Bradford pear trees bloom in Winchester, Va. Their beauty and sterility made Bradford pears widely popular, but they wound up being pollinated by other ornamental varieties of Callery pears and turned highly invasive. JEFF TAYLOR/WINCHESTER STAR VIA AP FILE
Janet McConnaughey ASSOCIATED PRESS NEW ORLEANS – Stinky but handsome and widely popular landscape trees have spawned aggressive invaders, creating thickets that overwhelm native plants…
