Best Height to Cut Grass - How Short to Cut Grass
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For most lawns, the best height is about 3 inches long. Keeping your grass long will create longer roots. The length of the grass is a direct relationship to the length of the roots. Longer roots will draw more nutrients and water from the soil. Longer grass will also keep the soil cooler and hold more moisture. Longer grass will prevent many weeds from germinating. Many weeds need direct sunlight and hot soil to germinate.