Why does a walnut produce a chemical, juglone or hydrox juglone? This is a naturally occurring chemical that is a defense mechanism protecting the walnut tree from surrounding plants. What happens to ...

In this episode of ID That Tree, Recep Yildiz a FNR graduate student shares his expertise on how to ID Persian walnut or sometimes called common walnut or English walnut. It is not native to Indiana ...

CLEVELAND, Ohio -- Black walnut trees, which are both native to and common in Northeast Ohio, have a divisive reputation. If you are looking to plant a new tree in a sunny spot with wet soil, black ...