1 doctor weighed in:

What's the difference between poison ivy and poison oak? Are they in all parts of the u.S.?

1 doctor weighed in
Dr. Michael Fisher
Dermatology

In brief: Poison Ivy

Everywhere in the us and southern canada except the far west, deserts and at high altitude.
In the west they have poison oak, which is very similar. Both love roadsides and edges of fields. And certainly into southern canada and northern mexico as well.

In brief: Poison Ivy

Everywhere in the us and southern canada except the far west, deserts and at high altitude.
In the west they have poison oak, which is very similar. Both love roadsides and edges of fields. And certainly into southern canada and northern mexico as well.
Dr. Michael Fisher
Dr. Michael Fisher
Thank
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