Hand-pull clover when soil is moist, removing the roots
Mow high to help grass outcompete clover
Improve lawn fertility with nitrogen-rich fertilizer
Overseed thin areas with dense grass seed
Water deeply but infrequently to strengthen grass
Spot-treat clover with a selective broadleaf herbicide labeled for lawns
Apply herbicide when clover is actively growing
Repeat treatment if needed according to label directions
Reseed bare spots after clover dies
Maintain proper lawn pH based on a soil test