Should you remove poisonous plants from your yard?

picture of Nguyen Minh
Nguyen Minh
picture of Charles Hartman
Charles Hartman
Published:
Updated:

A poisonous plant does not automatically have to go. Who uses that corner of your yard decides far more than the plant's reputation does. Removing toxic plants makes sense beside a play set and makes almost none along a back fence you visit twice a year. A few species do have to leave the week you spot them. Most only ask that you learn the name and watch where you put your hands.

I pulled a tangle of vines off a fence line one June and stacked the cuttings on the brush pile behind the shed. In October I burned that pile and coughed for the rest of the evening. Poison ivy, oak and sumac send the allergen up with the smoke, and the CDC warns that smoke irritates your lungs. Never burn any of the three, no matter how tidy the pile looks.

Sort any plant you are unsure about by how you would get hurt. A contact hazard like poison ivy works through skin, so you pay for brushing past. An ingestion hazard only counts if something ends up in a mouth, which narrows your worry down to small children and pets. Then look at your foot traffic. A toxic shrub in a back bed nobody walks through is a different problem from the same shrub beside a swing set.

UF/IFAS puts the point plainly. A plant having some toxic properties is not a reason on its own to pull that plant from your yard. Pokeweed is the example worth sitting with, because pokeweed poisons people and also feeds birds as an important wildlife food source. Plenty of toxic plants in the landscape earn the room you give up. Learning what you have beats clearing the whole bed, and the reading costs you an hour.

Keep It Or Pull It
Reasons to keep
  • The plant feeds birds or other wildlife, the way pokeweed does.
  • You never walk through or reach into that bed.
  • The only risk is swallowing, and no small children or pets use the space.
Reasons to pull
  • You brush past a contact hazard on a path or doorway every week.
  • A toddler or a dog can reach the plant and get a piece into a mouth.
  • You cannot name what you found and it grows where kids play.

The case for removing toxic plants gets weaker once you know what you have. How common a plant is depends on your region, so a weed that covers one state barely shows up two states over. Your state extension service runs plant ID tools for that reason. Cornell adds a caution worth keeping. A plant missing from a poison list is not proof of safety. When you cannot name what you found, look up the photos before you grab anything.

For poison ivy removal, cover every inch of skin you can. Long sleeves, gloves, long pants and boots, with a change of clothes waiting by your door. Bag the cuttings and set the bag out with your trash, or haul the bag to a yard waste site. Where you cannot avoid the exposure, wear a NIOSH-certified R-95 or P-95 respirator or better.

Wash Your Gear The Same Day

Urushiol stays active on tools, gloves and clothing for up to 5 years. Clean your gear before you put anything away, or the gloves you hung up last spring will pass the oil straight back to your skin.

The plants that truly have to go are the ones a child or a dog can reach and put in a mouth, plus anything that stings on contact along a path you walk every day. In my own yard that came to two plants out of a couple dozen. Everything else stays, and you keep your gloves washed and your hands off the stuff you cannot name.

Read the full article: Poisonous Plants: Which Ones Are Truly Deadly

Continue reading