Once the Callery pear tree was landscapers' favorite – now states are banning this invasive species and urging homeowners to cut it down
- Written by Ryan W. McEwan, Professor of Biology, University of Dayton
Bradford pear trees in bloom along a driveway in Sussex County, Del.Lee Cannon/Flickr, CC BY-SAWhen people think of spring, they often picture flowers and trees blooming. And if you live in the U.S. Northeast, Midwest or South, you have probably seen a medium-sized tree with long branches, covered with small white blooms – the Callery pear (P...