Pre-Emergence Herbicides
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Read the transcriptIf you're worried about summer weeds like crabgrass or purslane taking over your lawn, late winter is the time to apply the most effective treatment, a pre-emergence herbicide.
UF/IFAS Sites
- Fall Weed Control
- Pesticide Information Office
- Season-long Grassy Weed Control with Various Preemergence Herbicides
UF/IFAS Publications
- Control Summer Weeds in the Lawn in Late Winter (PDF)
- Pre- and Postemergence Herbicides for Use Around Palms and Cycads
- Preemergence Herbicides For Use on Ornamentals
- Time for Preemergence Herbicides (PDF)
- Timing is Critical in the Control of Summer Weeds (PDF)
- Timing's Important When Using Certain Herbicides (PDF)
Other Sites
- Application of Preemergence Herbicides--Iowa State University Extension
- Control of Grassy Weeds in Lawns--Colorado State University Extension
- Turfgrass Weed Control with Preemergence Herbicides--North Carolina State University
- Weed Control in Lawns and Other Turf--University of Minnesota Extension
