Tennessee Smart Yards Native Plants
A comprehensive database of Tennessee native plants
Narrow-leaved Sunflower, Swamp Sunflower
Narrow-leaved Sunflower, Swamp SunflowerHelianthus angustifoliusFull sun, moderately wet to medium moisture level, tolerant of a wide range of soils except rocky, moderately to slightly acid pH. 5-7 feet height, blooms from July until frost, yellow flowers, spreads at a moderate rate by rhizomes and re-seeding.Germination Code: ANative Region: Statewide except absent in NE TennesseeOne of the tallest and most floriferous of the sunflowers. Occurs naturally in flood plains, wet meadows and marshes. Likely to need staking. Attracts bees, butterflies and birds.flower;sun;wet;clay |