SOMERSET, Pa.—The mercury dipped below freezing here recently, breaking a run of days with highs in the upper 60s, and gave Mike Lynch hope that this year’s maple-syrup harvest still has life in it. “Today will let us know if maple season is over or not,” he said recently, as he drove past a few llamas and 70 head of cattle he and his wife keep on his property an hour southeast of Pittsburgh. A long stretch of springlike...

Source: Wall Street Journal March 04, 2017 12:56 UTC