Buddleia invasive plant growing in gardens, grass verges, wasteland, railway lines

What is Buddleia?

Buddleia, often known as the “Butterfly Bush”, is an invasive species which has been spread throughout the rail network in the UK by both wind borne seeds and the low pressure drag created by trains. The plant typically invades areas such as quarries, urban wastelands, railways, gravel workings, and building sites.

Though many homeowners have Buddleia in their gardens due to the beautiful flowers and scent it produces, the plant grows aggressively and will become dense unless managed correctly. It will cause other plants to die off, taking over the habitat in which it is located.

Why is Buddleia a problem in the UK and Ireland?

Loose surfaces of stone and soil embankments form a happy substitute for native slopes and screes, and the thickets of Buddleia formed can encroach on safety zones and hamper access for maintenance on the rail network.

Buddleia also causes damage to built structures,  both abandoned and used buildings, bridges, warehouses etc. Indeed, anywhere a small crack or softening of mortar exists which can admit a seed is as suitable for germination and growth as any fissure in a rock face. Deeply penetrating and thickening roots and woody stems soon force masonry apart to costly effect.

As with Japanese knotweed and Himalayan Balsam, the denudation of the understorey of native plants renders banks susceptible to erosion in times of flood.

Buddleia removal & management solutions

Are you concerned about the presence of Buddleia on your property or land?  As invasive species experts, TCM have many years experience in the management and removal of Buddleia from residential and commercial properties throughout the UK. We offer a professional removal service that ensures complete eradication of the species from your land.  

Contact us today to discuss your project. 


What does Buddleia look like? View our image gallery to correctly identify Buddleia.


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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.

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