lots of young green japanese knotweed plants in the grass - fallopia japonica

asian background badly bamboo botanical botany chinese curse dangerous decorative donkey ears edible elephant fallopia fleece fleeceflower focus food frame full fungus garden grass gree green growing growth hancock himalayan invasive japanese japonica knotweed leafs leaves lots many medicinal medicine monkey monkeyweed natural nature ornamental overehead pea pest picture plant plants rhubarb roadside selective shooters shrub species sprouting sprouts taking vegetable vine voer weed wilderness worst young