In the fight to control Japanese knotweed, scientists have discovered a new method: Aphalara itadori, a tiny jumping insect from Japan that eats the invasive plant.

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SHORT ANSWER: Yes, you must declare Japanese knotweed when selling a house. Failure to do so can result in legal action from the buyer.

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Japanese Knotweed can be a tricky plant to identify due to the fact its appearance changes throughout the year. It can also look quite similar to other plants like Bindweed, Russian Vine, Bamboo and Broadleaf Dock.

Fortunately, there are a few defining features of Japanese Knotweed to look out for. If you need help identifying Japanese Knotweed, read our handy Japanese Knotweed identification guide.

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Japanese knotweed can decrease a property’s value by up to 20%, but the actual impact varies on a case-by-case basis. If only a small stand is present, the property value may only decrease by 5%. A larger infestation, however, could completely devalue a property! 

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Japanese knotweed is a growing problem in the UK. If you find it growing on your land, you are legally required to stop it from spreading beyond your property. So, can it be removed completely? Read on to find out.

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