Basally prostrate, rooting at the nodes, with the upper portion erect or ascending up to 8 dm long and freely branching. Stems are light green in color and with hairs in vertical rows. An oval, one-celled capsule, whitish in color, containing numerous seeds. Alone or in small clusters at the ends of stems. Stems with rows of hairs and winter annual growth habit.
Mouseear chickweed is very similar in appearance to common chickweed.
However, this weed is densely covered with hairs unlike common chickweed.