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Himalayan Balsam

Himalayan Balsam

What is Himalayan Balsam?

Himalayan Balsam (Impatiens Glandulifera) is the tallest growing annual plant in the United Kingdom and Ireland. It is highly invasive due to its unique seed distribution method and its ability to grow 3 metres in height in a 3 month period.

Why is Himalayan Balsam a problem in the UK and Ireland?

It is commonly found adjacent to watercourses, in damp ground and increasingly on roadside verges. The plant has an explosive mechanism by which ripe seeds are hurled from the plant, to enlarge the colony or be carried away by water to fresh ground and the seeds may be thrown as far as 2m away. As it is an annual, it has no other reproductive method other than seed, and thus prevention of seeding is the key to control.


Think you could have Himalayan Balsam on your land? Click here to identify Himalayan Balsam.


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Japanese knotweed growing in front of houses in London


Do you have Japanese Knotweed? Has your buyer’s mortgage been refused? TCM supply eradication solutions for homeowners.

Japanese knotweed rhizome


TCM provide science based solutions to a wide range of industries including construction, rail, road and the London Overground.

Howard Downer, MD of TCM Ltd


Howard Downer, AKA Dr. Knotweed, has over 20 years of experience as an Environmental Consultant and is regarded by his peers as one of the most knowledgeable people in the Japanese knotweed industry.

Follow Dr. Knotweed to hear of about the latest developments regarding Japanese knotweed and the implications of infestation.

Latest Residential Case Studies

  • Japanese knotweed growing in front garden of a London home

    Japanese knotweed – London

    Japanese knotweed was growing in the front garden of a North London property. The homeowner wanted to sell in 2017…

  • Image of a Japanese knotweed survey being undertaken

    Homeowner Wishing To Sell

    Has your mortgage been refused? TCM helped a homeowner who was wishing to sell his property but had Japanese knotweed…

Latest Commercial Case Studies

  • Japanese knotweed Soil Screening Project in Dorset

    Soil Screening Project, Dorset

    TCM soil screening project – eradicating Japanese knotweed at the site of commercial home building project Devon, UK.

  • Japanese knotweed soil screening on commercial site in Wales

    Brownfield Site, Glasgow

    Commercial soil screening project. TCM were commissioned by a Commercial company wishing to develop a brownfield site in Glasgow, Scotland.…

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