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   What Is Thatch?

Thatch is a layer of living and dead organic matter that is between the zone of vegetation and the soil surface. When a lawn begins to have a spongy feel to it, this can be a sign an excess of thatch is occurring.

   When is Thatch Healthy and Unhealthy for Your Lawn?

Thatch under 1/2 In. Thick is healthy for your lawn as it prevents damage from foot traffic and extreme temperatures. Thatch under a 1/2 In. also helps in preventing weed seeds from germinating. 

Thatch over 1 In. is unhealthy for your lawn as it prevents the lawn from receiving natural and chemical treatments such as oxygen, water, insecticides, and pre-emergent herbicides. Thicker thatch tends to harbor pests and diseases as well.

   When is the Best Time to Dethatch?

Dethatching is a stressful process for the turf, so it should be conducted when the grass is actively growing and the soil is moderately moist. Early spring or early fall is the best time for cool-season grasses

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