White Marsh Marigold
Caltha leptosepala
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Ranunculaceae
- Genus:
- Caltha
- Species:
- Caltha leptosepala
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Forb/herb
- Height:
- 1-2 ft
- Light Requirements:
- Part Shade
- Drought Tolerance:
- High
- Bloom Months:
- may, jun, jul, aug
- Bloom Colors:
- White
Native Range
United States: Alaska, Arizona, California, Colorado, Idaho, Montana, New Mexico, Nevada, Oregon, Utah, Washington, Wyoming, Canada: Alberta, British Columbia, Yukon
Host Plant for Caterpillars
⚠️Bog Fritillary (Clossiana eunomia)
Reported Fauna Sightings
Bees: Two-form bumble bee (Bombus bifarius), Two-form bumble bee (Bombus bifarius)
Soil Requirements
- Soil Type:
- rich, moisture-retentive loamy soil
- pH:
- 5.5 - 7.5 (slightly acidic to neutral)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Commonly found in wet meadows and along streams.
Germination Information
Pre-treatment: Seeds need a warm-cold-warm cycle in order to germinate.
Establishment: This plant may be found in the Western US and Canada in sub-alpine and wetland or meadow areas. Also found from Alaska south through the Rocky Mountains to Colorado.
Source: npn.rngr.net