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Killroy Winter Weed Control Program

November - February is the best time of year to have Killroy apply professional herbicides and keep springtime weeds from taking over!

Weed Control


Killroy is here to help with all your weed control needs:

  • Create fire breaks
  • Clear weeds and unwanted foliage in fields and landscaped areas
  • Clear pathways and passages
  • Control weeds along fence lines and on hillsides or slopes
  • Resolve weed issues anywhere you need!


Our professional winter weed control service prevents most winter weed grasses and annual broadleaf weeds from growingóreducing the need for hand weeding and mowing.

Weed Control can be an important part of your fire safety plan!

Weed Control

Learn more about keeping your home wildfire safe from the Cal Fire preparedness webpage at

Call 888-545-5769 today for helpful advice and to schedule treatment.

Please Note: For hillsides and slopes at risk of erosion, we recommend allowing some weed growth during the rainy season. Our experienced technicians can advise you on a treatment plan for your property that will keep springtime weeds at bay, without risking erosion.

Winter Weed Control Program
(November - February)

Weed Control

Many customers have us apply pre-emergent herbicides annually in winter to prevent a wide spectrum of annual weeds from becoming a fire hazard in the late spring. Gravel areas, fence lines, driveways, propane tanks, and industrial areas where weeds must be controlled are all good areas to treat. Steep slopes should be evaluated for potential erosion issues before being sprayed. Other treatment options exist for chemically mowing these areas in the spring. While not all weeds are controlled, the need for hand weeding and mechanical control can be greatly reduced.