| Check with your local community government regarding ordances which require control of noxious plants; also contact your State forestry or wildlife department. I understand that Japanese Knotweed is on the PA list of invasive weeds. Your neighborhood may not have a specific regulation which would apply, but it would probably be worthwhile to contact a Pennsylvania law school or university to learn if there are state laws governing the knotweed invasion. I'm not a PA resident and not familiar with PA laws or regs, however I would consider it unlikely for you to be breaking any sort of regulation by removing the plant's branches and/or roots from your property, but there may be some regulation that would require the neighbor to keep the JK under control. I strongly suggest that you do NOT apply salt to your soil as it can take many years to rinse sufficiently for *any* plant to grow, and [of course] the salt will leach and re-distribute whenever it rains, snows, or is irrigated, which will increase the potential dead area. |
Here is a link that might be useful: Japanese knotweed
