Here’s everything you need to know and look for as poison hemlock begins to flower. What is poison hemlock? The U.S.

They might look pretty, but Callery pear trees are an invasive species in the US and have the potential to cause chaos in the ...

I have an 8-year-old oak tree. It looks like it has a girdling root. Should we cut through the root in two places so it can be removed, ...