Description
Rumex oblongifolius (also called Oblong-leaved Dock, among many other common names) is a perennial herbaceous plant native to East Asia. It has a creeping rhizome and its stems are erect, up to 1 m tall. It is found in moist meadows, riverbanks, and roadsides.
Flower, Seeds and Seedlings
Rumex oblongifolius has small, yellowish-green flowers that are clustered in a dense, rounded head. The seeds are small, dark brown, and have a hard, shiny surface. The seedlings are small and have a single, long, narrow leaf.
Cultivation and Propagation
Rumex oblongifolius is a hardy perennial plant which can be grown in full sun or partial shade. It prefers moist, well-drained soil and can tolerate temperatures down to -20°C. Propagation can be done by division in spring or by seed in spring or autumn.
Where to Find Rumex oblongifolius
Rumex oblongifolius is native to Asia and can be found in moist meadows, wet woods, and along streams.