Laserpitium siler L.
Laserpitium siler is a perennial.
Laserpitium siler is a species in the genus Laserpitium which contains approximately 1 to 103 species and belongs to the family of the Apiaceae (Carrot Family). The type species of the genus is Laserpitium gallicum.
The perennials have a stemless growth and reach heights of 60 to 100 centimetres.
Laserpitium siler has bipinnate leaves that are alternate. The linear leaflets are entire and petiolate.
Flowers and Fruits
Laserpitium siler produces compound umbels of white five-stellate flowers from June to August.
The perennials produce achenes.
Laserpitium siler is native to to the mountain regions of the Iberian Peninsula, France and Central Europe as well as the Apennine and the Balkan Peninsula.
The perennials prefer a sunny to half-shady situation on fresh to moist soil. The substrate should be sandy-loamy, gritty-loamy or sandy clay soil with a pH between 6,5 and 7,5. They tolerate temperatures down to -35Â°C (USDA zone 4).
The recommended planting distance is 40 to 50 centimetres, the perennials are best planted in groups of 3 to 5. Suited as bee pasture.
Maintenance and Propagation
The plants need little to no maintenance if grown under suitable conditions.
- Remove flower heads after flowering.
- Cut back in autumn.
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.