How do we fix our flower beds, meadow and borders after Goldenrod has invaded? - Cooperative Extension: Garden and Yard - University of Maine Cooperative Extension

Question: Goldenrod (canadensis) has invaded flower beds, meadow, and woodland border. At first I didn’t mind, but the goldenrod is turning into a monoculture. I have read that part of its success is because it is allelopathic. What is the chemical(s) and is there a study or list of plants that are not affected? For read more