Giant Butterbur - Petasites japonicus
Petasites japonicus is a substantial plant, producing huge suborbicular leaves to 90cm across, reaching 150cm in height, in summer. Flowers are cream to white, borne on stout erect stems to 30cm.
Unless identified by a recognised expert, a photo is required. If the photo doesn't show the key ID features then in the comments box describe the size and identifying characters you have observed.
Prefers damp conditions.
Flowers in February and March.
Perennial rhizomatous plant.
Occasional but quite widespread in Britain.
Rarely recorded in Leicestershire and Rutland.
Peter Smith
Baggrave Hall
17 March 2019
Peter Smith
Baggrave Hall
17 March 2019
Peter Smith
Baggrave Hall
17 March 2019
Leicestershire & Rutland Map
Enter a town or village to see local records
MAP KEY:
Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2025+ | 2020-2024 | pre-2020
UK Map
Species profile
- Common names
- Creamy Butterbur, Giant Butterbur
- Species group:
- flowering plant
- Kingdom:
- Plantae
- Order:
- Asterales
- Family:
- Asteraceae
- Records on NatureSpot:
- 2
- First record:
- 17/03/2019 (Smith, Peter)
- Last record:
- 20/05/2022 (Markham, Marian)
Total records by month
% of records within its species group
10km squares with records
The latest images and records displayed below include those awaiting verification checks so we cannot guarantee that every identification is correct. Once accepted, the record displays a green tick.
In the Latest Records section, click on the header to sort A-Z, and again to sort Z-A. Use the header boxes to filter the list.