Japanese knotweed is an invasive species. Japanese knotweed is on the Control noxious weed list meaning you must prevent the spread of this plant. Japanese knotweed tolerates full sun, high ...

Japanese Knotweed is also called Japanese bamboo and Mexican bamboo ... It also is extremely strong in that it can push through macadem. There is a related plant, sakhalin knotweed (Polygonum ...