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spring weeds


LawnSite Fanatic
Grand Rapids MI
Have you seen maple tree seedlings? Thousands of them sprouting under maple trees. Had two customers call all ready. Any experience or suggestions? Trimec? Speedzone? Surge? Need pictures? Or is this the wrong place to post weed and fungus pictures?
Soil temp was 55 here yesterday, but getting colder. Is there a site to find the soil temp for various locations?

How many growing degree days GDD until crabgrass sprouts? Last year it was somewhere near a thousand--if i recall.