Can You Kill Weeds in the Winter?

In warmer regions that get little to no snow, killing weeds in winter can be the best time for active weed control. Because your grass goes dormant in the winter, cool-weather broadleaf weeds stick out like a sore thumb. ... Another good method for winter weed control is to apply a weed and feed fertilizer.

What to use to kill weeds in the winter?

An effective way to kill winter weeds is to use both atrazine and Trimec-type herbicides on the same lawn within a week of each other. For example, you could spray Trimec, Weed B Gon or Weed Free Zone over a weekend and then follow up this application with atrazine a few days later.

Can you use weedkiller in winter?

The best time of year to use weed killer is Spring, followed by Fall. ... Weed killers work better in warmer months rather than colder ones, so the next best season in which to target weeds is summer, followed lastly by Winter.