Most pear tree varieties require cross-pollination from ... One of the most well-known types of flowering pear trees is ...

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 ...

Pear trees are highly susceptible to a bacterial disease called fire blight, caused by the bacterium Erwinia amylovora. There ...

Pear trees are highly susceptible to a bacterial disease called fire blight, caused by the bacterium Erwinia amylovora. There are some slightly tolerant varieties available. Fire blight is most ...