A group of walkers learn what is and isn’t poison ivy from Jon Sachs, who runs the top poison ivy info site. Each walker got a free poster.
(Click each image to see it larger and read captions.)
June 4, 2016: Poison Ivy Walk with Jon Sachs
![](https://marycummingspark.org/wp-content/uploads/6-4-16-1-wide-1200x258.jpg)
A group of walkers learn what is and isn’t poison ivy from Jon Sachs, who runs the top poison ivy info site. Each walker got a free poster.
(Click each image to see it larger and read captions.)