Caltha palustris var. leptosepala - White Marsh Marigold, Pond Plant
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Caltha palustris var. leptosepala - White Marsh Marigold, Pond Plant
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Product specifications and features
Product Description
Caltha palustris var. leptosepala - White Marsh Marigold, Pond Plant
Caltha leptosepala (sold as Caltha palustris var. leptosepala), known as white marsh marigold, is a North American relative of the native kingcup. It has glossy, dark green, heart-shaped leaves and white flowers with a yellow centre, up to 4 cm across.
White marsh marigold at a glance
| Botanical name | Caltha leptosepala (sold as Caltha palustris var. leptosepala) |
|---|---|
| Common name | White marsh marigold |
| Plant type | Clump-forming perennial; dies back in winter |
| Height and spread | About 30 cm tall and wide |
| Flowers | White with a yellow centre, up to 4 cm across |
| Position | Full sun or part shade |
| Soil | Reliably damp to boggy, humus-rich, neutral to slightly acid soil |
| Pond depth | 0–5 cm; happiest in bog conditions |
| Hardiness | Fully hardy (no RHS H-rating published) |
| Native to | Western North America (not UK native) |
Where to plant white marsh marigold
- A bog garden with reliably wet, humus-rich soil
- The very edge of a pond, with no more than 5 cm of water over the crown
- Next to the yellow kingcup for contrast
How to plant and care for it
Plant in spring or summer in damp to boggy soil, keeping the leaves out of the water. It dies back in autumn and regrows in spring.
Is it good for wildlife?
The flowers are a good source of pollen for insects.
Which size should I buy?
Bare-root plants (7 cm, 9 cm, 1 litre and 3 litre) arrive without a pot or compost and are the most economical way to plant a group. Potted plants (9 cm, 1 litre and 3 litre) arrive growing in our peat-free compost and give a faster display. Packs of 3 come in 7 cm, 9 cm, 1 litre and 3 litre bare-root sizes and cost less per plant. The 2x Pot & Compost option is two plants supplied with pots and compost.
