Tag: Poisonous to touch weeds

Weeds, Weed Control and Mulch

Poisonous to Touch Weed Series: Poison Oak (Toxicodendron diversilobum) and (Toxicodendron pubescens)

Pacific Poison Oak (Toxicodendron diversilobum) and Atlantic Poison Oak (Toxicodendron Toxicodendron pubescens) are the only two poisonous to touch plants in this series that do not grow in Canada except for the very south/western tip of British Columbia. They are not nearly as prevalent as poison ivy with Pacific poison oak occurring natively along the pacific coast of the U.S. and Atlantic poison oak occurring … Continue reading Poisonous to Touch Weed Series: Poison Oak (Toxicodendron diversilobum) and (Toxicodendron pubescens)

Kimberley PacholkoLeave a comment
Weeds, Weed Control and Mulch

Poisonous to Touch Weed Series: Poison Sumac (Toxicodendron vernix)

Poison Sumac (Toxicodendron vernix) is a perennial shrub or small tree, native to eastern Canada as well as east-central and eastern United States. Like poison ivy and poison oak the leaves and berries of this plant contain urushiol (an oily mixture of organic chemical compounds); but the oil is said to be more concentrated in poison sumac. The Urushiol can cause a severe allergic reaction in sensitive … Continue reading Poisonous to Touch Weed Series: Poison Sumac (Toxicodendron vernix)

Kimberley PacholkoLeave a comment