Though crabgrass is native to Eurasia, it has a long history of popping up in lawns all over the world and if you have this annual weed in your yard, you may have trouble eliminating it.

Read more: How To Know When It's Time To Dethatch Your Lawn To achieve a thick, crabgrass-free lawn, it's important to choose either seeding or pre-emergent treatment based on the season.