The plant may have yellow or green flowers or yellow-green berries, depending on the time of year. Like poison ivy and poison sumac, poison oak releases an oil called urushiol when it sustains damage.

Be cautious not to include harmful or inedible weeds such as poison ivy, poison oak, fire weeds, or lantanas with your tomato plants or other vegetables, as this could render the produce toxic.

Any specific descenting should be done before you enter an area. Fragrant plant - Crush a fragrant plant or evergreen needles and rub on the body particularly heavy scent areas, throat, arms, armpits, ...