Agastache foeniculum (Pursh) Kuntze
Agastache foeniculum is a perennial.
Agastache foeniculum was already described and the name validly published by Frederick Traugott Pursh. It was Carl Ernst Otto Kuntze, however, who reclassified it into todays valid botanical systematics in 1891.
Agastache foeniculum is a species in the genus Agastache which contains approximately 27 to 29 species and belongs to the family of the Lamiaceae (Mint Family). The type species of the genus is Agastache scrophulariifolia.
The perennials have a clumpforming habit and reach heights of 90 to 150 centimetres.
Agastache foeniculum is deciduous. The green, simple leaves are opposite. They are ovate-lanceolate.
Flowers and Fruits
Agastache foeniculum produces spikes of blue labiate flowers from July to August.
The perennials produce schizocarps.
Agastache foeniculum is native to the central Northeast of the US, the northern Prairie States of the US and the Rocky Mountains.
The perennials prefer a sunny situation on moderately moist soil. The substrate should be sandy-loamy or gritty-loamy soil with a pH between 6,5 and 7,5. They tolerate temperatures down to -18Â°C (USDA zone 7).
Classification after Prof. Dr. Sieber
- open areas
Tolerance of special soil conditions
- none: drought, waterlogging, winter dampness
The ornamental value of Agastache foeniculum lies especially in its fragrance. The recommended planting distance is 50 centimetres, the perennials are best planted in groups of 3 to 5. Suited as cut flowers and as bee pasture.
Maintenance and Propagation
The plants usually require only a moderate amount of maintenance.
- Cut back after first flowering to stimulate a second bloom. Cut back after flowering to prevent self-seeding.
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.