Callery (also known as Bradford) pear trees are a pretty sight, but produce a pretty foul odor. They're also illegal in Ohio.

Callery pear aka Bradford pear trees are an eco disaster that Ohio banned because they ruin the ecosystem. Here's why and ...

Callery pear trees, though once popular, are now illegal to plant, grow or sell in Ohio due to their invasive nature. The trees spread easily as birds eat their fruit and disperse the seeds widely.