Hello Mid-Ohio Valley farmers and gardeners! This week I want to talk about Tree-of-Heaven (Ailanthus altissima), an invasive ...

Hello Mid-Ohio Valley farmers and gardeners! This week I want to talk about tree of heaven (Ailanthus altissima), an invasive ...

Perhaps the best way to identify a tree of heaven is by smell. Crushed leaves, broken twigs, and scraped bark all give off a strong, sharp, offensive odor. Although sometimes likened to the smell ...

Tree-of-heaven thrives in very poor soils, in exposed locations, and under tough growing conditions, which allowed it to become widespread in many urban areas. It exudes chemicals from its leaves, ...

Question: I’ve noticed these tall trees growing along the bridge across from Stewart Park. They have interesting seed pods.

So, they have a really good food source in the tree of heaven. They also acquire toxic compounds from that food source that makes them unpalatable to birds. They're related to aphids and leaf ...

Every autumn we revel in the beauty of the fall colors. The mixture of red, purple, orange and yellow is the result of chemical processes that take place in the tree as the seasons change from summer ...

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A startup called American Castanea has joined the quest to revive the American chestnut tree, the first step in its plan to ...

After 500 steps, my thighs burned. I glanced at my watch. We'd been trekking for 30 minutes. Only 30 minutes? I thought. The ...

The colours are absolutely stunning. When leaves are green they are working as organs for the tree. The green colour comes from a part of the cell called chlorophyll, which processes sunlight into ...