Curlytop Knotweed (Polygonum lapathifolium)

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

Polygonum lapathifolium is a ANNUAL growing to 0.8 m (2ft 7in). See above for USDA hardiness. It is hardy to UK zone 5. 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. It prefers moist or wet soil.

Edible Parts & Harvest Seasons

Edible Parts: Nuts/Seeds, Leaves

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

Flavor & Culinary Uses

Young leaves - raw or cooked. Seed - raw or cooked. It is rather small and fiddly to utilize. — Young leaves - raw or cooked.; Seed - raw or cooked.; It is rather small and fiddly to utilize.

Habitat & North American Range

Swampy thickets, shores, damp clearings and cultivated fields in N. America. (Zone 4, Zone 5, Zone 6, Zone 7, Zone 8)