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Typical Poison-Oak Appearances
By The Month

January

6
Most berries gone; no leaves.
 

February

5
Dormancy is broken; lots of red.


March

9
Reds and light greens.


April

1
Leaves bronzed; blossoming peaks.
2


May

10
Thick and darker green.


June

8
The thinning of foliage begins.


July

7
Rhizomes become visible, running along the
surface of the ground.


August

3
Leaflets this color help you identify the plant.
Look for them on the ground under the plant.


September

14

The foliage has thinned considerably;
the dropped leaves are redder.

15


October

12

The remaining leaves get really red!

13


November

11
The fruit is mature; most of the leaves are gone.


December

4
Each warm spell a few small pale-green
leaves are temporarily produced.

All content copyright Dr. Curt Beebe. Please do not use without permission.