The Nature Conservancy of Canada is warning people to be on the look out for Japanese Knotweed.
It is prevalent in northwestern Ontario, primarily in the Thunder Bay district.
Andrew Holland says the weed is very aggressive and can impact native species.
Holland says it can grow up to three inches per day and over three feet in a few weeks.
He calls the weed fearless and says it hurts the economy because of the amount of damage it can cause, as it is able to grow through 8-centimetres of concrete and asphalt.
Holland says if it’s in your backyard you can mow it, but it can take five years to eradicate it if you do treat it on your own.
To avoid the spread of Japanese Knotweed make sure to clean off your vehicle, clothes and stay on existing walking trails when exploring the outdoors.
