Clusters of medium to large cupped white flowers that are centered by a deep burgundy eye are produced in summer and sit atop a sturdy stems cloaked in grayish to nearly white foliage. The Woolly Rose-Mallow or Swamp Mallow, a form of Hibiscus moscheutos var. lasiocarpos, is sure to be a standout hardy clump-forming perennial that will produce more and more flowering stems each year eventually developing into a rounded mass of nearly white foliage topped by clusters of flowers. The flowers normally remain open until about midday but may stay open nearly all day on overcast or cloudy days. The Woolly Rose-Mallow is adaptable to moist to wet to average moist, fertile soils and is an easy choice for pondside and bog plantings. The flowers attract bees, butterflies, and hummingbirds. Caterpillar host: Gray hairstreak. Provide a full to mostly sunny site for optimum vigor and flowering. Item# 12197