In addition to being rather sensitive to water, Trimac is also sensitive to temperature. It's ideal to apply Gordon's Trimec Lawn Weed Killer on a sunny and warm day — aim for a temperature ...

For example, you could spray the Trimec herbicide over a weekend and then follow up with atrazine a few days later. Using both the Trimec-type and atrazine herbicides on the same lawn will broaden ...

Q: I have Creeping Charlie over about 1⁄3; of my lawn. I used Trimec on it about five years ago, and it seemed to kill it pretty well, but now it is back. Is there anything that will get rid of ...

Trimec-type herbicides contain 2,4-D, dicamba and mecoprop as active ingredients and are very effective against broadleaf weeds. Atrazine has both pre-emergent and post-emergent activity.

Weed control with these trimec herbicides can be improved with follow-up applications two weeks after the initial application. Avoid weed-and-feed products until the lawn greens up, Strahan says.