The first day of spring arrives every year between March 20th and March 22nd. And in Wisconsin, things are starting to come to life. Buds are breaking, leaves are popping, flowers unfolding and birds are starting their journeys north from their wintering grounds in Central and South America. But how soon will spring occur in the Northwoods compared to southern Wisconsin? Thereâs a little known law that gives us a clue. Learn more on our springtime podcast.