The Poison Ivy - Poison Oak Blog

fragrant sumac

A viewer sent me this image for a second opinion on whether it is poison ivy. At first glance I thought YES, but then looked closer.

There are two aspects of this plant that are just not right for poison ivy (or poison oak).

October 18, 2022 - 7:35pm
poison ivy fence in the Bronx

There is a wonderful book called "A Tree Grows in Brooklyn". This is a parallel story: A Vine Grows in the Bronx.

TAGS: urban, Bronx
September 24, 2022 - 12:27pm
poison ivy face rash from smoke

Folks, this is why we run this site: to be able to warn people about the dangers of poison ivy (and poison oak and poison sumac).

TAGS: burning
September 16, 2022 - 1:35pm
Poison Ivy in Brooklyn, New York City

You don't usually think of poison ivy as a city plant, but it shows up in lots of cities; here in fabulous Brooklyn.

TAGS: Brooklyn
June 17, 2022 - 4:52pm

A viewer sent in this nice, clear photo of a tree trunk covered with massive, hairy, poison ivy vines. And since this is springtime, fresh leaves are sprouting out from the vine, in a joyful celebration of the new season.

TAGS: spring
May 15, 2022 - 12:21pm
poison ivy rash knee

This is just one of the rashes this gentleman got as a result of clearing out brush and vines in his backyard. This was in Illinois. By end of day he had little bits of itchy spots. By the next day he had the nightmare you see, and a bunch of others.

TAGS: rash, winter
May 2, 2022 - 6:54pm
poison ivy tangle

Here is a tree that is covered by many layers of poison ivy swarming all over it. Many people might not recognize this as a mass of poison ivy vines, but it is. And in a few weeks, the whole thing will be covered with bright red poison ivy leaves.

April 29, 2022 - 9:16am
poison ivy in fall

Poison ivy often reveals itself in the fall.

It tends to turn colors early and so it can stand out from the still-green neighboring plants.

TAGS: autumn
October 9, 2021 - 3:35pm
poison ivy in fall

This is our yearly warning to avoid the great colors that poison ivy likes to show in fall.

If you are out gathering the most colorful fall leaves for a table decoration you might accidentally gather the MOST impresssive leaves, which are often poison ivy!

TAGS: fall, autumn
October 5, 2021 - 12:58pm
poison ivy fencepost

This was taken in lovely Duchess County in New York State on a particularly lovely dairy farm. 

TAGS: fencepost
August 15, 2021 - 6:21pm