Andy Sands / Duke of Burgundy butterfly (Hamearis lucina) resting on foodplant Cowslip (Primula veris), Bedfordshire, England, UK, May

Andy Sands / Duke of Burgundy butterfly (Hamearis lucina) resting on foodplant Cowslip (Primula veris), Bedfordshire, England, UK, May

Andy Sands / Orange tip butterfly (Anthocharis cardamines) Male perched on Cowslip (Primula veris), Bedfordshire, England, UK, May

Andy Sands / Brimstone butterfly (Goneopteryx rhamni) male walking from roosting on Cowslip (Primula veris) Bedfordshire, England, UK, April

Andy Sands / Brimstone butterfly (Goneopteryx rhamni) male roosting on Cowslip (Primula veris) Bedfordshire, England, UK, April

Chris Mattison / Drumstick primula (Primula denticulata) Monmouthshire, Wales, UK. March.

MYN / Dirk Funhoff / Cowslip (Primula veris) flowers, Lorsch, Hessen, Germany. April. Meetyourneighbours.net project

Alex Hyde / Bird's Eye primrose (Primula laurentiana) Nordtirol, Austrian Alps. June.

Dong Lei / Primrose (Primula sp) Basongcuo National Park, Qinghai-Tibet Plateau, Tibet, July.

Ernie Janes / Bee's primrose (Primula beesiana) in flowers, Norfolk, England, UK, May.