The crabapple tree remained barren through May and June, leaving its caretakers puzzled. A visit to the local garden center revealed a surprising explanation: the winter had been too mild to provide the conditions the tree needed to bloom. In an unexpected way, the tree needed the cold of winter to prepare for the beauty of spring. I sometimes feel sorry for trees in winter. They shed their vibrant canopies and endure bitter winds and freezing temperatures. Without knowing better, we might assume they are lifeless. Yet beneath the surface, something is happening. Their roots continue to grow, reaching deep…