A winter weed that pops up in thin lawns, covering them in purple flowers by late winter.

Square stems with rounded, scalloped, hairy leaves that wrap right around the stem with no leaf stalk. Small pink-purple tubular flowers appear in late winter into spring. Often confused with purple deadnettle, which has triangular leaves with stalks and purple-tinged tops.
Often mistaken for: Purple deadnettle
Sprouts in fall, sits semi-dormant through winter, then flowers and spreads in carpets from February through April.
Shows up in thin or weak cool-season lawns and open landscape beds.

A bulb-forming weed with a strong garlic smell that pops up bright green in dormant lawns and can take years to fully clear.

A low, spreading winter weed that thrives in thin, shady, damp lawns and spreads fast once it takes hold.

A tough perennial weed that loves compacted, thin lawns and sticks around all year.

A tough perennial weed with a taproot that moves into thin, weak turf areas.