At that moment, you've discovered a nightmarish fact – you weren't pulling weeds, that was poison ivy. Here's a little help ...

It would be unlikely that you would encounter poison sumac in your backyard without noticing it. This poisonous plant is a shrub that can grow to 25 feet tall. The leaves are 7 to 15 inches long ...

Poison ivy will always have leaves in groups of three, never more. As it grows, the smaller branches that contain clusters of leaves grow to the left and then to the right, so as a result, they ...

What it looks like: Poison sumac plants grow like small trees in wet, muddy soil. Its stems are red. The leaves grow in clusters of seven to 13 according to the U.S. Food and Drug Administration ...

If you've never received a rash from poison oak, ivy or sumac, the rash could last 21 days or longer. If you have had the rash previously, it will last one to 14 days.

Like poison ivy, poison oak only has leaves in groups of three. The smaller branches that grow off of the main stem of the plant never grow directly across from one another.

Poison ivy will always have leaves in groups of three, never more. As it grows, the smaller branches that contain clusters of leaves grow to the left and then to the right, so as a result, they ...

If you've never received a rash from poison oak, ivy or sumac, the rash could last 21 days or longer. If you have had the rash previously, it will last one to 14 days.

In the U.S. the hazardous plant you're most likely to come into contact with is poison ivy—or its cousins in the genus Toxicodendron, poison oak and poison sumac.

If you've never received a rash from poison oak, ivy or sumac, the rash could last 21 days or longer. If you have had the rash previously, it will last one to 14 days.

AI-assisted summary Poison ivy has three leaves, and the middle leaf has a longer stem. Touching poison ivy causes an allergic reaction due to urushiol oil. Poison oak and poison sumac are related ...