Cerastium tomentosum L.
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Cerastium tomentosum is a perennial.
Cerastium tomentosum was described by Carl Linnaeus in 1753. The name is considered as validly published.
Cerastium tomentosum is a species in the genus Cerastium which contains approximately 259 to 380 species and belongs to the family of the Caryophyllaceae (Pink Family). The type species of the genus is Cerastium arvense.
The comparatively fast-growing perennials have a mat-forming habit and reach heights of 5 to 8 centimetres. The plants reach a width of 0.6 to 1 metres.
Cerastium tomentosum is deciduous. The yellow-green, simple leaves are opposite. They are lanceolate with entire margins and pinnate venation. The surface of the leaves is pilose.
Flowers and Fruits
Cerastium tomentosum produces dichasial cymes of white five-stellate flowers from May to July. The plants are hermaphroditic.
Cerastium tomentosum is native to Italy, Sicily and Malta and the Apennine Mountains and is naturalized in the British Isles, in Northern Europe, Central Europe and eastern Central Europe.
The perennials prefer a sunny situation on dry to moderately moist soil. The substrate should be gritty-sandy, sandy-loamy, gritty-loamy or sandy clay soil with a pH between 8 and 10. They tolerate temperatures down to -35Â°C (USDA zone 4).
Classification after Prof. Dr. Sieber
Tolerance of special soil conditions
- none: drought
The ornamental value of Cerastium tomentosum lies especially in the ornamental leaves. The recommended planting distance is 30 to 35 centimetres. Suited for rockeries and for rooftop gardens, as well as suited as groundcover.
Maintenance and Propagation
The plants usually require only a moderate amount of maintenance.
- Cut back in spring.
Pests and Diseases
- Walter Erhardt, Erich GÃ¶tz, Nils BÃ¶deker, Siegmund Seybold: Der groÃe Zander. Eugen Ulmer KG, Stuttgart 2008, ISBN 978-3-8001-5406-7. (Ger.)
- Christoper Brickell (Editor-in-chief): RHS A-Z Encyclopedia of Garden Plants. Third edition. Dorling Kindersley, London 2003, ISBN 0-7513-3738-2.