The majority is hardy
The known species are hardy. You therefore do not necessarily need winter protection in the form of leaves, brushwood, etc.
- Real St. John's wort
- Carpet St. John's Wort
- St. John's wort
- Dwarf St. John's Wort
- Blood St. John's wort
also read
- St. John's Wort: Beware of confusion!
- Cutting the St. John's wort - is it necessary?
- 3 ways to multiply St. John's wort
Furthermore, the lesser known, but still popular swamp St. John's wort, large-goblet St. John's wort, Whorl-leaved St. John's wort, mountain St. John's wort, beautiful St. John's wort and large-flowered St. John's wort are sufficient tolerates frost. However, if these species are in a harsh situation, it is advisable to protect them anyway.
Orientate towards the country of origin for exceptional species
If you have a very unusual species and cannot find out whether it is hardy, find out where it came from. If it lives in a very warm region where there is usually no frost, it is most likely sensitive to frost.
Few species are poorly hardy
Only a few species that find their home in warmer to tropical regions are found in Germany or Central Europe as badly hardy. These include, for example, the Balearic St. John's wort and the Egyptian St. John's wort.
How to protect St. John's wort in winter
In order to be able to cultivate hardy St. John's herbs for several years, you do not need to protect them from frost. But under certain circumstances, winter protection is not a mistake. For example, if you only planted the plant in autumn, winter protection is worthwhile. Plants in the tub should also be protected.
Please note:
- Cover St. John's wort outdoors with leaves or brushwood
- Wrap St. John's wort in the bucket with fleece in the pot area and place on the house wall
- for crops: it is better to dispose of them every three years and plant new plants (Flowering power decreases significantly)
Cut back before or after wintering
Before the plants are winterized, you can them cut back. This would be ideal between the end of October and the beginning of November. Alternatively, the herbs are cut down close to the ground in spring.
Tips
Don't worry if the medicinal plant has frozen. Means sowing you can easily multiply your St. John's wort again in the spring.
