Japanese Knotweed (F. japonica) is native to Japan, Korea, Taiwan and China, is now widespread in continental Europe and Britain. Knotweed is suited to a wide range of conditions, including […]
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Invasive Species
EU (Birds and Natural Habitats) Regulations 2011 make it an offence to plant, disperse, allow dispersal or cause the spread of listed species such as the plants listed on this page.
A list of Invasive Species in Ireland can be found on invasives.ie. Sightings of invasive species can also be reported on this website or on the website http://records.biodiversityireland.ie/record/invasives.
Rhododendron
Rhododendron (Rhododendron ponticum) is native to both Europe and Asia and was first introduced to parks, gardens, and demesnes in Britain and Ireland in the 1700’s. Rhododendron ponticum is readily […]
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Himalayan Balsam
Himalayan Balsam (Impatiens glandulifera) is native to the western Himalayas but is now invasive in many parts of continental Europe. It can form dense monospecific stands where individual plants can […]
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Giant Hogweed
Giant hogweed (Heracleum mantegazzianum) can colonise waste land and river banks (riparian zones) and can produce a dense colony growing up to 5m high as well as producing 30 to […]
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Giant Rhubarb
Giant rhubarb (Gunnera tinctoria), sometimes referred to as Chilean rhubarb, can be found around coastal cliffs, waterways, roadsides, wet meadows and derelict gardens and fields. Gunnera tinctoria or giant rhubarb […]
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