This story was originally published in March 2018. Maine may still be in the clutches of winter, but — if you can believe it — the best time to prune apple and pear trees is now, before spring officially arrives. “This is the time of year when the temperature starts to warm up and there’s less danger of interfering with the natural hardiness when you prune,” said Renae Moran, University of Maine Cooperative Extension fruit tree specialist and as…