Typical Poison-Oak Appearances
By The Month

January

Most berries gone; no leaves.
 

February

Dormancy is broken; lots of red.

March

Reds and light greens.

April


Leaves bronzed; blossoming peaks.

May


Thick and darker green.

June

The thinning of foliage begins.

July

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

August

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

September

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

October

The remaining leaves get really red!

November

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

December

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