Caltha leptosepala Western marsh marigold (Ranunculaceae)

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Caltha leptosepala
Western marsh marigold
(1 Page of 5)

The Caltha leptosepala plant species is found in Northwestern N. America. It is a member of the Ranunculaceae family. Common gardeners may know the plant as Western marsh marigold. Some home gardeners know the variety as C. rotundifolia.

Cultivation | Propagation | General Uses
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Latin Name:  Caltha leptosepala
Common Name:  Western marsh marigold
Family:  Ranunculaceae
Author:  DC.

Known Hazards:  The whole plant, but especially the older portions, contains the toxic glucoside protoanemanin - this is destroyed by heat[172]. The sap can irritate sensitive skin[172].

Mature Height:  0.3   Mature Width:  0.3

Habitat:  Sub-alpine and alpine swamps and marshy meadows[60, 85].

Cultivation Notes: A plant of the waterside, it prefers growing in a sunny position in wet soils or shallow water[1, 111, 233], though it will tolerate drier conditions if there is shade from the summer sun[233]. It requires a deep rich slightly acidic soil[111, 200]. Grows well in heavy clay soils. Plants are hardy to about -20c[187]. A greedy plant, inhibiting the growth of nearby plants, especially legumes[54].

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Cultivation | Propagation | General Uses
Medicinal | Edible Uses

The information above has been supplied solely via the hard work and dedication of the team at 'Plants for a Future'.
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