Cerastium

Cerastium is a genus of around 100 species in the Caryophyllaceae family,  with a global distribution, although most species are native to temperate regions in the northern hemisphere. They grow best in full sun in dry, poor soils.

Cerastium biebersteinii
Cerastium biebersteinii

Snow in Summer

A low growing rock garden plant with silver grey foliage and white flowers.