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How to identify Japanese knotweed in the winter

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What is Japanese Knotweed?

Japanese knotweed is a fast-growing, invasive weed. It is relatively attractive to the eye and especially attractive to insects. Japanese knotweed can remain dormant for over twenty years, but once it begins to grow, it can spread at a length of 1.2 metres per month. It develops a series of underground roots and shoots, referred to as rhizomes, which can grow out for several metres from the original stand. It is characteristic by its hollow, purple stems and heart-shaped leaves. If you would like to know what Japanese Knotweed looks like in the Winter, carry on reading!

Japanese Knotweed in the winter

Japanese knotweed displays certain characteristics in the winter to make it more recognisable to the public.  As we move into winter, the leaves of Japanese Knotweed will fall from the plant and the canes will die off. The canes turn brown and have a dark orange centre. The canes stay standing throughout the winter months and can occasionally be seen amongst new stands in the summer.

What do I do if I think I have Japanese Knotweed?

If you think you have Japanese knotweed on your property- do not touch it. It can cause serious damage to your property and the surrounding environment, and the attempted removal of it can have serious environmental and legal implications. If you aren’t sure, and need professional advice on identifying Japanese knotweed, please contacts us.