The Best Time to Treat Lawn Weeds

Apply pre-emergence herbicides, to control annual grass weeds, two to three months prior to weed seed germination in the spring. Apply post-emergence herbicides, to kill actively growing weeds, anytime during the growing season when the air temperature is 60 to 80 degrees F.

Keywords: lawn weed control, apply lawn herbicide, kill lawn weeds

About this Author

Jennifer Loucks has over 10 years of experience as a former technical writer for a software development company in Wisconsin. Her writing experience includes creating software documentation and help documents for clients and staff along with training curriculum. Loucks holds a Bachelor of Science major from the University of Wisconsin - River Falls specializing in animal science and business.