White Marsh Marigold
Caltha leptosepala
White marsh marigold opens glistening white, golden-centered flowers at the edges of snowmelt streams and wet alpine meadows in the western mountains. The raw plant contains protoanemonin, causing skin irritation on contact and internal distress unless thoroughly boiled.
- Family
- Ranunculaceae
- Type
- wildflower
- Lifespan
- perennial
- Height
- 1–1 ft
- Spacing
- 0.5–1 ft apart
- Light
- part shade
- Soil moisture
- wet
- Soil pH
- neutral, alkaline
- Bloom
- May, June, July, August
- Bloom colors
- white
- Wildlife value
- pollinators
- Landscape uses
- border, container, rain garden
- Native states
- AK, AZ, CA, CO, ID, MT, NM, NV, OR, UT, WA, WY