Controlling Motherwort and Tree of Heaven

Hi, my new neighbour is a herbalist and her motherwort has jumped over to my yard. How can I control it without using herbicides that might make it into her yard? On the same note, I have (and dislike) a…

Tree of Heaven

Hi there: We have this tree in the backyard and we are not sure if we should let it thrive. When it started growing (on its own) we thought it was a sumac and we were fine with that. But…

Tree of Heaven

Dear Master Gardeners, I manage some “garden zones” on my apartment buildings property; the particular garden zone of concern is a giant concrete planter that a “weed tree” has unfortunately infiltrated. It seems to have grown an underground network. I…

invasive tree

A “Tree of Heaven” was removed from our property line late last fall, the stump and roots were not removed. It is an invasive species with an unpleasant odour and smaller branches that drop in the fall. From what I…

Ailanthus

Can it be burnt for fire wood? Or is it that unsafe?…

What can I grow with Tree of heaven and Black Walnut?

We are in Toronto, with a space that has areas of full sun, part sun/shade, and full shade. Our back yard has about 80% coverage by tree of heaven roots. I’ve accepted that I must just continue pulling root systems…