Polygonum amplexicaule 'Speciosa (Firetail)'

Mountain Fleece, Knotweed, Smartweed

Family: Polygonaceae Buckwheat


Type Perennial
USDA Hardiness range 4A - 8A
Exposure Partial shade to full sun
Bloom color Red
Bloom time Early Summer to Mid Fall
Water needs Moist
Landscape uses Border, ground cover, massing, rock garden
Height 36" to 4' / 90cm to 1.20m
Spread n/a
Growth rate Fast
Leaf color Green
Fruit color n/a
Soil pH requirements Neutral
Soil type Sandy, loamy
Form Upright or erect
Attributes and features Attractive foilage, naturalizing