The Blog

poison ivy in fall

In spite of its generally tough-guy attitude, poison ivy is one of the first plants to give up and turn colors in the fall. Which makes early fall a great time to look for it. Often you can find trees, walls, or the ground itself covered with bright red, orange and yellow leaves.

TAGS: autumn, fall
September 14, 2017 - 10:31pm
3 - leaved Virginia Creeper

Virginia creeper is supposed to have 5 leaflets in a group. Normally it does, but occasionally it gets "lazy" and only give out 3. Which is a problem for people trying to distinguish it from poison ivy, which always has the the leaflets.

September 5, 2017 - 10:51pm
pacific poison oak map

We have been wondering for years, and still wonder: with so much terrrible poison oak throughout California, why are there no poison oak plant control services?

August 21, 2017 - 4:57pm
poison ivy attacking door

Those wacky guys at Umar Mycka's The Poison Ivy Horticulturist sent us a real nightmare image of poison ivy taking over the side of a house and reaching for the doorknob!

August 15, 2017 - 11:50am
California Firefighters and Poison Oak

Here is an example of many California fire fighters running afoul of poison oak while fighting brush fires. You can watch the video, though you will need to work your way through layers of pop-up windows and a long sponsor video before the "real" video.

August 8, 2017 - 10:58am
poison ivy test

One reason there isn't more research on poison ivy's effect on people is that you basically have to GIVE people the rash to see what happens with different remedies. And nobody much is going to sign up for that.

TAGS: self-test
July 24, 2017 - 9:58pm
poison ivy graphic

Here is a nifty poison ivy graphic from the folks at GreenPal. It is a VERY tall graphic that you can print out and stick on the wall. It is full of good info about all phases of the poison ivy, oak, sumac world.

July 18, 2017 - 11:19am
goat eating poison ivy

This is an odd story for sure. 

We approve strongly of using goats to control poison ivy since it doesn't hurt the goats a bit, is safer than herbicides, and safer than having people tear it out.

TAGS: goats, union
July 10, 2017 - 7:52pm
The Itchy Project

The ITCHY Project: Poison Ivy Education and Research: The Jelesko laboratory at Virginia Tech is the only academic research lab devoted to Poison Ivy/Oak/Sumac research. The Jelesko lab recently launched the Investigating Toxicodendron Change and Habitat for Years (ITCHY) Project to educate the public about poison ivy science (both what is known and still unknown).

July 6, 2017 - 2:02pm

In this 20-second video you can see where visitors to this website come from, at least on June 20. It does change as the season rolls along.

June 28, 2017 - 12:54pm

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