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Species · Flowering plants

Giant Hogweed

Heracleum mantegazzianum

27,203Records since 2000
JunePeak month
110Counties with records
Least ConcernIUCN Red List

When it is recorded

Jan45
Feb82
Mar229
Apr920
May1,786
Jun2,348
Jul1,575
Aug1,210
Sep612
Oct306
Nov177
Dec41

GBIF records by month, 2000–2025 (all years combined).

Where it is recorded

#CountyNationRecordsShare
1Scottish Borders Scotland10,959
2North Yorkshire England488
3Kent England408
4Mid Ulster Northern Ireland238
5Leeds England232
6Powys Wales186
7Armagh City, Banbridge and Craig Northern Ireland181
8Glasgow City Scotland162
9City of Edinburgh Scotland142
10Bury England132
11Belfast Northern Ireland131
12Fife Scotland128
13Suffolk England123
14Norfolk England121
15Rotherham England120
12,885 England12,383 Scotland438 Wales876 Northern Ireland

Records per county (GADM level 2) and per nation; one record can count towards several areas. 110 counties in all.

About this species

Records since 2000
27,203
Peak month
June
Counties with records
110
IUCN Red List
Least Concern
Scientific name
Heracleum mantegazzianum
Group
Flowering plants
NBN Atlas records since 2000
47,877
Kingdom
Plantae
Phylum
Tracheophyta
Class
Magnoliopsida
Order
Apiales
Family
Apiaceae
Genus
Heracleum
Name with authority
Heracleum mantegazzianum Sommier & Levier
Contributing datasets
49

Sources: GBIF occurrence data (CC0 / CC BY), JNCC Taxon Designations (OGL), NBN Atlas (open licences), Wikidata (CC0) · Wikidata Q826602 · GBIF 3034825