Japanese Knotweed

Fallopia japonica

Description:
Japanese Knotweed
Facts:

This highly invasive species reproduces vegetatively and forms dense monoculture stands that force out native species. It will grow almost anywhere but is often found beside waterways which assist in its reproduction.

It also causes much damage to roads and structures because of its powerful root and rhizome structure. Very difficult to eradicate as it can regrow from the smallest piece of stem remaining.

Introduced:

Mid 1800's
Origin:
Japan
Location:
All of the UK with the exception of some offshore islands
Status:
Has strong foothold and is spreading.
Problems:
Comments:
Damage to roads and paths,reduces biodiversity by outcompeting native species