Caltha leptosepala (Western Marsh Marigold)
Sprouting up along receding snowbanks, Caltha leptosepala (Western Marsh Marigold) is a rhizomatous herbaceous perennial prized for its buttercup-like, white flowers, 1.4 in. (4 cm), adorned with masses of yellow stamens.
Sprouting up along receding snowbanks, Caltha leptosepala (Western Marsh Marigold) is a rhizomatous herbaceous perennial prized for its buttercup-like, white flowers, 1.4 in. (4 cm), adorned with masses of yellow stamens. Blooming from late spring to late summer, they are usually borne singly, one flower per stem, but clusters of 2-3 can appear. The blossoms open over long-stalked, heart-shaped, glossy dark green leaves with wavy margins. Perfect for small ponds in areas where summers do not get too hot.
- Grows up to 12 in. tall and wide (30 cm)
- Thrives in full sun or part shade at the margins of a pond or water garden or in wet, boggy soils.
- Low maintenance, this perennial plant is generally pest free. Keep an eye out for powdery mildews.
- Native to North America from Alaska to Alberta and southward into Oregon and New Mexico.
Requirements
| Hardiness | 5 – 8 |
|---|---|
| Heat Zones | 5 – 8 |
| Plant Type | Perennials |
| Plant Family | Caltha – Marsh Marigolds |
| Exposure | Full Sun, Partial Sun |
| Season of Interest | Spring (Late)Summer (Early,Mid,Late) |
| Height | 10" – 1' (25cm – 30cm) |
| Spread | 10" – 1' (25cm – 30cm) |
| Spacing | 10″ – 12″ (25cm – 30cm) |
| Water Needs | High |
| Maintenance | Low |
| Soil Type | Loam |
| Soil pH | Acid, Alkaline, Neutral |
| Soil Drainage | Moisture Retentive, Poorly Drained |
| Characteristics | Showy |
| Native Plants | United States, Alaska, California, Pacific Northwest, Idaho, Oregon, Washington, Rocky Mountains, Colorado, Montana, Utah, Wyoming, Southwest, Nevada, Arizona, New Mexico |
| Tolerance | Wet Soil |
| Attracts | Butterflies |
| Garden Uses | Bog Gardens, Ponds and Streams, Rain Gardens |
| Garden Styles | Prairie and Meadow |