About This Product
Botanical Name: Helianthus angustifolius
Common Name: Swamp Sunflower
A perennial producing abundant golden yellow, daisy-like flowers to 3 inches across. Coarse and hairy, narrow green foliage.
USDA Zone: Zones 6 - 9
Sunset Zone: Zones 2 - 24
Mature Height: 4 - 6 feet
Mature Width: 4 - 5 feet
Water Needs: Regular