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Maria from Portland, Oregon writes

How often do I apply Tenacity to healthy lawn to keep the bentgrass out?

I have killed the Bentgrass with Tenacity and reseeded. New grass is now growing in those areas. It is mid-October in NW Oregon. How often should I apply Tenacity to prevent the Bentgrass from coming back?

Answer:

You can reapply Tenacity Herbicide when the newly germinated turf has been mowed two to three times or four weeks after emergence, which is longer. Repeat applications can be done after two to three weeks for continued post emergent weed control.

Answer last updated on: 10/12/2014

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Tenacity Herbicide

Tenacity Herbicide

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