Species Detail - Giant Hogweed (Heracleum mantegazzianum) - Species information displayed is based on the dataset "Vascular plants: Online Atlas of Vascular Plants 2012 Onwards".

Terrestrial Map - 10km

Distribution of the number of records recorded within each 10km grid square (ITM).
Live Map

Marine Map - 50km

Distribution of the number of records recorded within each 50km grid square (WGS84).
Live Map

Species image

Heracleum mantegazzianum
Heracleum mantegazzianum
Giant Hogweed
NBNSYS0000003711 UnverifiedUnverified
Invasive Species: Invasive Species || Invasive Species: Invasive Species >> High Impact Invasive Species || Invasive Species: Invasive Species >> Regulation S.I. 477 (Ireland)
heman
Sommier & Levier
flowering plant
Species
240
76
49
24/06/2012
21/08/2024
2 January (recorded in 2018)
7 December (recorded in 1987)
Collated by the National Biodiversity Data Centre from different sources, Vascular plants: Online Atlas of Vascular Plants 2012 Onwards, National Biodiversity Data Centre, Ireland, Giant Hogweed (Heracleum mantegazzianum), accessed 21 April 2025, <https://maps.biodiversityireland.ie/Dataset/409/Species/29131>

Records per month (across all datasets)

National Biodiversity Data Centre, Ireland, Giant Hogweed (Heracleum mantegazzianum), image, accessed 21 April 2025, <https://maps.biodiversityireland.ie/Dataset/409/Species/29131>

Records per year (across all datasets)

National Biodiversity Data Centre, Ireland, Giant Hogweed (Heracleum mantegazzianum), image, accessed 21 April 2025, <https://maps.biodiversityireland.ie/Dataset/409/Species/29131>