Maackianum Knotweed (Polygonum maackianum)

Family: Polygonaceae | Edibility: Edible (1/5)

Polygonum maackianum is a ANNUAL growing to 0.8 m (2ft 6in). It is in flower from July to September, and the seeds ripen from August to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. 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 - raw or cooked. Seed - raw or cooked. It is rather small and fiddly to utilize. — Leaves - raw or cooked.; Seed - raw or cooked.; It is rather small and fiddly to utilize.

Habitat & North American Range

Wet places along ditches, river banks and rice fields in lowland C. and S. Japan. Shaded grassy places in valleys at elevations of 100 - 1600 metres. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)