness Zones: 5 to 9