Pull up any weeds that are already growing in the area you want to mulch. Use a trowel to help you remove the roots of the weeds, which will decrease how many try to grow back. read more
Scout yard sales for old carpet and wallpaper, efficient sun blocks that prevent weeds. Spread mulch 2 to 4 inches deep to suppress weeds and retain moisture. Always pick straw, not hay, to prevent weeds. read more
You can use weed preventer granules, such as Preen, to prevent weeds from growing for a temporary period of about three months. Some bottles come with a handy dispenser that enables you to spread the granules around plants, bushes, and trees. read more