Barry_Cooper published Japanese knotweed:

Nottinghamshire gardeners are being warned about the threat of Japanese knotweed as the plant spreads during the summer.Described as a 'thug' by the Royal Horticultural Society, the attractive appearing plant retreats back underground during the winter, but with its bamboo-like appearance, comes out in force at this time of year leaving a trail of chaos.The green plant stops the growth of other plants, spreading rapidly and can be difficult to remove by conventional means, sometimes requiring...