Bistorta affinis (syn. Persicaria affinis), East Indian Knotweed fast-growing Slow grower to 5 x

Slow grower to 5 x 5 ft

Star Anise is a different species of the same genus

and clusters of bright yellow flowers bloom in late spring

Mature size: 4 ft T x w

Grafted on Acer macrophyllum rootstock

Bistorta affinis (syn. Persicaria affinis), East Indian Knotweed fast-growing Slow grower to 5 xA shorter Persicaria, this species creeps to form a dense mat. Narrow leaves ascend among its cylindrical flower spikes of varying pinks and reds that bloom mid summer and into autumn. It's " native to the Himalayas in altitudes up to 15,800 where it creeps over alpine slopes, glacial moraines, rocky areas, wet meadows and stream banks." Missouri Botanical Garden. This is an excellent, semi evergreen ground cover, leaves turning russet in fall and