POISON IVY FACTS, MYTHS & IDENTIFICATION. Poison Ivy ( Rhus radicans or Toxicodendron radicans ) is in the Sumac Family. A deciduous vine hardy to zone 2, can climb up to 40 ft. in a tree or on other objects It is native to most of the United States
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Poison Ivy (Rhus radicans or Toxicodendron radicans) is in the Sumac Family.
A deciduous vine hardy to zone 2, can climb up to 40 ft. in a tree or on other objects
It is native to most of the United States
Usually identified by three leaflets per “leaf”, also develops aerial roots which can attach to trees, fences, or other structures
Male and female on separate plants (dioecious), fruits eaten by birds and scattered throughout the landscape and unmaintained areas
Can grow just about any where, sun or shade, wet or dry, good or poor soil
Contains the oil, urushiol (you-ROO-shee-all) which, when it comes in contact with the skin, people can develop an allergic reaction and a rash
The oil can remain potent for up to five years
Three ways to get rash:
Direct Contact – touching a plant that contains urushiol
Indirect Contact – Urushiol can stick to almost anything, pets fur, garden tools, clothing, shoes
Airborne Contact – Burning poison ivy releases particles of urushiol which can contact skin
No, this is not poison ivy.
It is Virginia Creeper, which is growing on an old barn in Pennsylvania.
Virginia Creeper is often confused with poison ivy. Note the groups of 5 leaflets, instead of the more characteristic
'leaves of three' configuration of poison ivy.
It is interesting to note that these poison ivy leaves look a lot different than the other poison ivy plants we have shown.
That is an important reminder that poison ivy can look like a lot of different plants and you should try to remember its main characteristics instead of trying to memorize specific poison ivy pictures if you really want to avoid it.
There is a lot of different things growing here, but the plants in the middle are poison ivy.
Note the aerial roots attached to the bark
Like poison ivy, poison oak usually grows in clusters of three leaves.
the urushiol, which is the oil from the poison ivy that triggers the rash, around
your body and actually make the reaction worse.
tools, and your clothes, with rubbing alcohol and water.