I can't answer this question but I will note that if you are planning on
placing invasive plants in your own compost pile make sure your compost
reaches a high enough temperature for a long enough time to kill any
unwanted seeds.
For more info:
How do we dispose of invasive plant cuttings in Lincoln? In Concord, they
have this:
https://concordma.gov/767/Removing-Invasives
"Disposing of Plants
Bring it to the Composting Site
Residents can bring invasive plants to the Town Composting Site free of
charge! Just bring your removed plants as
