Tree of heaven is highly invasive and incredibly difficult to eradicate. Learn how to control ailanthus and manage its unchecked spread.

Plus questions on caterpillars on Colorado blue spruce, gorgeous plowers spilling over a boulder wall, on baptisia or blue false indigo and what is the difference between madevilla and dipladenia?

If you're spending time outdoors in Louisiana, it's a good idea to know which plants may cause allergic reactions. More about these 9 poisonous plants ...

Knowing the difference between common edible plants and poisonous counterparts that look just like them can spare you some ...

Michigan's ecosystem is diverse, stunning and perhaps deadly. Growing in the state's woodlands are poisonous plants. Here are ...