A very distinctive plant with blueish-green or greyish green waxy leaves, with sharp-toothed spines. It produces tiny blue flowers in a large dome.
It flowers June to September. Found along sandy coastlines, mainly on sand dunes. Common and widespread in England, Wales and Ireland, and absent from north and east Scotland.
June 2012, Llandudno, Wales. Nikon Coolpix P500. Pete Hillman 2012.