The sweet mysteries of spring ~ March 23, 1995
by David Heiller The mystery of spring has struck, and all the explanations in the world won’t stop me from gawking. Sweet, sweet mystery of Spring! Take those maple trees. We drilled 43 holes and hammered in aluminum taps on March 11, right at the start of a warm spell. Eighteen inches of snow carpeted the woods that Saturday, and three days later, the carpet was threadbare. That in itself mystified a lot of people. It was the talk of the town. “What happened to the snow? How could so much snow disappear so fast?” But maple trees offer a bigger mystery. You’d think when the warm weather hit, the sap would have flowed fast and filled our buckets. That didn’t happen. The sap didn’t run at all during that warm spell, when it was 60 during the day and 40 at night. Jim Sales, a friend from Askov who used to tend the maple trees at Audubon Center of the North Woods in Sandstone, told me why: the trees need cold nights to go with the warm days. The cold nights tell ...