The Blog

monster poison ivy vine

This photo of a monster poison ivy vine was sent in by a viewer. It reminds me of the monster trees that came alive in Harry Potter.

TAGS: monster
May 21, 2015 - 11:02am
SeeLeaf detection wipes

A poison ivy, poison oak detection system created!

TAGS: SeeLeaf
May 6, 2015 - 11:12pm
Site visitors from Nashville

We just launched this all-new version of this website at midnight on April 27...

TAGS: spring
April 28, 2015 - 10:47pm
staghorn sumac

For some reason, people seem to get particularly steamed up about poison sumac. Specifically, they yell at me when I say it is fairly rare and only grows in very wet areas.

April 12, 2015 - 7:30pm
Poison Ivy and Jewelweed

Poison ivy, oak, and sumac tend to generate a lot of folk tales, meaning stuff that isn't necessarily so. Stuff that hasn't been proven, but really SEEMS to be true or that somebody you trust once told you.

TAGS: folklore
January 4, 2015 - 5:09pm
poison oak or ivy?

In the southeast part of the US, we have both poison ivy and eastern poison oak. But they are pretty hard to tell apart. I was taken to a site in the sandy southern part of New Jersey by a top botanist who grew up there.

TAGS: DNA
December 20, 2014 - 4:50pm

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