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Pearl from Lakewood, Nj writes

I put down new sod in late June, it is now mid August and parts of my lawn are being overrun by crab grass, s

Should I apply tenacity now or wait till early fall.? Don't want my lawn to be bleached looking for the rest of the summer.

Answer:

Tenacity Herbicide is best applied right at the time of seeding or close to for best results. It can be applied later if needed for the turfgrasses listed on the label with the following precaution: Avoid spraying on newly germinated turfgrass plants. Wait until the newly germinated turf has been mowed two times or four weeks after emergence (whichever is longer) before making a postemergence application. It can be applied at anytime temps are below 85 degrees for post emergent control. 
Foliage of treated weeds cease growth after application of Tenacity Herbicide, then turn white (loss of chlorophyll) and death may take up to three weeks

Answer last updated on: 08/15/2022

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Tenacity Herbicide

Tenacity Herbicide

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