Mouseear chickweed

Cerastium fontanum ssp. vulgare (Hartman) Greuter & Burdet

Life cycle

Patch-forming perennial.

mouseear chickweed plant
Mouseear chickweed plant.


Opposite, dark green, oval to spatula-shaped leaves with pointed tips and smooth margins are densely hairy and stalkless.

mouseear chickweed seedling
Mouseear chickweed seedling.


Prostrate, spreading stems are capable of rooting at the nodes to form dense patches. Stems are slender and very finely hairy with swollen nodes.

Flowers and fruit

Small, white flowers have five petals. Each petal is notched deeply to resemble a pair of petals. Green, hairy sepals surround petals. Fruit are slightly curved, cylinder-shaped capsules that contain many tiny, brown seeds.

mouseear chickweed flowers mouseear chickweed flowers & fruit
Mouseear chickweed flowers (left). Mouseear chickweed flowering stem (right).


Seeds and creeping stems.

Similar weeds

Common chickweed [Stellaria media (L.) Vill.] Differs by having an annual habit with hairless leaves and light green foliage.

common chickweed plant common chickweed flower common chickweed foliage & flowers
Common chickweed plant (left). Common chickweed flower (middle). Common chickweed foliage and flowers (right).

Print a PDF of this page: Mouseear chickweed

Back to identifying nursery weeds.

The MSU IPM Program maintains this site as an access point to pest management information at MSU. The IPM Program is administered within the Department of Entomology, fueled by research from the AgBioResearch, delivered to citizens through MSU Extension, and proud to be a part of Project GREEEN.