Problem: Common Chickweed (Lawns)
Stellaria media The weed grows from seeds that sprout in the fall; plants live for less than a year. Common chickweed grows primarily in damp, shady areas under trees and shrubs and on the north side of buildings, but it can also occur in dormant warm-season grasses. Common chickweed invades home lawns when they begin to thin out from insects, disease, mechanical damage, or shade. It reproduces by seeds and by the creeping stems that root at their joints wherever they touch the soil. It has a low prostrate growing habit, forminga dense mat that crowds out the grass.
Treat the lawn when the plant is growing actively in the early spring or late fall. Repeated applications may be necessary.