Great pre-emergent herbicide product when used at the proper time (October/November) to prevent spring/summer seed germination of Poa Annua and other listed grasses. Can be used in spring too before grass appears.
Safe for use on Dichondra lawns, too.
Be sure to follow all label instructions... Including watering for several minutes to move herbicide into soil and create a layer that prevents weed seed germination. Lasts 3-6 months per application.
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