Resembling giant buttercups, Caltha polypetala (Giant Marsh Marigold)) is a herbaceous perennial prized for its clusters of large, brilliant golden flowers, up to 2 in. (5 cm). They boast up to 40 showy stamens in their center.
Caltha polypetala (Giant Marsh Marigold)
- Grows up to 24 in. …
- Thrives in full sun in deep, rich organic soil, at the water’s edge or in shallow water up to 6 in. …
- Low maintenance, this perennial plant is generally pest free. …
- No pruning required, though the stems may be cut back after flowering.
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