Every year, when acorns drop to the ground — or batter the roof of your car — the state of Maryland puts out the call: They’re collecting, and they’d be happy to have yours. Francis Smith, a natural ...

On a sunny fall day at the edge of Shenandoah National Park, Jake Good, a nursery technician with the Virginia Department of Forestry, was getting acorns and chestnuts into the ground. More than three ...