Too many weeds growing on your lawn? Here's what you need to know about when to apply weed killer to the lawn, alternatives to using a herbicide, and how to keep your lawn healthy and weed-free.

Weeds in the lawn may start innocently enough as a stray patch of dandelions or clover. Before long, they erupt, and you have more weeds than lawn. Applying weed killer keeps weeds in check or stops ...