Does Rock Salt Hurt Plants?


Question: Is rock salt harmful to the grass and shrubs that border walks? ED, Colorado

Answer: A moderate amount of rock salt used on walks and drives in winter will be dissipated by melting snow and rain and do no damage. Any heavy concentration of salt in the soil moisture will not be tolerated by any plants except a few kinds of grass and shrubs such as are found along the seashore. However, the rock salt used in winter is usually gone by the time growth begins in the spring and does no damage.

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