Get golf course-like grass with these best weed killers and weed preventers for lawns Choosing the best weed killers for lawn ...

Roundup is a popular weed killer with glyphosate as the main ingredient. The use of Roundup is highly controversial, and some claim that it can cause harm.

Glyphosate: The ‘traditional’ version of Roundup that controls many different weeds. Can take 10-14 days to kill weeds. Pelargonic Acid: A contact herbicide that quickly breaks down cell walls. This ...