Distribution: Crimea (southwestern U.S.S.R.).
Synonyms: RHS includes Cerastium bierbersteinii in Cerastium tomentosum.
Hardiness Zone: USDA Zones 3-10 (view
USDA zone map)
Size: 6 in. by indefinite spread
Form: Herbaceous perennial.
Stem/Bud: Stems are prostrate and spreading.
Leaves: Leaves are linear to lance-shaped, silver-grey, 1-1.5 in. long by 1/5 in. wide and covered with fine, white hairs.
Flower: Flowers are white, star-shaped, 5-petaled, notched at the ends, numerous and clustered in loose heads; flowering June to July.
Fruit: Fruit are capsules.
Uses: Use as groundcover or edging in rock gardens, beds and borders. Use on slopes or rock walls. Use as an underplanting and to choke out weeds.
Culture: Grow in full sun in well-drained soil. Chokes out weeds.
Notes: RHS includes Cerastium bierbersteinii in Cerastium tomentosum. RHS spells it as Cerastium biebersteinii.
Notes 2: Introduced in Michigan.