How to Get Rid of Lawn Moss

Overview

Moss is an opportunistic plant that thrives in conditions that grass would consider poor. It loves moist, bare ground and does most of its growing in the cooler and wetter months of winter. Since grass doesn't grow as vigorously in winter, moss is able to spread and take over, especially in areas where grass is weak and thin. When you correct the problems in your lawn that allow moss to thrive, you will help your grass thrive. It is fairly easy to get rid of lawn moss.

Step 1

Inspect your yard for shady areas. Moss thrives in shady locations, so thin out your trees using selective pruning. Remove trees completely if needed to get more sun in your yard.

Step 2

Test your soil pH. Test kits are available at most home improvement stores. Grass doesn't do well in acidic soils, but moss does. If your soil is acidic, spread lime around your yard at the recommended rate on the bag to raise soil pH.

Step 3

Fertilize regularly. Fertilize your grass in the spring and late fall to achieve a thick and lush lawn. Follow the recommended fertilizer rate on the bag and spread it with a broadcast spreader. Healthy grass keeps moss out and fertilizer keeps grass healthy.

Step 4

Abstain from watering your grass in the late evening and overnight. The moisture will remain on the surface of the soil, promoting moss growth. Keep your watering to the early morning hours so that surface of the soil can dry out during the day.

Step 5

Remove the moss mechanically in the spring with a lawn de-thatcher. Up to 75 percent of the moss can be removed this way.

Tips and Warnings

  • Iron can stain concrete and other surfaces, so use care when applying chemical moss killers.

Things You'll Need

  • Saw
  • PH soil test kit
  • Lime
  • Lawn fertilizer
  • Broadcast spreader
  • De-thatcher
  • Chemical moss killer

References

  • Old House Web: Saying Goodbye to Lawn Moss
  • Oregon State University: Controlling Moss in Lawns
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