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Common Mouse-Ear Chickweed
Cerastium fontanum
Easy · Beginner friendlyAbout Common Mouse-Ear Chickweed
Common Mouse-Ear Chickweed is a European low-growing perennial naturalized in lawns and pastures throughout the US, forming mats of small hairy oval leaves that resemble mouse ears, with tiny white five-petal flowers on short stems. Distinguished from common chickweed by the hairy leaves and perennial habit. A persistent lawn invader tolerating mowing and establishing widely in moist cool-season turf.
- Groundcover
- Fast-growing
- Cold-hardy
How to care for Common Mouse-Ear Chickweed
Watering
- Springevery 7 days
- Summerevery 5 days
- Fallevery 10 days
- Winterevery 14 days
Soil · Well-draining
- Top dressingPine bark mulch10%
- Main mixPotting soil + perlite 2:170%
- DrainageLECA / gravel20%
Never skip the drainage layer — standing water is the top cause of root rot.
FERTILIZER
This plant needs little to no feeding.
At a Glance
- NativeEurope, East Asia
- Height0.3–1 ft (0.1–0.3 m)
- Spread0.5–1.5 ft (0.2–0.5 m)
- Flower colorWhite
- Foliage colorGreen
- Fruit colorBrown
- SoilLoamy, Well-drained
- LocationsYard
Bloom time
BLOOM CYCLE
Peak bloom
Mar–Nov
Tiny white five-petal flowers spring through fall
Toxicity
No toxicity has been reported for this plant. Still, it is wise to keep pets from chewing on any houseplant.
Educational information, not medical or veterinary advice. If exposure is suspected, contact a doctor or veterinarian.
DISTRIBUTION
- Native
- Introduced
- Europe
- East Asia
History
Cerastium fontanum grows natively across Europe and temperate Asia and has spread worldwide as a cool-season perennial weed of lawns, pastures, and disturbed ground. The Transylvanian botanist Johann Christian Gottlob Baumgarten described it in 1816; the epithet fontanum ('of springs') reflects the species's habitat in mountain seep zones in its native range. In lawns it forms dense mats of low gray-green fuzzy leaves that crowd out turf grasses in cool weather, with small white star-shaped flowers in spring.
Its common name 'mouse-ear chickweed' contrasts with the smaller-leaved true chickweed Stellaria media, and reflects the soft hairy leaf shape. It is edible but less palatable than Stellaria due to the hairs. The subspecies vulgare is the dominant invasive form in North American lawns and pastures. Native to Europe, introduced to North America with colonial pasture seed.
Symbolism & meaning
What It Symbolizes
Common Mouse-Ear Chickweed makes visible humble persistence, forming fuzzy green mats that resist even repeated herbicide and the lawn-mower's wheel. Its name comes from its hairy, oval leaves, which truly do resemble small mouse ears scattered through the turf. As a weed it is mostly an ecological observation rather than a romantic symbol, a quiet reminder that disturbed ground is never empty for long, and that some plants simply outlast all efforts to be rid of them.
- Humble persistence — fuzzy mats resist even repeated herbicides
- Mouse ears — hairy oval leaves resemble small mouse ears
Where the Name Comes From
'Cerastium' from Greek 'keras' meaning horn, for the curved seed capsule; 'fontanum' from Latin means of springs, for the preference for moist conditions.
Related plants
Plants with similar care
Chinese AbeliaAbelia chinensis
Fragrant AbeliaAbelia mosanensis
Large-Flowered AbeliaAbelia uniflora
Glossy AbeliaAbelia x grandiflora
Frequently asked questions
How often should I water Common Mouse-Ear Chickweed?
In summer, water about every 5 days; in winter, about every 14 days. Adjust for heat, pot size and drainage.
How much light does Common Mouse-Ear Chickweed need?
Full sun: 6+ hrs direct. Watch the leaves — scorching or stretching means the light needs adjusting.
Is Common Mouse-Ear Chickweed toxic to cats or dogs?
No toxicity has been reported for this plant. Still, it is wise to keep pets from chewing on any houseplant. Educational information, not medical or veterinary advice. If exposure is suspected, contact a doctor or veterinarian.
Is Common Mouse-Ear Chickweed easy to grow?
Yes — it is considered an easy, beginner-friendly plant.
When does Common Mouse-Ear Chickweed bloom?
It typically blooms Mar–Nov in the Northern Hemisphere.
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