Persicaria amplexicaulis ‘Firetail’ Fleece Flower Description Bright crimson spikey flowers bloom all summer and then into fall. Arrow shaped dark green foliage takes on some fall color. Naturalizes well. A vigorous grower, but not invasive. One plant can grow up to 4' wide. Grows best in sun and moist soil. Sizes & Prices All Flower Characteristics Hardiness Zone: 4 Light requirements: Sun/Part Sun Height: 3-6' Native: No Sizes & Prices Size: 2 Gal $16.98 Other Information Fleece Flower Persicaria amplexicaulis 'Firetail' Zone: 4 Sun/Part Sun HT: 3-6'