Most gardeners know that lobelias are sensitive when it comes to low temperatures. But some lobelias, such as those that grow in wine-growing regions or perennial lobelias, can be overwintered.
How can I overwinter lobelias successfully?
In order to overwinter lobelias successfully, you should change the location and move them to a cool place of 5-10 °C. In mild locations, lobelias can also overwinter outside by cutting them back, watering them sparingly and covering them with leaves or brushwood.
It's best to change location
To be on the safe side, perennial lobelias should be planted. This means: changing the location to a place that is 5 to 10 °C cool. The lobelias stay there until mid-May and then slowly get used to direct sunlight again.
Getting outside through the winter
In mild locations, some lobelias can be overwintered outside:
- cut back in autumn
- Restrict watering from August
- water gently in winter when it is dry
- cover with leaves, brushwood or spruce/fir branches
Tip
If you want to overwinter your lobelias, but a frosty night has already passed, there is no reason to panic. These poorly winter-hardy plants can survive short-term frost.
