Snow in Summer (Cerastium tomentosum)
Description
Cerastium tomentosum (Snow-in-Summer) is an herbaceous flowering plant and a member of the carnation family. It is generally distinguished from other species of its genus by "tomentose" or felty foliage. It is a low, spreading perennial native to alpine regions of Europe. The stems & leaves are silvery-grey, whilst the flowers are star-like, white & about 15mm across. Not surprisingly, C. tomentosum flowers in summer, but may also bloom at other times of the year. It has proven popular as a cultivated ornamental and can be found in gardens the world over. It is an evergreen, creeping off-shoot, perennial, herbaceous plant that reaches heights of growth of 15 to 30 (rarely to 45) centimeters. It is overall densely hairy. The leaves are up to 30 millimeters long and linear to lanceolate, which are covered with silky, silvery, frizzy and entangled hairs, forming like whitish felting. The inflorescences consist of up to 15 flowers. The calyx is 5 to 7 millimeters long. The petals are white and twice as long as the calyx. The teeth of the capsule are slightly bent outwards. The flowering period is from May to July in the northern hemisphere, but may also bloom at other times of the year. It has proven popular as a cultivated ornamental and can be found in gardens the world over. It is a horticultural plant, perennial, rocky, forming dense silver carpets. This plant is not very demanding: it likes a poor soil, rich in gravel, well drained, in a sunny place. It spreads easily by its rhizomes. It is native to southern Italy. It is believed to originate from the Caucasus and southeastern Europe. It has naturalized in Canada, the United States and France, where it is often subspontaneous.
Taxonomic tree
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Domain: Eukarya
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Kingdom: Plantae
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Phylum:
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Class: Magnoliopsida
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Order: Caryophyllales
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Family: Caryophyllaceae
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Genus: Cerastium
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