Month: August 2021

Japanese Knotweed

August 18, 2021
Japanese knotweed, (Fallopia japonica syn. Polygonum cuspidatum) is an invasive herbaceous perennial weed introduced from East Asia in the late 1800s as an ornamental and to stabilize streambanks. This has partially aided in dispersal of the plant along streams as seed and other plant parts can be carried downstream and establish new populations. Where does… View Article