Mouseear chickweed is a winter perennial.
The leaves are opposite, oblong and covered with hair. Mouseear chickweed grows prostrate but will have several upright stems, and can tolerate close mowing. Mouseear chickweed has a fibrous root system. The flowers of mouseear chickweed are white and contain 5 petals which are notched at the tip. Mouseear chickweed spreads by seed, but can root at the nodes.