With the warm spring weather, plants are growing, including the poisonous variety such as poison ivy, poison oak and poison sumac.

The plant can have three or more leaves per group. Poison sumac: The plant has seven to 10 leaves per stem that are characterized by smooth surfaces and pointed tips. Immediately wash the part of ...

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.