The Q&A Archives: White spots

Question: My lawn started showing white spots, not brown, and I don't know how to make them stop spreading. Please help!

Answer: I suspect it is Dollar Spot. The dollar spot is a fungus that thrives on dry, undernourished lawns. Infected lawns will show small, white, cobwebby spots in the morning that turns brown later in the day. These patches will grow together to form larger patches.

The best way to treat dollar spot is to apply a flowable sulfur fungicide to the infected areas every three to five days until the spots are gone. Frequent light applications of nitrogen will help your lawn recover after treatment, and regular mowing will cut the tips off of the infected grass, eventually eliminating the damage created by the fungus.

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