Giant knotweed, Sakhalin Knotweed, Sachaline
Polygonum sachalinense

Family: Polygonaceae

What it is like

A herb.

There are about 50 Polygonum species.

Where it is found

It is a temperate plant.

Countries/locations it is found in

Asia, Britain, Europe, Japan, North America, USA

How it is used for food

The young shoots and tips are eaten raw in salads. They are also parboiled and served like asparagus. They can be used in soups. The peeled young stems are used for "rhubarb" sauce. The fruit is eaten. It is also stored in fish oil for later use.

Edible parts

Leaves, seeds

How it is grown

Its other names

Local names

Synonyms

Reynoutria sachalinensis;