July 2007 entries

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Lawn thatch check-up guide
July 5, 2007

Posted by Kate Stravinskas at 11:46:25 AM | 2 Comment(s)

Thatchinlawns What is lawn thatch?

Thatch is a dense layer of decaying plant matter that accumulates at the surface of the soil. A small layer of thatch is acceptable because it helps retain moisture and prevent soil compaction. But when thatch becomes too thick it prevents fertilizer and water from reaching the roots of the grass making them weak. This build-up of decomposing matter causes your lawn to be more prone to diseases, weeds, thinning, and less tolerant to harsh weather conditions.

How do I check for lawn thatch?

Checking your lawn for thatch is easy. Cut out a section of your lawn and measure the thatch build-up near the top. The recommended amount of thatch, which is healthy for your grass, is between 1/4 inch to 1/2 inch.

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Filed under: general lawn care, Q&A