Aconitum napellus L.
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Aconitum napellus is a perennial.
Aconitum napellus was described by Carl Linnaeus in 1753. The name is considered as validly published.
The comparatively fast-growing perennials have a stemless growth and reach heights of 1,1 to 1,5 metres. The plants reach a width of 10 to 30 centimetres.
Aconitum napellus is deciduous. The green, simple leaves are alternate. They are palmately lobed and petiolate with dentate margins and palmate venation. The leaves are around 20 to 30 centimetres large.
Flowers and Fruits
Aconitum napellus produces racemes of erect, bluish purple tubular flowers from July to August.
The perennials produce black follicles in autumn.
Aconitum napellus is native to Europe.
The perennials prefer a sunny to half-shady situation on fresh to moist soil. The substrate should be loamy, sandy-loamy, clay, sandy clay or loamy clay soil with a pH between 6,5 and 7,5. They tolerate temperatures down to -23Â°C (USDA zone 6).
Classification after Prof. Dr. Sieber
- woodland borders (soil usually rich in humus)
Aconitum napellus is considered a valuable wild perennial. The recommended planting distance is 40 centimetres, the perennials are best planted in groups of 3 to 5. Suited for cottage gardens and for beds and borders, as well as suited as cut flowers and as bee pasture.
Maintenance and Propagation
The plants usually require only a moderate amount of maintenance.
- water during dry periods.
- Cut back after flowering.
Propagate by sowing or by division.
Aconitum napellus is toxic.
Please read the health issues note!
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.