Wyethia — 5 species
Botanical species in the genus Wyethia recorded in the PlantPeers database.
Wyethia amplexicaulis
Wyethia amplexicaulis
Family: Asteraceae
Cultivation
Requires a free-draining, gritty but moisture-retentive soil in a sunny position. Plants are intolerant of drought. Plants are considered to be a pest of grazing ground in N.
Full cultivation guide →Wyethia angustifolia
Wyethia angustifolia
Family: Asteraceae
Cultivation
According to this species requires climatic zone 9, meaning that it can only tolerate occasional light frosts. This is somewhat questionable since the plant's native range extends northwards to Washington where the winter temperatures often fall much lower than this. Requires a free-draining, gritty but moisture-retentive soil in a sunny position.
Full cultivation guide →Wyethia helianthoides
Wyethia helianthoides
Family: Asteraceae
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 many parts of the country. The following notes are based on the general needs of the genus. Requires a free-draining, gritty but moisture-retentive soil in a sunny position.
Full cultivation guide →Wyethia longicaulis
Wyethia longicaulis
Family: Asteraceae
Cultivation
Requires a free-draining, gritty but moisture-retentive soil in a sunny position. Plants are intolerant of drought.
Full cultivation guide →Wyethia mollis
Wyethia mollis
Family: Asteraceae
Cultivation
Plants are not hardy in the colder areas of Britain. Requires a free-draining, gritty but moisture-retentive soil in a sunny position. This species is more tolerant of drought than other members of the genus.
Full cultivation guide →