Ornamental pear, Pyrus calleryana, includes a number of specific cultivars or varieties of trees. The variety ‘Bradford’ is the most famous. Other varieties include ‘Aristocrat,’ ‘Autumn ...

Over the years, Callery pear (Pyrus calleryana) has become one of the most widely planted ornamental trees in the US. But over that time, it has also become abundantly clear that it is not the ...