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Tipps zur Überwinterung von Brugmansien
Written for ABADS by Dr. Hans-Georg Preissel
Herrenhäuser Gärtens, Hannover Germany 

Tips for Over wintering Brugmansia
Translated to English by Dr. Rich Sanders



Most Brugmansia can grow and flower all year round if they are not exposed to damaging temperatures below freezing. But many Brugmansia enthusiasts live in climate zones with pronounced winters. For these growers it is necessary to cultivate their plants in containers so they are transportable and can be brought into an area protected from frost.

The best option for over wintering is in a small greenhouse or other location in which the plants receive full sun. If one maintains the temperature between 54° and 64° F (12° - 18° C), all species and hybrids can be cultivated without difficulty. Most species - in particular B. sanguinea and B. vulcanicola – even flower under these conditions.

Less light is necessary if the plants are stored at lower temperatures. Between 41° and 50° F (5° - 10° C) most Brugmansia growth ceases, so the plants can tolerate storage in darkness for extended periods. B. aurea, B. arborea, B. suaveolens and many hybrids are well-suited to this manner of over wintering. B. sanguinea, B. vulcanicola and B. x flava also survive such a treatment, but will not flower. Although these latter species develop flower buds during the cool winter months, they must have sufficient light to bloom. The heat-loving B. insignis and B. versicolor are unsuitable for cool over wintering under 54° C (12° C).

In the spring and autumn growers must decide when to place Brugmansia out in their summer location, or when to return them again to their winter accommodation. For these moves the following rule of thumb applies: The higher the temperature during winter storage the later the plants should be placed out in spring and the earlier they should be returned to storage in autumn. The most favorable timing for relocation is when the average outdoor temperatures match, as closely as possible, those of the winter location.

Posted in: Brugmansia Care


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