Use Sites: Nurse, Landscape, Turf, Trees, Golf Courses. Effective Against: Crabgrass, Annual bluegrass (Poa annua), Henbit, Knotweed, Chickweed, Spurge, Foxtail, Goosegrass. When to Apply: Before soil temperatures reach 55 degrees F. That is when Crabgrass seeds start to germinate.
Your application should be done 1-2 weeks BEFORE the date's shown on the image map. You may also want to use a site called Greencast for more accurate soil temperature history in your zip code. The item "4oz 11000ft Prodiamine 65WDG Herbicide PRE-EMERGENT CRABGRASS CONTROL Barricade" is in sale since Saturday, November 17, 2018. This item is in the category "Home & Garden\Yard, Garden & Outdoor Living\Gardening Supplies\Weed & Pest Control\Weed Control\Herbicides & Fungicides".The seller is "stackammo" and is located in Louisville, Kentucky. This item can be shipped to United States.