Bladder campion

Bladder Campion

©Northeast Wildlife

Bladder campion

Scientific name: Silene vulgaris
Bladder campion is so-called for the bladder-like bulge that sites just behind the five-petalled flower - this is actually the fused sepals. Look for it on grasslands, farmland and along hedgerows.

Species information


Height: up to 80cm

Conservation status


When to see

May to September


Bladder campion is a common wildflower found growing around the UK in meadows, grasslands and fields, and along hedgerows and roadside verges. It gets its common name from the bladder-like calyx (a bulge made-up of the fused sepals) just behind the flowers; it is in bloom from May to September.

How to identify

Bladder campion has large, balloon-shaped swellings behind its white, five-petalled flowers. It is a medium-tall plant that is usually hairless and greyish.


Found throughout the UK, but most common in England.

Did you know?

Bladder campion is one of the foodplants of the attractive red-and-black froghopper - an insect known for wrapping itself in a frothy mass we call 'cuckoo-spit'.

How people can help

The Wildlife Trusts work closely with farmers and landowners to ensure that our wildlife is protected and to promote wildlife-friendly practices. By working together, we can create Living Landscapes: networks of habitats stretching across town and country that allow wildlife to move about freely and people to enjoy the benefits of nature. Support this greener vision for the future by joining your local Wildlife Trust.