Any activity on the lawn while it is frosty, such as walking on it or mowing it, can break the grass blades. When a heavy object presses on frozen blades, the expanded water molecules slice through the grass and cause significant cellular damage. Quite often during this time of the year you will see golf courses with frost delays or sports fields where managers request no traffic on frosted turf.
If your lawn does freeze and you need to walk on it or mow it, consider waiting until the sun is high enough to melt the frost. You can see the results of the damage when the blades produce a white or beige hue from being crushed along with the icy frost. The lawn will recover eventually, but it might not fully bounce back until the following spring.
If you can’t prevent people from stepping on the frosted grass, here are a few things you can do to give your grass its best chance of fighting the frost:
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