Zones: 3 to 8 (heat zones 1 to 8)
Size: 18 to 30" tall and up to 24" wide
Growth Rate: Moderate
Exposure: Sun, Filtered Sun
Yellow flowers with brown centers through summer. Slightly hairy foliage. Rhizomatous, forming large clumps. Heat and humidity tolerant. Deadheading will prolong the blooming season. Well-drained average soil.
Published in Hortus Kew. 3: 251 in 1789.
Native to the eastern and central US.
I purchased a 1-gallon plant from Laymans in August 2010 and planted it in the perennial bed. The deer attacked it in June 2011 and I dug it up, split it, and replanted it in the pool area. It bloomed throughout the summer.