Weeds in North Carolina can absolutely ruin the look of your yard. Homeowners spend thousands of dollars each year to win the war on weeds but the war never ends. The best thing you can do is control weeds when they appear and prevent them with pre-emergent weed killers. But before you get rid of those weeds, take a closer look. Weeds can tell you a lot about the content of your soil including fertility and pH levels. By knowing what weeds are growing in your yard you can take corrective measures and changes to your lawn care habits.