Caltha — 4 species
Botanical species in the genus Caltha recorded in the PlantPeers database.
Caltha leptosepala
Caltha leptosepala
Family: Ranunculaceae
Cultivation
Caltha leptosepala has a very wide native range, from the Arctic of Alaska to the warm temperate climate of California and New Mexico. It can tolerate temperatures falling to around -20°c. A plant of the waterside, it prefers growing in a sunny position in wet soils or shallow water, though it will tolerate drier conditions if there is shade from the summer sun.
Full cultivation guide →Caltha natans
Caltha natans
Family: Ranunculaceae
Cultivation
A plant of boggy soils and shallow pond margins, it requires a deep rich slightly acidic soil. It grows well in heavy clay soils. It has slender floating or creeping stems that root at the nodes to form new plants.
Full cultivation guide →Caltha palustris
Caltha palustris
Family: Ranunculaceae
Cultivation
A plant of the waterside, it prefers growing in a sunny position in wet soils or shallow water up to 15cm deep, though it will tolerate drier conditions if there is shade from the summer sun. Another report says that it grows best in partial shade. Requires a deep rich slightly alkaline soil.
Full cultivation guide →Caltha sinogracilis
Caltha sinogracilis
Family: Ranunculaceae
Cultivation
Caltha sinogracilis is found in the Alpine zone of southwest China where it experiences frost and snow. Requires a deep rich slightly acidic soil. Grows well in heavy clay soils.
Full cultivation guide →