Cerastium tomentosum Snow in Summer Description The name is most appropriate. In June it certainly looks like a snowdrift with its mass of dainty white flowers. Silver foliage, ground cover. Full sun, dry soil. Sizes & Prices All Snow in Summer Characteristics Hardiness Zone: 3 Light requirements: Sun Height: 6" Native: No Sizes & Prices Size: 2 Yr $11.98 Other Information Snow in Summer Cerastium tomentosum Zone: 3 Sun HT: 6"