Persicaria alpina

Persicaria alpina or Alpine Knotweed is native to the Himalayas and belongs to the Polygonaceae family of plants. It grows to about 2 meters tall. Persicaria alpina grows in sun or partial shade and prefers well-drained moist soil, but it can tolerate poorly drained soil as well.

Also read about Persicaria angustifolia var laxmannii and Persicaria amplexicaulis ‘Rosea’.