Pacific poison oak

What does Pacific poison oak look like?

Leaves of three with lobed, oak-like leaflets that are glossy green, turning red in fall. Grows as a shrub or climbing vine; common in the western US.

Is Pacific poison oak dangerous?

Causes the same urushiol rash as poison ivy, from contact with any part — including in winter when bare.

Commonly confused with

• True oak seedlings: leaves singly, not in threes

What should I do about Pacific poison oak?

Avoid contact, wash promptly if exposed, and never burn it.