Calcium chloride ice melt pellets are much safer for vegetation and will not cause grass or plants to die.

Is calcium chloride safe for grass?

But did you realize that your lawn is especially vulnerable to damage in these cold months? ... Salt runoff washes from pavement into the ground, and increases salt levels in the soil, often burning grass. Other de-icers such as calcium chloride and magnesium chloride can also cause a great deal of damage to your lawn.

Does calcium chloride kill grass and weeds?

Calcium chloride kills annual weeds, like chickweed (Stellaria media), and harms perennial weeds. It has the same effect on desirable annuals and perennials. ... If calcium chloride has been used as a winter deicer, the best treatment for nearby planting areas is to flush them with water.