If you're heading on an outdoor adventure, you should familiarize yourself with identifying poison ivy. These are the three ...

“While this specific mnemonic device exists to deter people from touching poison ivy, it turns out there are also many ...

Rising atmospheric carbon dioxide levels are causing poison ivy leaves to grow larger and produce more of the toxic oil. Produced by Jacqui Frank. Original reporting by Jessica Orwig. Follow BI ...

Its leaves also have saw-toothed edges, unlike poison sumac. While poison sumac likes to grow in wetlands, most other sumacs prefer drier areas with well-drained soils. Poison ivy and poison oak ...

Invasive plant species are in the spotlight — not just thanks to climate change, which has helped these biodiversity-killers ...

The poison ivy contains an oily resin or sap in all parts of the plant that can cause an allergic reaction in most people ...

Poison Ivy #31 hits stores this Wednesday, as our favorite eco-warrior ventures into the mysterious town of Marshview, where ...

This one is from 2021. Q: We discovered poison ivy in our woods. If our cats and dogs touch it, can it cause them problems? What if they rub up against us humans? A: Neither cats nor dogs suffer ...

Justine Paradis: Kyle Lombard is a forest entomologist with the New Hampshire Division of Forests and Lands. In the summer of ...