Poison ivy: The plant usually has three broad, tear-shaped leaves. It can grow as a climbing or low-spreading vine that sprawls through grass. Poison oak: The plant has leaves that resemble oak ...

Just thinking about poison ivy can make you itch. Blistering rashes on your arms and ankles, oozing bumps between your fingers and eyelid-swelling exposures are all-too-familiar summer hazards. Poison ...

There are a number of plants to avoid in Delaware. Here's how to identify the big three – poison ivy, oak and sumac.