How long does poison ivy oils stay on tools----1 week, 1 month, a year? I am wondering if I should clean all of my garden tools with Tecnu that may have come in contact with poison ivy even if I have not used them for over a year.


Urushiol, the plants oil, is a residue that can stay on tools for years. Even if you haven't use them for a year, cleaning the tools that have come in contact with the plants with Tecnu Original is a good idea.

Tecnu Original uses