Swamp Sunflower Seeds – Hardy Perennial

Swamp Sunflower Seeds are a resilient and beautiful choice for gardeners looking to add vibrant yellow blooms to their landscapes. Known for their tall growth and ability to thrive in moist conditions, these perennial plants provide stunning seasonal color and attract pollinators such as butterflies and bees. Ideal for borders, naturalized areas, and wildlife gardens, they are a reliable option for gardeners seeking both beauty and low-maintenance growth.

Features:

• Produces bright, golden-yellow flowers in clusters

• Thrives in moist soils, tolerates clay and poor soils

• Attracts butterflies, bees, and other pollinators

• Tall, upright habit perfect for garden borders or backdrops

• Low-maintenance and resilient perennial variety

Specifications:

• Common Name (US): Swamp Sunflower

• Scientific Name: Helianthus angustifolius

• Plant Type: Perennial

• Growth Habit: Upright, tall (5–7 ft)

• Bloom Season: Late summer to fall (August to October)

• USDA Hardiness Zones: 5 – 9

• Light Requirements: Full sun

• Soil Preference: Moist, well-drained to wet soils; tolerant of clay

• Season for Planting:

  • Spring: March – May

  • Fall: September – November (in mild zones)

• Spacing: 18 – 24 inches apart

• Watering Needs: Moderate to high moisture