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Caltha leptosepala (Western Marsh Marigold)

Western Marsh Marigold, White Marsh Marigold, Elks-Lip

Caltha leptosepala, Western Marsh Marigold, White Marsh Marigold, Elks-Lip, White Flowers
Caltha leptosepala, Western Marsh Marigold, White Marsh Marigold, Elks-Lip, White Flowers

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 Ranunculaceae
Genus Caltha
Common names Marsh Marigold
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)
Maintenance Low
Water Needs High
Soil Type Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moisture Retentive, Poorly Drained
Characteristics Showy
Native Plants California, United States, Washington, Idaho, Pacific Northwest, Oregon, Southwest, Arizona, Nevada, New Mexico, Utah, Rocky Mountains, Wyoming, Montana, Colorado, Alaska
Tolerance Wet Soil
Attracts Butterflies
Garden Uses Bog Gardens, Ponds And Streams, Rain Gardens
Garden Styles Prairie and Meadow
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Alternative Plants to Consider

Caltha palustris (Marsh Marigold)
Caltha polypetala (Giant Marsh Marigold)

Recommended Companion Plants

Fritillaria meleagris (Checkered Lily)
Carex elata ‘Aurea’ (Bowles’ Golden Sedge)
Anemone nemorosa (Wood Anemone)
Iris laevigata ‘Variegata’ (Water Iris)
While every effort has been made to describe these plants accurately, please keep in mind that height, bloom time, and color may differ in various climates. The description of these plants has been written based on numerous outside resources.
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Requirements

Hardiness 5 - 8
Heat Zones 5 - 8
Plant Type Perennials
Plant Family Ranunculaceae
Genus Caltha
Common names Marsh Marigold
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)
Maintenance Low
Water Needs High
Soil Type Loam
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moisture Retentive, Poorly Drained
Characteristics Showy
Native Plants California, United States, Washington, Idaho, Pacific Northwest, Oregon, Southwest, Arizona, Nevada, New Mexico, Utah, Rocky Mountains, Wyoming, Montana, Colorado, Alaska
Tolerance Wet Soil
Attracts Butterflies
Garden Uses Bog Gardens, Ponds And Streams, Rain Gardens
Garden Styles Prairie and Meadow
How Many Plants
Do I Need?
Not sure which Caltha to pick?
Compare Now

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