He wondered: Does poison oak have a taproot, diving deep into the soil, or do the roots spread horizontally near the surface, like a Monterey pine?

If you haven’t had poison oak, you haven’t lived. At least you haven’t lived on the Monterey Peninsula. An internet search of “poison oak FAQ” says it all and then some. I suspect more… ...

DE LUZ — A teacher’s warning to a class of third-graders fromFallbrook’s Maie Ellis Elementary School against touching poisonoak only heightened their interest in the plant.And th… ...

If you've never received a rash from poison oak, ivy or sumac, the rash could last 21 days or longer. If you have had the rash previously, it will last one to 14 days.

The native plant lovers who have been busily trying to transform large chunks of San Francisco's parks must really enjoy working with the soil because they've dug quite a hole for themselves ...

Poison ivy, poison oak, and poison sumac are three plants notorious for causing itchy, uncomfortable rashes that can turn a pleasant outdoor experience into a nightmare. These plants contain ...

Poison oak also never has thorns or edges that are saw-toothed or evenly scalloped. Its leaves will change colors in the fall. According to the experts at poison-ivy.org, ...

Q Can my pets get a rash from poison oak? If my pets get into poison oak, can I get a rash from touching them? A: “Leaves of three, let them be. Berries white, run in fright.” It only t… ...

AUBURN UNIVERSITY, Ala. – Leaves of three, let it be. This saying is playful, but poison ivy and poison oak are no laughing matter. Contact with these plants can result in discomfort and ...