Persicaria polymorpha - Giant Fleece Flower Persicaria polymorpha, also known as Giant Fleece Flower or White Dragon Knotweed, is a truly majestic perennial that brings architectural elegance and enduring charm to spacious garden settings. In mid to late summer, it produces towering plumes of creamy white flowers—panicle racemes reminiscent of goat’s beard (Aruncus dioicus)—that hover above a lush mound of dark green, lance-shaped foliage. 1 Bare Root Dramatic creamy-white flower plumes (mid–late summer) Low-maintenance - remove spent blooms to encourage rebloom May self-support but might flop slightly in rain Easily rebounds in Heat, humidity, drought, and is deer-tolerant No serious pests or invasiveness concerns Specifications Details Foliage Colour Deep green, lance-shaped leaves Hardiness Zone 3 - 9 Plant Height 3 to 6 ft (90–180 cm) tall Plant Width 3 to 6 ft (90–180 cm) spread Sun Requirements Full sun to partial shade Fragrant No Deer Resistant Yes Plant Timing Spring or fall planting in moist, well-drained soil Bloom Timing June - September Plant Depth Crown at soil level Plant Spacing 36–48 in (90–120 cm) apart recommended
