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Marsh Cinquefoil

Comarum palustre

Also listed as Potentilla palustris, Fragaria palustris

Also known as Purple Marsh Cinquefoil, Purple Marshlocks, Marsh Five-fingers

herbaceous☀️ full sun💧💧💧 high water❄ Hardy: Zone 2a – Zone 7b

Climate Match for your location

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A low-growing wetland perennial with dark red flowers and cinquefoil-like foliage, thriving in boggy or marshy conditions. It spreads via rhizomes and is valued for naturalistic water gardens and pond margins.

Why grow it

Marsh cinquefoil offers reliable color and texture in permanently wet sites where many ornamentals struggle, particularly where standing water or seasonal flooding occurs. Unlike some cinquefoil species that prefer drier conditions, this species thrives in boggy ground without supplemental drainage, making it useful for rain gardens and pond restoration. Its deep red flowers provide visual interest in wetland plantings where flowering plants are relatively limited.

Watch out for

In ideal conditions, the rhizomatous spread can become vigorous and may outcompete neighboring plants in confined garden spaces, requiring periodic division to maintain desired planting density. Container-grown specimens may dry out quickly if moved to upland sites, as the plant's physiology is adapted to consistent moisture rather than typical garden soil moisture patterns.

Overview

Form
Spreading
Growth Rate
moderate
Size
0.5–1.5′ tall × 1–2′ wide
Dormancy
deciduous
Family
Rosaceae
MedicinalPollinators & beneficial insectsEdible

Native to the United States

Native Range

Northern temperate regions, Europe and North America

Native to: Alaska, California, Colorado, Connecticut, Iowa, Idaho, Illinois, Indiana, Massachusetts, Maine, Michigan, Minnesota, Montana, North Dakota, New Hampshire, New Jersey, New York, Ohio, Oregon, Pennsylvania, Utah, Vermont, Washington, Wisconsin, Wyoming

Seasonality

Bloom Season

J
F
M
A
M
J
J
A
S
O
N
D

Edible Parts

root

Season of Interest

Summer

Similar ground covers you might consider:

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Companion Planting

Plants well with