Sadly not, it just ‘plays dead’ above ground.
Invasive Weed Blog
Find out all the latest news about Japanese knotweed treatment and removal with our regular blog.
The BBC consumer programme 'Rip Off Britain' earlier this week broadcast a story on Japanese knotweed, featuring a lady in the Midlands unable to get a mortgage due to Japanese knotweed on adjoining land owned by a local council.
The other day I was asked whether Japanese knotweed causes global warming. I had to think this one through.