Knotweed (Polygonum aviculare)

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

Polygonum aviculare is a ANNUAL growing to 0.3 m (1ft). See above for USDA hardiness. It is hardy to UK zone 5. It is in flower from June to October, and the seeds ripen from August to October. The species is hermaphrodite (has both male and female organs) and is pollinated by Insects. The plant is self-fertile. It is noted for attracting wildlife. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils.

Edible Parts & Harvest Seasons

Edible Parts: Nuts/Seeds, Leaves

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

Flavor & Culinary Uses

rich in zinc. — Young leaves and plants - raw or cooked.; Used as a potherb, they are very rich in zinc.; A nutritional analysis is available.; Seed - raw or cooked.

Habitat & North American Range

Waste places, roadsides, railway embankments and the coast. A common garden weed. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)