Swamp sunflower, Narrowleaf sunflower (Helianthus angustifolius)

Description: Tall, branching stems with somewhat sparse, linear leaves support a riotous chorus of yellow blooms.  Attractive to butterflies. Best in consistently moist, acid soils. Performs well under garden conditions as long as soil does not dry out.

Lifespan Perennial

Light exposure: Full sun to light pine shade

Bloom color: Yellow

Bloom season: Late summer to fall

Height (in bloom): Up to 6 feet

Habitat: Moist pinelands and disturbed areas

Note: Swamp sunflower strongly resembles and can hybridize with Florida sunflower (Helianthus floridanus). However, Florida sunflower has rhizomes and Swamp sunflower does not.

Each packet covers 10 square feet.

Read the Florida Wildflower Foundation's profile of Narrowleaf sunflower.
View or download the Sunflower page from the Foundation's 20 Easy-to-Grow Wildflowers publication.