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Common Mouse-ear Chickweed

Cerastium fontanum

Also known as Common Mouse-ear, Mouse-ear Chickweed, Mouse-eared Chickweed

groundcoverβ›… part shadeπŸ’§πŸ’§ moderate water❄ Hardy: Zone 3a – Zone 10b

Climate Match for your location

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A low-growing, mat-forming groundcover with small hairy leaves and tiny white flowers. Common in lawns and gardens, it spreads readily and tolerates a wide range of conditions.

Why grow it

Common mouse-ear chickweed establishes quickly in compacted or poor soils where other groundcovers struggle, making it useful for erosion control on marginal sites. It tolerates both drought and wet conditions better than many fine-textured alternatives like creeping thyme, though it lacks the aromatic appeal of culinary groundcovers. In permaculture systems, its rapid growth can stabilize bare ground between slower-establishing plants, though site-specific alternatives may offer more permanent or productive functions once established.

Watch out for

This species can self-seed prolifically once established, potentially outcompeting intentionally planted neighbors if not managed. Its shallow root system means it may not anchor soil as effectively as deeper-rooted groundcovers on steep slopes. In wet seasons or poorly drained sites, dense mats can trap moisture and create conditions favorable to fungal issues in nearby plantings.

Overview

Form
Spreading
Growth Rate
fast
Size
0.25–0.5β€² tall Γ— 1–2β€² wide
Dormancy
evergreen
Family
Caryophyllaceae
Biomass and mulchErosion controlEdible

Native Range

Europe and western Asia

Seasonality

Bloom Season

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

Harvest Season

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

Edible Parts

leaf

Season of Interest

SpringSummer

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Companion Planting

Plants well with