Yes you can eat Japanese Knotweed and in fact it has some very beneficial health benefits due to it resveratrol content.
Resveratrol is found naturally in Japanese Knotweed but we don’t offer any advice on it consuption for health benefits.
We have made a Youtube playlist of videos showing you how to collect and eat Japanese Knotweed safely.
We do STRESS that you take great care in sourcing your knotweed as it may be contaminated with weed killer and if you cause the unintentional spread of knotweed you can be prosecuted by the Environment Agency.
How to Harvest and Eat Japanese Knotweed
Leda's Urban Homestead: Japanese Knotweed
Locavore Leda Meredith, author of The Forager's Feast and of Northeast Foraging, shows you how to safely identify, harvest, and prepare Japanese knotweed - an invasive plant that happens to be delicious.