Japonicus Dock (Rumex japonicus)

Family: Polygonaceae | Edibility: Edible (2/5)

Rumex japonicus is a PERENNIAL growing to 1 m (3ft 3in). It is in flower from May to June, and the seeds ripen from June to July. The species is hermaphrodite (has both male and female organs) and is pollinated by Wind. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils and prefers well-drained soil. Suitable pH: mildly acid, neutral and basic (mildly alkaline) soils. It can grow in semi-shade (light woodland) or no shade.

Edible Parts & Harvest Seasons

Edible Parts: Nuts/Seeds, Leaves

Harvest Seasons: Early Summer, Fall, Late Summer, Spring

Flavor & Culinary Uses

Leaves - cooked. They can be used as a vegetable or added to soups. The leaves can also be dried for later use. Seed - cooked. It is used with rice or ground into a powder for making dumplings. — They can be used as a vegetable or added to soups.; The leaves can also be dried for later use.; It is used with rice or ground into a powder for making dumplings.

Habitat & North American Range

Wet meadows and ditches in lowland all over Japan. Field margins, streambanks and wet valleys from sea level to 3400 metres in China. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)