A Bradford pear tree in bloom is a sure sign that springtime is in the ... They were also pest-resistant and disease-free.

A Bradford pear tree in bloom is a sure sign that springtime ... They were also pest-resistant and disease-free. Today, these trees are known to be an invasive species, growing rapidly and ...

Gardeners with apple or pear trees ... canker can kill a tree within a single season and spread to others. The Royal Horticultural Society explains: "Apple canker is a disease caused by a fungus ...