- English ivy is invasive when growing in areas where it was not planted.
- It is invasive when thick mats or vines inadvertently cover plants, trees or structures.
- It is invasive when producing flowers and seeds and rapidly spreading on its own.
King County
Department of Natural Resources and Parks Water and Land Resources Division.
February 2004
“English ivy (Hedera helix) may conjure up images of cozy, country cottages, but don’t be deceived. This invasive weed can destroy buildings, poison pets, and topple trees.”
Weed Wise
January’s Weed of the Month: English Ivy.
January 2019
So, does this mean that Ivy League Universities are Weed Universities?
A lot of weedy characters come from them and they sure do destroy a lot.
