Bistorta affinis (syn. Persicaria affinis), East Indian Knotweed fast-growing Not even young deer are

Not even young deer are so bold as to sample them

bushy clematis

crenelated rosettes slowly form extremely compact mounds

Grafted on Acer macrophyllum rootstock

and its cute catkins are profuse and short

Bistorta affinis (syn. Persicaria affinis), East Indian Knotweed fast-growing Not even young deer areA 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