NB Invasive Species
Report a Species
News & Events
You Can Help!
Japanese Knotweed - Fallopia japonica
A striking semi-woody, perennial with bambo like stems up to 3m high
Introduced as ornamental
Young shoots (up to 6-8cm) can be used like rhubarb
species in NB are either twining/trailing or do not have squarish leaf bases
Excludes native species and is of little value to wildlife
In optimal conditions it can grow 8cm/day
Extensive and deep rhizomes make it extremely diffcult to control, the plant can regenerate from a rhizome piece as small as 5 grams
Very adaptable but usually found in moister areas from full sun to medium shade
Found thoughout Canada and the USA except in the very driest conditions
"Funding for this project was provided in part by the Invasive Alien Species Partnership Program,
a Government of Canada initiative."