Drive XLR8 Herbicide Crabgrass Killer
- Product Review (submitted on August 16, 2017):
mixed 1.75 oz. and 2 teaspoons surfactant to 1 gal. water and mixed in pressure sprayer 6 days later crabgrass still going strong green and growing large and small all were sprayed. backyard is dwarf marathon and some dry look with a little yellow this is calif. crabgrass why should this matter and why do they not tell you before I spent $ 70 and bring it up on page 18 of instructions. the stuff does not work in calif.
********* DIY RESPONSE*********
There are certain bio types of crabgrass in California that are resistant to quinclorac, the active ingredient in Drive XLR8. There are a number of options that can be looked at to obtain control of resistant crabgrass. Give us a call at 800-476-3368 and a turf specialist can help troubleshoot the issue.