Driving along a suburban road here in Massachusetts, I noticed this nasty poison ivy infestation on a wooden fence.
Poison Ivy
Poison Oak
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Information about poison ivy, oak, sumac and the skin rashes they cause
The Poison Ivy - Poison Oak Blog
Hog peanut is a vine that can be very difficult to tell apart from poison ivy, and they sometimes grow on the ground together.
Hog peanut does not climb as poison ivy does, so if you find a vine on a tree or house it can't be hog peanut (though it could be Virginia creeper).
July 27, 2019 - 2:08pm
Here is a photo from a lovely small town in Pennsylvania.
Like many small towns it has quite a few attractive, solid, brick buildings from the early part of the 1900s.
July 19, 2019 - 1:10pm
We saw this nice little shrub between a parking lot and the road. It is some sort of blue-green evergreen shrub, but with a big mess of poison ivy erupting out of the top.
July 15, 2019 - 8:24pm
Sometimes it seems like poison ivy has a special love for utiliity poles, but in fact it will climb on anything that stands still.
July 8, 2019 - 10:50am
Here is a curious one.
Did the person put the trespass notice OVER the poison ivy vines, or did the vines creep under the notice?
Our guess is that the sign was applied right over the vines, which means the sign-putter-upper probably had no idea what the vine was.
July 3, 2019 - 11:16am
The two plants often grow intermingled, which creates extra confusion.
The five-leaved plant, Virginia Creeper, is a common gound cover that is sold in nurseries. (Touching it seems to bother some people, but it is not a national health scourge like poison ivy.)
June 13, 2019 - 10:40am
Poison ivy most often grows in two forms: a ground vine and a climbing vine.
But it is easy to show that the ground vine will become a climbing vine when it runs into a vertical to climb, such as a wall or a tree.
May 24, 2019 - 5:22pm
Toronto radio hosts Roz and Mocha talk about how Roz is dealing with a major poison ivy rash attack. This is the ONLY radio discussion of poison ivy on this site!
May 21, 2019 - 12:33pm
Here is a lovely example of poison ivy invading a typical hedge outside someone's house.
Note how the hedge is barely growing in the pleasant spring weather, whiile the poison ivy is jumping 6 inches up.
May 20, 2019 - 10:57am
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