Is the imperial crown hardy?

Disadvantages of wintering in the house

In principle, the onions of the imperial crown can survive a winter in the cellar and a renewed one Planting in the garden drive out again. However, the constant digging disturbs the development rhythm of the plants, because these can lead to the absence of the magnificent flowers even if they are frequently moved outdoors Flowering time in spring react. In addition, with the conditions in the winter quarters, particular care must be taken to ensure that there are no rot problems on the moisture-sensitive onions. So speaks against wintering in the house:

• the space required
• the amount of work
• the disruption of plant development
• the danger posed by poisonous onions

Conditions for wintering outdoors

Hibernating directly in the field is usually not a problem, even in severe winters, if the bulbs are at the right depth in the ground

planted became. The ideal planting depth for the bulbs of the imperial crown should be about two to three times the bulb height. Since the imperial crown should be planted in relatively sunny locations anyway, this location factor results in a milder average temperature even in winter. However, the winter hardiness mentioned only relates to imperial crowns planted directly in the ground, since potted plants are much more vulnerable to the winter cold outdoors.

Interesting facts about the growth of the imperial crown

The imperial crown forms its leaves at the base of the flower stalk just like the flowers themselves every year. Therefore, at the latest when the seeds ripen, the flower stalk will wither and later the leaves at its base will also die off. When caring for the flower beds in summer and autumn, always remove only those parts of the imperial crown that have already wilted or yellowed. In this way, the plants can still gain energy from the leaves and store it in the bulbs for the next year.

Tips & Tricks

In the case of newly planted imperial crowns, it is advisable to plant the onions in the ground by August at the latest so that they can take root well before winter. For older stocks of imperial crowns, you should leave a part of the stem about 10 centimeters long over the winter. This will help you to orientate yourself spatially with regard to the imperial crowns when working in the bed.