!['Hybrid' Japanese knotweed that can grow from tiny amount of plant spotted](https://cdn.newsserve.net/ONPglobe256.png)
'Hybrid' Japanese knotweed that can grow from tiny amount of plant spotted
Japanese knotweed is an invasive plant that can cause damage to hard surfaces and block drains - but there are also 'hybrid' versions of the plant growing in the UK.
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