Swamp Sunflower
Swamp Sunflower (Helianthus angustifolius)
Swamp Sunflower (Helianthus angustifolius), also known as Narrowleaf Sunflower, is a tall, late-season perennial known for its dazzling display of golden-yellow blooms in fall. This native wildflower thrives in moist conditions, making it an excellent choice for rain gardens, meadows, and pollinator-friendly landscapes. Its towering height and abundant blooms provide a valuable nectar source for bees, butterflies, and other beneficial pollinators.
Distinctive Features
Swamp Sunflower produces masses of bright yellow, daisy-like flowers with dark brown centers on tall, upright stems. Its narrow, lance-shaped green leaves create a striking contrast with the golden blooms, adding vertical interest to garden plantings.
Growing Conditions
- Sun Exposure: Prefers full sun.
- Soil: Moist, well-drained, fertile soil; tolerates clay and sandy soils.
- Water: Prefers consistent moisture; thrives in wet conditions.
- USDA Hardiness Zones: 5-9, adaptable to a variety of climates.
Ideal Uses
- Rain Gardens: Thrives in wet soil conditions.
- Pollinator Gardens: Provides nectar for bees and butterflies.
- Meadow and Prairie Plantings: Naturalizes beautifully.
- Mass Plantings: Creates a striking golden display.
- Cut Flower Gardens: Long-lasting blooms are excellent for floral arrangements.
Low Maintenance Care
Swamp Sunflower is an easy-to-grow perennial that requires minimal care.
- Watering: Prefers consistent moisture; tolerates brief dry periods.
- Pruning: Cut back in late fall to encourage fresh growth in spring.
- Fertilizing: Minimal feeding required; compost or organic mulch supports healthy growth.
- Deer and Rabbit Resistance: Generally unpalatable to browsing animals.
Why Choose Swamp Sunflower?
This towering, late-blooming perennial provides golden hues and vital pollinator support.
- Bright Yellow Blooms: Adds warmth and vibrancy to the autumn landscape.
- Extended Bloom Season: Flowers persist into fall.
- Thrives in Wet Areas: Perfect for rain gardens and low-lying sites.
- Pollinator-Friendly: Provides nectar for late-season insects.
For a bold, native perennial with exceptional late-season blooms, Swamp Sunflower (Helianthus angustifolius) is an excellent choice.
OUR SIZING
Not sure what 2 inch B&B or 30 Gallon Clump really means? This guide breaks down all our plant size terms so you know exactly what to expect, whether you're ordering online or picking up at our nursery. From caliper measurements to container volumes, we've decoded our system to help you shop with confidence.
Plant Detectives Shipping Guide
Nationwide plant shipping made easy. Learn how we ship trees, shrubs, annuals and perennials. No order too big or too small. Fast, careful, and contractor-friendly.