Polygala — 12 species
Botanical species in the genus Polygala recorded in the PlantPeers database.

Polygala amara
Polygala amara
Family: Polygalaceae
Cultivation
Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade. Dislikes shade according to another report.
Full cultivation guide →
Polygala butyracea
Polygala butyracea
Family: Polygalaceae
Cultivation
A plant of lowland tropical areas, where it is usually found at elevations below 600 metres. The plant is only known in cultivation, probably a relict of an ancient culture, having been derived from P. baikiei or P. Cristata.
Full cultivation guide →

Polygala japonica
Polygala japonica
Family: Polygalaceae
Cultivation
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in most parts of this country. The following notes are based on the general needs of the genus. Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade.
Full cultivation guide →
Polygala javana
Polygala javana
Family: Polygalaceae
Cultivation
A plant of lowland tropical areas, usually at elevations below 250 metres. It grows naturally in areas with a strong dry season. Plants can flower all year round.
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Polygala reinii
Polygala reinii
Family: Polygalaceae
Cultivation
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in most parts of this country. The following notes are based on the general needs of the genus. Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade.
Full cultivation guide →
Polygala senega
Polygala senega
Family: Polygalaceae
Cultivation
Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade. Dislikes shade according to another report. The sub-species P. senega latifolia.
Full cultivation guide →
Polygala sibirica
Polygala sibirica
Family: Polygalaceae
Cultivation
We have very little information on this species and do not know if it will be hardy in Britain, though judging by its native range it should succeed outdoors in most parts of this country. It is a very variable plant. The following notes are based on the general needs of the genus.
Full cultivation guide →
Polygala tenuifolia
Polygala tenuifolia
Family: Polygalaceae
Cultivation
Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade. Dislikes shade according to another report. Plants are hardy to at least -15°c.
Full cultivation guide →
Polygala theezans
Polygala theezans
Family: Polygalaceae
Cultivation
We have very little information on this species and do not know if it will be hardy in Britain. The following notes are based on the general needs of the genus. Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade.
Full cultivation guide →
Polygala vulgaris
Polygala vulgaris
Family: Polygalaceae
Cultivation
Prefers a moderately fertile moisture-retentive well-drained soil, succeeding in full sun if the soil remains moist throughout the growing season, otherwise it is best in semi-shade. Dislikes shade according to another report. A very polymorphic species.
Full cultivation guide →