Invasive Plant Species Advice

Invasive Plant Species Advice

‘Invasive Plant Species’ can often be a hindrance on development sites or in relation to utility or construction works. ADAS have a wealth of experience of addressing, avoiding and eliminating issues caused by invasive species. 

Plant species referred to as ‘invasive species’ are generally listed on Schedule 9 of the Wildlife and Countryside Act 1981 (as amended) and as such it is an offence to plant or cause these species to grow in the wild. The plant material is also classified as ‘classified waste’ under the Environmental Protection Act 1990.

In relation to development, the species which generally cause issues and often require remediation or mitigation are:

  • Japanese Knotweed (Fallopia japonica) which can damage buildings and hard surfaces such as asphalt;
  • Himalayan Balsam (Impatiens glandulifera) which if not controlled will spread and take over the land reducing its value for both wildlife and agriculture; and
  • Giant Hogweed (Heracleum mantegazzianum) which contains sap which causes skin to become sensitive to sunlight leading to painful blisters and can cause blinding, this reaction may occur for several years.

ADAS are experts in the management and treatment of invasive plant species. ADAS can help you achieve your project goals through the provision of:

  • Invasive species identification;
  • Invasive species surveys and mapping;
  • Awareness training (CPD) and H+S presentations;
  • Design of control strategies;
  • Working method statements (especially Japanese Knotweed Method Statements);
  • Clerk of works for Japanese Knotweed projects (to demonstrate legal compliance); and
  • Arrangement for disposal of waste.

If you have any concerns regarding the presence of invasive species impacting your projects, please do not hesitate to contact ADAS to discuss your options with our knowledgeable and friendly team of ecological consultants and land managers

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