Invasive species?

Asked September 23, 2015, 11:37 PM EDT

Hello, attached are 2 photos of a plant that is growing like crazy in shady parts of my yard. Is it invasive? Thank you!

Montgomery County Maryland plant identification flower id native white snakeroot native perennial eupatorium rugosum ageratina altimssima

1 Response

It is Ageratina altissima (formerly referred to a Eupatorium rugosum) common name is White Snakeroot.

It can be a rampant grower if it finds a happy location, but it is not an (non-native) invasive.