University of Maryland Extension

Conditions Favoring Lawn Weed Growth

Back to Tips for Weed Prevention and Management 

A healthy, dense, vigorous lawn is the best defense against weeds. Practices that contribute to less weed problems include:

Common Lawn Weeds and Conditions that Favor their Growth

Problem/ConditionWeeds That May Grow
Shade-intolerant turfgrass has begun to thin out and decline in the shadeGround ivy, wild violets
Compacted soilBroadleaf plantain, goosegrassknotweed, prostrate spurge, annual bluegrass
Droughty soilYarrow, prostrate spurge, knotweed, black medic, goosegrass
Wet soilBentgrass, roughstalk bluegrass, Nutsedge, wild violets
Lawn mowed too shortChickweed, crabgrass, annual bluegrass
Lawn grown with infrequent
applications of nitrogen fertilizer
Plantain, black medic, lespedeza, nimblewill, chicory, clover, common speedwell
High levels of nitrogenAnnual bluegrass, Common chickweed
Acidic soilsRed sorrel
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