Japanese knotweed and construction sites – herbicide treatment or physical removal?

It’s a question we’re often asked, and there is a very clear answer. 

If your planned works are likely to result in ground disturbance do NOT rely on herbicide alone. The entire rhizome system should be removed, because the chances are that not all of the rhizome system will be killed by herbicide, the consequence being that your groundworks will spread the knotweed around the site, and possibly off-site too.

Japanese knotweed growing in neighbours garden

5 key facts Estate Agents should know about Japanese knotweed

Finding Japanese knotweed on a property can halt a house sale.

Whilst there are various ways to get rid of this invasive perennial, if identification is left until the 11th hour of the sale, it can become a nightmare problem to deal with. There’s a legal duty on Estate Agents to disclose the presence of Japanese knotweed under CPR, so in our experience it’s best to be honest with the buyer to gain their trust which should make any transaction go through without a hitch.

Japanese knotweed growing in the garden

Non-disclosure of Japanese knotweed leads to massive increase in misrepresentation claims

A new warning has been issued to buyers of property about the ever increasing spread of Japanese knotweed.

Knotted is dubbed the “UK’s most aggressive and destructive plant”. Based upon the number of enquiries received in the last two months, it seems there must be many desperate sellers prepared to give false information to buyers in order to sell their property, perhaps without fully understanding the consequences of their deceit.

Eco-Innovation Awards Winner

Eco-Innovation Awards Scheme report by winner in First News

Published on 3rd June 2016 in First News, the only weekly newspaper for young people.

Our Eco-Innovations Awards scheme that launched last year at the Moat School features in the latest edition of First News. This newspaper is read by two million 7 to 14 year olds. 

Miles Bloomfield, one of the pupils who took part in the awards, speaks about his experience.

Japanese knotweed growing in garden

Japanese knotweed - one plant you hopefully won’t see at the Chelsea Flower Show

The RHS Chelsea Flower Show opens today until 28th May. 

The grounds of the Royal Hospital Chelsea will be transformed, showing off some of the most spectacular garden designs in the world. Let's just hope that Japanese knotweed doesn't feature anywhere at the show!

Originally introduced into the UK as an ornamental plant in the 1820s, the Victorians considered Japanese knotweed a beautiful border shrub. It produces tiny creamy-white flowers in late summer, by which time the stems are up to 3 metres high and extremely dense. 

Japanese knotweed new shoots

Surrey Advertiser, Guildford Edition - Knotty Problem

Published on Friday 22nd April 2016 in the Surrey Advertiser, Guildford Edition.

Environet, a Japanese knotweed removal company based in Send, warns local residents to look out for Japanese knotweed. 

This plant, which lays dormant over the winter has remerged, thanks to the mild and wet winter. 

House sellers should be aware that there is now a legal duty to declare if the property has had Japanese knotweed.

Japanese knotweed hu zhang

Does Japanese knotweed have any redeeming qualities?

Japanese knotweed (Fallopia Japonica), has earned itself a negative reputation in the UK.

Japanese knotweed is regarded as being the UK’s most aggressive and destructive plant, spreading across the UK and causing havoc to those unfortunate enough to own property in its way.  It’s undoubtedly a nuisance to have on your land. It causes damage to property, it's expensive to get rid of, and can potentially devalue your property. 

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