Introduced from Japan in the 19th century, Japanese knotweed is now an invasive non-native plant of many riverbanks, waste grounds and roadside verges, where it prevents native species from growing.
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Japanese knotweed is an invasive and persistent weed. Learn how to identify and remove it, in our guide. Japanese knotweed, Fallopia japonica, is a pervasive garden weed. Its creeping roots and bamboo-like stems with large, heart-shaped leaves can quickly take over its growing space.
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On this page, we’ll look at how to identify Japanese knotweed, characteristics of Japanese knotweed, different types of Japanese knotweed, plants that look like Japanese knotweed and many other Japanese knotweed related topics and subtopics.
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Japanese knotweed (Polygonum cuspidatum)—sometimes known as Japanese bamboo or more ruefully Godzilla weed—is one of the world's most invasive plants. Japanese knotweed removal is challenging because of its tenacious nature.
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Japanese knotweed is the most common of 4 invasive knotweed plant species in the UK. These are: Japanese knotweed. Dwarf knotweed. Giant knotweed. Bohemian (hybrid) knotweed. How to identify...
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Japanese knotweed (Reynoutria japonica syn. Fallopia japonica) is a weed that spreads rapidly. In winter the plant dies back to ground level but by early summer the bamboo-like stems emerge from rhizomes deep underground to shoot to over 2.1m (7ft), suppressing all other plant growth.
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