Caltha palustris (Kingcup, Marsh Marigold)
Botanical Information
Family | Ranunculaceae |
Genus | Caltha |
Species | palustris |
Category | Perennials, Wildflowers & Weeds |
Pronunciation |
Details
USDA Hardiness Zone | 3 - 7 |
USDA Hardiness Ref. | |
Canadian Hardiness Zone | 1a - 7a |
Canada Hardiness Ref. | |
RHS Hardiness Zone | H7 - H5 |
RHS Hardiness Ref. | |
Temperature (°C) | -40 -(-12) |
Temperature (°F) | -40 - 10 |
Height | 10 - 50 cm |
Spread | 10 - 50 cm |
Growth | Fast |
Flowering Period | May, June |
Description and Growing Information
Propagation | By division or seed. |
Cultivation | Shallow area of a pond, boggy soil in full sunlight to partial shade. |
Pests | Powdery mildew and rust. |
Habitat | Marshes, fens, ditches and wet woodland in temperate regions of the Northern Hemisphere. |
Leaf Description | Rounded, 3–20 cm across, with a bluntly serrated margin and a thick, waxy texture. |
Flower Description | The flowers are yellow, 2–5 cm diameter, with 4-9 petal-like sepals. |