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Perennial

White Marsh Marigold

Caltha leptosepala

Elk's LipBroad-leaved Marsh MarigoldTwinflowered Marsh MarigoldWestern Marsh MarigoldAlpine Marsh Marigold

White Marsh Marigold is an early-blooming alpine perennial with glossy white cup-shaped flowers and heart-shaped leaves. This harbinger of spring appears at snowmelt edges in mountain wetlands.

Plant Family

Ranunculaceae (Buttercup family)

Blooming

Late spring to late summer (May-August), blooming soon after snowmelt

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White Marsh Marigold with cup-shaped flowers and glossy heart-shaped leaves
White Marsh Marigold with cup-shaped flowers and glossy heart-shaped leaves

Symbolism & Meanings

Key Meanings

Spring awakening
Mountain purity
Resilience
Alpine beauty
Renewal after winter
Harbinger of warmer days

Perfect For

Spring celebrationsMountain appreciationSnowmelt festivalsNature photographyAlpine ecology education

Color Meanings

White:Mountain purity, spring renewal, and resilience

Similar flowers: aethionemas and aethionemas also share similar meanings.

Cultural Significance

White Marsh Marigold is one of the earliest harbingers of spring in the Rocky Mountains and other western mountain ranges. The name "Caltha" comes from Greek "kalathos" (goblet), referring to the cup-shaped flowers. "Leptosepala" means "slender sepals." The common name "Elk's Lip" refers to the shape of the long leaves. Despite the name, it's not a true marigold but a buttercup relative. These flowers symbolize the transition from winter to spring in harsh alpine environments. Their appearance at snowmelt is celebrated by mountain hikers and wildflower enthusiasts as a sign that summer is approaching. The glossy, heart-shaped leaves and bright white flowers against melting snow create iconic mountain spring imagery.
Related cultural flowers:Sunflower, Rose
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Botanical Information

Physical Characteristics

Flower Size: 1-4 cm diameter (0.4-1.6 inches), cup-shaped blooms
Plant Size: 5-15 cm tall (2-6 inches) during flowering, can reach up to 30 cm (12 inches) with foliage
Flower Shape: Cup-shaped to bowl-shaped with 7-10 petal-like sepals (no true petals); masses of bright yellow stamens in center

Natural Habitat

Native to: Western North America (Alaska to New Mexico), Rocky Mountains, Pacific Coast and mountain ranges, British Columbia and Alberta
Habitat: Subalpine and alpine meadows, springs, snowbeds, seeps, wet depressions, stream margins, forest openings near melting snow
Climate: Alpine, Subalpine, Cold mountain climates

Growing Guide

Sunlight

Full sun to partial shade in alpine and subalpine zones

Water

High; requires consistently wet to boggy conditions during growing season; grows in or near water

Soil

Wet, Boggy, Rich organic soils, Consistently moist, Acidic to neutral

Expert Growing Tips

1

Extremely challenging to cultivate outside native alpine habitat

2

Requires cold winter temperatures and cool summers

3

Plant in consistently wet, boggy soil rich in organic matter

4

Intolerant of heat and drying out

5

Best appreciated in natural mountain habitats

6

Hardy zones 3-6; struggles in warmer zones

7

Propagate by division in early spring or fresh seed

8

Seed requires cold stratification

9

Grows at pond edges or in shallow standing water

10

Generally pest and disease-free

Uses & Benefits

Ornamental Uses

  • Alpine and rock gardens (challenging)
  • Bog gardens and wetland plantings
  • Pond margins and water features
  • Native mountain plant gardens
  • Naturalized wet meadow areas
  • Cool climate water gardens

Traditional Uses

  • TOXIC WARNING: Contains protoanemonin, causing severe blistering if eaten
  • Some sources mention young leaves as potherb, but many authorities warn against consumption
  • Eastern relative (Caltha palustris) has caused livestock poisoning
  • Not recommended for any medicinal or culinary use
  • Handle with care; can cause skin irritation in sensitive individuals

Disclaimer: Information provided is for educational purposes only. Consult healthcare professionals before using any plant medicinally.

Frequently Asked Questions about the White Marsh Marigold

when does white marsh marigold bloom?

White Marsh Marigold blooms from late spring to late summer (May-August), appearing soon after snowmelt. It's one of the earliest wildflowers in subalpine and alpine regions, often blooming while surrounded by receding snow.

is white marsh marigold poisonous?

Yes, White Marsh Marigold contains protoanemonin and is toxic if ingested, causing severe blistering of mouth and throat. While some sources mention edible uses, many authorities warn against eating any part of this plant.

where does white marsh marigold grow?

White Marsh Marigold grows in wet subalpine and alpine meadows, springs, and snowbeds throughout western North America from Alaska to New Mexico, particularly in the Rocky Mountains and Pacific ranges.

can you grow white marsh marigold in gardens?

White Marsh Marigold is extremely challenging to grow outside its natural alpine habitat. It requires consistently wet, boggy soil, cold winters, cool summers, and intolerance to heat makes it suitable only for specialized alpine or bog gardens in cool zones.

Available Colors

White
Creamy White
White with blue or purplish tints on exterior

Quick Facts

Type:perennial
Family:Ranunculaceae (Buttercup family)
Native to:Western North America (Alaska to New Mexico)
Blooms:Late spring to late summer (May-August), blooming soon after snowmelt

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