Caltha leptosepala (White-flowered marsh margiold)

Other names: Caltha chelidonii, Caltha biflora var. rotundifolia, Caltha uniflora, Caltha rotundifolia, Psychrophila leptosepala, Caltha auriculata, Caltha malvacea, Western marsh marigold, Elks-lip, White marsh marigold, Broad-leaved marsh marigold, Twinflowered marsh marigold

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Where to grow

Soil type
  • Loamy
Soil drainage
  • Boggy damp conditions
  • Moisture-retentive
Soil pH
  • Acid
  • Alkaline
  • Neutral
Sunlight
  • Full Sun
Aspect
  • East
  • West
  • South
Exposure
  • Exposed
  • Sheltered

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Additional plant details

Cultivation

Plant in full sun in humus-rich, moist or boggy soil at water's edge. Will grow in shallow water up to 10cm (4in) deep.

Suggested uses

Ground Cover, Low Maintenance, Wildlife, Waterside, Bog garden, Meadow

UK hardiness

H7

USDA zones

Zone 3, Zone 4, Zone 5, Zone 6, Zone 7

Sunset zone

1A, 1B, 2A, 2B, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24

WUCOLS

North-Central Coastal = High
Central Valley = High
South Coastal = Unknown
South Inland = Inappropriate
High and Intermediate Desert = Unknown
Low Desert = Unknown

Foliage

Deciduous

Habit

Compact, Cushion or Mound Forming

Native to

Western Canada, Western United States, Alaska

Drought tolerant

No

Flood tolerant

No

Toxicity

Not toxic

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