Kalanchoe bracteata Scott-Elliot
Kalanchoe bracteata is a succulent shrub.
Kalanchoe bracteata was described by George Francis Scott-Elliot. The name is considered as validly published.
Kalanchoe bracteata is a species in the genus Kalanchoe which contains approximately 76 to 202 species and belongs to the family of the Crassulaceae (Stonecrop Family). The type species of the genus is Kalanchoe laciniata.
The shrubs reach heights of 80 to 120 centimetres.
Wood and Bark
Kalanchoe bracteata is evergreen. The mid-green, simple leaves are opposite. They are ovate, entire and petiolate.
Flowers and Fruits
Kalanchoe bracteata produces panicles of erect, salmon-red cruciform flowers in July.
The shrubs produce follicles.
Kalanchoe bracteata is native to Madagascar and the Comoros.
The shrubs prefer a sunny to half-shady situation on fresh to moist soil. The substrate should be gritty loam. They tolerate temperatures down to -7Â°C (USDA zone 9). Under glass use loamy potting compost with added gravel.
In summer the plants prefer protection from hot midday sun.
The shrubs are suited for cultivation in a cold house and temperate house, the plants should be grown in semi-shade if cultivated outdoors. Suited as indoor plant.
Maintenance and Propagation
- For healthy growth apply a compound fertilizer every 6 weeks during growth.
- Water moderately in summer, give little water in winter.
- temperature in winter should be 10Â°C.
- Sowing in early spring at 21 Â°C.
- Cuttings in spring or in summer
- Layering in spring or in summer
Pests and Diseases
Waxy fibres and honeydew on leaves and shoots indicate an infestation with mealybugs. Apply insecticide or control biologically with predatory ladybirds.
Honeydew, galls and distorted leaves are a sign for an infestation with aphids. Use an insecticide or control biologically , e.g. with parasitic wasps or predators such as Aphidoletes aphidimyza.
White tufts or white covering on the lower surface of the leaves indicates an infection with downy mildew. Remove affected plants and apply a fungicide. To prevent infection improve ventilation, keep the roots moist and do not water the plants from above.
Leaf blotches are a sign of a fungal or bacterial infection. Bacterial spots are rather angular and yellow-rimmed while fungal spots usually are rather rounded with an area of fruiting bodies. Destroy affected parts, additionaly apply fungizide it is is a fungal infection.
- 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.