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

2. Boiling Water: For small infestations, pour boiling water over the plants to scald them.This method can kill the plant above ground, but you may need to repeat the process to kill the roots. 3. ...

The plant may have yellow or green flowers or yellow-green berries, depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

The first image showed a completely overgrown patch of land, with poison ivy, sumac, and oak covering pretty ... and can choke the life out of other competing plants you actually want to have ...

A poison ivy ... sumac all produce urushiol, an oily sap that causes an allergic reaction upon contact with the skin. You may develop a rash in about 12 to 48 hours if you touch any of these ...