Ontario Wildflowers website

Mouse-ear Chickweed
Cerastium fontanum
(formerly Cerastium vulgatum)

Mouse-ear Chickweed (Cerastium fontanum) Other common names: Larger Mouse-ear Chickweed

Other scientific names: Cerastium vulgatum, Cerastium caespitosum, Cerastium holosteoides, Cerastium triviale

French names: Céraiste vulgaire

Family: Pink Family (Caryophyllaceae)

Group: Chickweeds

Flowers: Summer, Autumn;  White;  5 parts (petals)

Leaves: Opposite/Whorled, Entire

Habitat: Fields and Open Areas

Grows in Sun/Shade: Sun

Books: Newcomb's Wildflower Guide: 274   

Native/Non-native: Non-native

Photographs: 53 photographs available, of which 3 are featured on this page. SCROLL DOWN FOR PHOTOGRAPHS.

Range Map is at the bottom of the page

Mouse-ear Chickweed (Cerastium fontanum)

Mouse-ear Chickweed flower. Note the slight split at the tip of each petal.
Mouse-ear Chickweed blooms in late April - it's a very early spring flower.

Mouse-ear Chickweed (Cerastium fontanum)

This shows how tiny these plants and flowers are.

Mouse-ear Chickweed (Cerastium fontanum)

Mouse-ear Chickweed plants, showing the leaves.

Range map for Mouse-ear Chickweed (Cerastium fontanum)

PLEASE NOTE: A coloured Province or State means this species occurs somewhere in that Province/State.
The entire Province/State is coloured, regardless of where in that Province/State it occurs.

(Range map provided courtesy of the USDA website and is displayed here in accordance with their Policies)