If you’ve recently purchased a fruit or nut tree — or if you already have one in your home landscape — take a close look at the trunk near the soil surface. You might see a faint scar where two ...

Twelve-year-old Milo Weinberg remembers the apple tree at Cambridge’s Tobin Montessori School like an old friend. He played around its trunk for years. He learned to ride his bike around it. And when ...