Giant Fleece Flower has ivory white plumes in June and July. Persicaria polymorpha is a trouble free, large clump former, not an invasive spreader. It grows so large that it is almost shrub-like and pairs well with Hydrangea paniculatas which are also blooming this time of year. Fall foliage is often colorful. A Wolfgang Oehme favorite plant. Both wet and dry site tolerant.