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By George Bonnema, Luverne HorticulturalistApril 28, 2020It seems that we are on track for an earlier than average spring, and that means that this is the time to apply crab grass preventer. Crab grass is an annual weed. The seeds don’t germinate until the ground temperature is warm, and that is happening now. This is a pre-emergence herbicide, so once the seed has germinated, the product will not be effective. This is also the time to…
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