Story thread · 2 reports / 2 sources

Worst hotspots for Japanese knotweed revealed as homeowners are forced to pay up to £15,000 to battle invasive plant that wrecks gardens and house values

dailymail.co.uk · 10dShare

Whitehall, a small neighbourhood in Darwen, Lancashire, with a population of 9,000, has the highest number of recorded infestations in the country, new data shows.

First report: One of Pennsylvania’s toughest invasive plants: What Japanese knotweed looks like — fox29.com, 13d