Poison Ivy Yellow Flowers. S., except for California, Alaska and Hawaii. The CDC says that poison ivy grows across the U.
S., except for California, Alaska and Hawaii. In the fall, the leaves may turn yellow, orange or red. Poison ivy, poison oak, and poison sumac (belonging to the Anacardiaceae family) are plants that can cause a rash if individuals come in contact with the oily resin found in them.
The plant produces small, greenish-white clusters of flowers in spring and white, waxy, berry-like fruits in fall.
In the fall, the leaves may turn yellow, orange or red.
It produces yellow-green flowers in the spring and its green leaves can change to yellow and red in autumn. Poison ivy plants grow berries of a dull, white color. Birds and deer eat these berries, but they are not safe for human consumption.