Polygonum — 6 species

Botanical species in the genus Polygonum recorded in the PlantPeers database.

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EdibleMedicinal

Polygonum arenastrum

Polygonum arenastrum

Family: Polygonaceae

Cultivation

Polygonum arenastrum is a very cold-hardy plant, being able to tolerate temperatures down to at least -25°c when fully dormant. Succeeds in an ordinary garden soil but prefers a moisture retentive not too fertile soil in sun or part shade. Repays generous treatment, in good soils the plant will cover an area up to a metre in diameter.

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EdibleMedicinal

Polygonum aviculare

Polygonum aviculare

Family: Polygonaceae

Cultivation

Polygonum aviculare is a very cold-hardy plant, being able to tolerate temperatures down to around -25°c when fully dormant. Succeeds in an ordinary garden soil but prefers a moisture retentive not too fertile soil in sun or part shade. Repays generous treatment, in good soils the plant will cover an area up to a metre in diameter.

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Edible

Polygonum douglasii

Polygonum douglasii

Family: Polygonaceae

Cultivation

Species in this genus generally succeed in an ordinary garden soil, whilst preferring a moisture retentive not too fertile soil in sun or part shade. They generally rpays generous treatment. Most plants in this genus seem to be immune to the predations of rabbits.

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EdibleMedicinal

Polygonum equisetiforme

Polygonum equisetiforme

Family: Polygonaceae

Cultivation

Polygonum equisetiforme is not a very cold-hardy plant, being able to tolerate short periods with temperatures down to around -5 to -10°c when fully dormant. Outside of the mildest temperate regions, the plant is liable to be cut back in the winter, though if winters are not too cold it can resprout from the base in the spring. Succeeds in an ordinary garden soil but prefers a moisture retentive not too fertile soil in sun or part shade.

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PerennialView Details
Polygonum plebeium
EdibleMedicinal

Polygonum plebeium

Polygonum plebeium

Family: Polygonaceae

Cultivation

When growing in dry places the leaves are said to develop a bitter flavour. The plant is sometimes found as a weed in cultivated fields.

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Edible

Polygonum rigidum

Polygonum rigidum

Family: Polygonaceae

Cultivation

Species in this genus generally succeed in an ordinary garden soil, whilst preferring a moisture retentive not too fertile soil in sun or part shade. They generally rpays generous treatment. Most plants in this genus seem to be immune to the predations of rabbits.

Full cultivation guide →