silver gray evergreen foliage of cerastium tomentosum also called snow-in-summer, a carpet forming groundcover for rock gardens,

backyard beautiful botany carpet cerastium copy day decorative design dry evergreen flora foliage fragility front garden gardening gray groundcover growth hairy herbaceous landscaped leaf leaves natural nature nobody ornamental outdoors park pebbles perennial plant rock silky silver snowinsummer space stone texture tiny tomentosa tomentosum yard