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Petasites hybridus

Butterbur on background of rocks and dirt

Fond of moist ground, Butterbur is a pink, tassled wildflower can often be found carpeting riversides and damp ditches.

With so many small flowers packed densely together, Butterbur is very popular with bees. It is a great source of nectar early in the year, when wildflowers are still rather sparse.

How to spot it

Flower spikes appear before the leaves and have tiny pale pink flowers arranged down stems which are 10-40cm tall. The leaves are very large, sometimes almost 1 meter wide and are downy-grey underneath.

Bright pink-purple Butterbur in focus on blurred background

Where to spot it

Butterbur is found throughout the UK, but is rarer in central and northern Scotland. It inhabits wet meadows, streamsides, roadside ditches and copses.

Best time to spot it

The best time to see Butterbur is in spring, throughout March, April and May.

Things you might not know

  • Butterbur’s common name derives from its large, heart-shaped leaves that were used to wrap butter in the past.
  • Its scientific name is derived from the Greek petasos, meaning a ‘broad-brimmed felt hat’ which also refers to the enormous leaves.
  • Butterbur spreads by rhizomes and large colonies of male or female plants are common.

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