Japanese knotweed is an upright, herbaceous, perennial plant with hollow, red-speckled bamboo-like stems which can grow over 10 feet tall when mature. Japanese knotweed is listed by the world conservation union as one of the world’s worst invasive species. Pesky weeds have that habit. Understanding the specific part of the. Can you eat japanese knotweed? · learn how to identify, harvest, and prepare japanese knotweed, a sour and earthy plant thats related to rhubarb and bamboo. Might be even really healthy for you…. It’s also medicinal, but more on that later. Is japanese knotweed invasive? Perhaps it should be planted in countries where starvation is annual. What does japanese knotweed taste like? Japanese knotweed is edible, and it’s tasty. Learn more here. · although considered extremely invasive, this plant however has edible shoots in spring and roots that have been found to have medicinal value. · japanese knotweed (jk) is notorious as an aggressive, highly invasive plant known for its rapid growth and ability to damage infrastructure. Oh by the way, it’s edible. · japanese knotweed has a reputation as an aggressive, noxious weed, and it’s well-deserved because it can grow 3 feet (1 m. ) every month, sending roots up to 10 feet (3 m. ) into the earth. Once you know that it’s edible, i hope that you’ll look at this plant with a new perspective. The window for safe harvesting is brief and proper preparation is necessary. Despite its reputation, the young shoots of this perennial herb are edible and have been consumed for generations in its native regions. Is japanese knotweed bad for you? Find out why its so invasive, how to avoid it, and what health benefits it may have. However, this plant isn’t all bad because certain parts of it are edible. · is japanese knotweed edible? Is japanese knotweed edible?