Plant Review: Perennial Sunflower [Helianthus angustifolius]

www.allanarmitage.net Perennial Sunflower Provides Terrific Color in Late Summer and Fall. Helianthus angustifolius (Swamp Sunflower) is big and beautiful and flower in the fall, reaching up to 6 feet tall. Here it is flowering on October 12th. Perennial Sunflower makes a wonderful back border plant, attracting bees from all around. It&super easy to grow. Really, a no-fuss, low-maintenance, beautiful bloomer. Performs well in zones 5-9. #perennialsunflower