Scientific NameCerastium fontanum ssp. vulgare
Synonyms (former Scientific Names):
Cerastium fontanum ssp. Holosteoides
Cerastium fontanum ssp. Triviale
Mouseear chickweed is generally known as a short-lived weed. It germinates mostly in late summer, fall and early spring. It varies throughout the year. Flowers bloom from May to October. It is not tolerant of drought conditions; however it can remain green even under the snow in winter.
The leaves are oblong shaped and have smooth edges forming a pointed tip. The leaves are also covered with long clammy hairs on the top upper portion and veins of the lower portions. The stems are covered with the same type of hairs.
Mouseear chickweed is not drought tolerant. Mouseear chickweed is a creeping, mat-forming species. Plants reproduce by seeds and roots.
Flower Seed Head
Mouseear chickweed flowers white and very small. The flowers are found in small groups at the end of branches.
Many small knob rounded seeds are found in the pods of the fruits that are small, tan, and cylindrical.
This weed is found throughout North America at various locations- roadsides, woods, lawns, pastures, and abandoned cropland.
upright and nonwoody,
prostrate and nonwoody
Thorns or Spines
Approximate Flower Diameter
Dominant Flower Color
Stem Cross Section
round or oval