Polygonum — 6 species
Botanical species in the genus Polygonum recorded in the PlantPeers database.

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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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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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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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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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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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 →