Common Mouse-Ear Chickweed

Cerastium fontanum

Native to:
Austria, Baltic States, Bulgaria, China, Corse, Czechia-Slovakia, Finland, Føroyar, France, Germany, Greenland, Iceland, India, Italy, Japan, Korea, Morocco, Nansei-shoto, Nepal, Norway, NW. Balkan Pen., Ogasawara-shoto, Poland, Spain, Sweden, Switzerland, Taiwan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Caryophyllaceae
Genus:
Cerastium
Species:
Cerastium fontanum
USDA Symbol:
CEFO2

Growth Characteristics

Life Cycle:
Biennial | Perennial
Growth Habit:
Forb/herb
Height:
45 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
apr,may,jun,jul,aug,sep,oct
Bloom Colors:
white
Ground Cover:
Yes

Garden & Ecology Notes

Wildlife Value:
bees, small insects

Soil Requirements

Soil Type:
moist, well-drained loamy soil
pH:
5.5 - 7.5 (slightly acidic to neutral)
Drainage:
good drainage required
Moisture:
consistently moist
Notes:
thrives in open, grassy habitats

Propagation & Germination

Stratification:
Cold/moist stratification required — 30–60 days
Germination Time:
7–21 days
Notes:
Seeds germinate readily in cool conditions with light. No special treatments typically required beyond cold stratification.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 20C. Germinates within 3 months.

Source: Ontario Rock Garden & Hardy Plant Society