Swamp Sunflower seeds - Flower Plant

Swamp sunflower seeds produce tall, perennial plants with an upright, branching growth habit and narrow foliage. These plants develop numerous bright blooms over an extended period and are well adapted to warm, moist environments. Swamp sunflower performs best in full sun with moist to wet, well-drained soil and consistent moisture. Suitable for garden beds, borders, naturalized areas, and wet landscapes, it establishes quickly and provides vibrant seasonal color.

Features

• Tall perennial with upright, branching growth
• Produces numerous bright blooms over a long period
• Ideal for moist soils, borders, and naturalized planting
• Adapted to warm and wet conditions
• Performs best in full sun

Specifications

• Scientific Name: Helianthus angustifolius
• Common Name (US): Swamp Sunflower
• Seed Type / Variety: Native perennial flowering plant
• Growth Habit: Upright, branching perennial
• USDA Zones: 6–10
• Planting Season: Spring or fall
• Growing Season: Late summer to fall
• Sowing Season: February to April; September to November
• Germination Time and Conditions: 10–20 days at 18–25°C with moist soil
• Sunlight Requirements: Full sun
• Soil Requirements: Moist to wet, well-drained soil
• Watering Needs: High; prefers consistently moist conditions
• Mature Plant Size: 1.5–3 meters height; 60–120 cm spread
• Plant Spacing: 45–90 cm between plants