Hi Yield Turf & Ornamental Weed Pre Emergent 28#

This stuff is the bomb!  Apply to your lawn any time of year, up to 4 times per year.  The best time to apply is in the winter when your lawn is dormant (brown).  This kills the weed seeds before they can turn into weeds when the weather warms up.  There are always weed seeds in your lawn, so you can use this any time of year.  Treats up to 7,500 square feet.