Arabis alpina subsp. caucasica
Arabis alpina subsp. caucasica Willd.
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Arabis alpina subsp. caucasica is a perennial.
Arabis alpina subsp. caucasica was already described and the name validly published by Carl Ludwig von Willdenow. It was John Isaac Briquet, however, who reclassified it into todays valid botanical systematics in 1913.
The perennials have a mat-forming habit and reach heights of 15 to 20 centimetres. The plants reach a width of 30 to 60 centimetres.
Arabis alpina subsp. caucasica is evergreen. The glaucous, simple leaves are alternate. They are obovate and sessile with dentate margins and arcuate venation.
Flowers and Fruits
Arabis alpina subsp. caucasica produces racemes of erect, white cruciform flowers from March to April.
In summer the perennials carry siliques.
Arabis alpina subsp. caucasica is native to Southern Europe.
The perennials prefer a sunny situation on dry to moderately moist soil. The substrate should be sandy-loamy, gritty-loamy, sandy clay or loamy 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 Arabis alpina subsp. caucasica lies especially in its fragrance. The recommended planting distance is 20 centimetres. Suited for rockeries and for beds and borders, as well as suited as groundcover and as cut flowers.
Maintenance and Propagation
The plants usually require only a moderate amount of maintenance.
- Cut back after flowering.
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.