Japanese knotweed is an invasive species of perennial weed, meaning it lives for longer than 2 years. Due to their robust and penetrative rhizomes (stems), their growth is difficult to control. The presence and over-growth of knotweed can cause many issues to outdoor spaces and building infrastructures surrounding the plant. 

Here is everything you need to know about Japanese knotweed! Use the handy contents below to skip straight to a section. 

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Japanese knotweed typically grows to a max height of 2 metres, but in some extreme cases, it can grow even taller!

Japanese knotweed – or fallopia japonica – is an invasive species found in the UK and across most continents. If the name sounds familiar to you, that’s probably because it’s one of the most well-known (and hated) invasive species in the UK.

Knotweed is well-known for its very deep and extensive rhizome system, the very feature that makes it so difficult to permanently remove. While knotweed is known for its downward growth, if you’ve found your way to this blog, you’re likely wondering just how tall Japanese knotweed can grow.

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Japanese knotweed and residential properties have been in an ongoing battle against one another since the emergence of knotweed in the 1850s. The UK is forecasted to host over 28.4 million households by the end of 2023, so how can we expect Japanese knotweed to make an impact on our residential properties in the future?

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Yes, Japanese knotweed can be eaten – in fact, some say it tastes like rhubarb!

Japanese knotweed is one of the most bothersome invasive species in the UK – it’s difficult to remove and difficult to control. Finding knotweed growing on your property is a nightmare for many homeowners.

There are various different knotweed treatment plans to suit your preferences and situation including herbicide and excavation, but some are now suggesting that the best way to control the spread of Japanese knotweed is to… eat it?

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If you're in the market for a new home, there are lots of different factors that you need to take into consideration. As well as checking that the house is structurally sound, there aren't any major issues, and that it satisfies your wants and needs, it's important that you ask about Japanese knotweed and whether there's any present in the local area.

(Image from Pixabay)

As specialists who deal with Japanese knotweed in a range of locations, we are often asked - should I buy a house with Japanese knotweed next door?

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