Most carnations are hardy

Most carnations are hardy

Hibernate carnations properly

Many types of carnation, especially the very robust Karthäuselke, are considered extremely hardy. These plants prove to be frost-resistant even at temperatures of around - 25 ° C and are therefore also suitable for regions that are very cold in winter. However, other Dianthus species are more sensitive and should therefore be provided with light winter protection. For example, it makes sense to cover it with brushwood (especially spruce branches), as this still allows sufficient air and light to reach the plants.

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Carnations often shrink from moisture

However, the biggest problem with cloves is not so much their sensitivity to frost, but rather their sensitivity to moisture. Above all, garden and land carnations do not die in winter because of the cold, but because it is simply too wet for them and they rot. After all, these are plants that love drought. So if you want to bring your carnations successfully through the winter, you should try to avoid excessive moisture as much as possible.

Hibernate cloves in a pot

Like their relatives in the garden, carnations in pots are generally hardy and can overwinter outdoors. Since the roots freeze through faster in the narrow pots, the planters should be protected against penetrating frost. This is done by placing the bucket on a styrofoam plate (€ 25.90 at Amazon *) and wrapping it with an insulating material, such as a bast mat. Furthermore, pot carnations also - or especially - have the problem of moisture: On the one hand, the plants have to be watered on frost-free days in order not to dry out - on the other hand, moisture also leads to root rot and thus to the death of the plant.

Tips

Actually, you don't need to worry about overwintering or not: just leave the last flowers on the plant and finally either collect the ripe seeds (and sow them in spring) or wait for the self-sowing process. In this regard, carnations are very reliable.