Be careful with the petunias
While some potted plants can withstand a few freezing temperatures for a short time, the petunias and their various subspecies are all very good sensitive to frost. Therefore, make sure to protect the plants from any hypothermia, as this usually leads to the death of the entire plants. Should you have new petunias as young plants for the every year anyway balcony then you can simply buy the petunias until the first frost let it bloom and then compost. For attempts at the wintering However, the plants must be brought to winter quarters before the first frost and only rewintered after the ice saints.
also read
- Petunias: poisonous or not?
- Plant petunias in the garden or on the balcony
- How sensitive are petunias to frost?
Hibernate the petunia under suitable conditions
The surfinias, which are valued as cultivated species of petunia because of their better weather resistance, are also extremely sensitive, what frost is concerned. However, since surfinias are available in particularly attractive color combinations and, due to their sometimes pronounced self-sterility, they are not made from seeds
can be drawn, overwintering in a protected area is also worthwhile with these. The following conditions should apply in this:- as bright as possible (however no direct sunlight on the plants is necessary)
- Temperatures between 5 and 10 degrees Celsius
- regular care
The comparatively low temperatures for that Wintering petunias can best be realized in a tool shed or cellar room. The plants should, however, be easily accessible because they not allowed to dry out and should be checked regularly for pest infestation.
Preventing difficulties during the winter
Already when putting in the winter quarters Window boxes with petunias for a possible infestation with Aphids controlled so that they cannot spread massively over the winter. The right plant substrate ensures that moderate watering prevents the plants from drying out and still prevents waterlogging and root rot. The shoots of the petunias are shortened to 15 to 20 centimeters in length for wintering. Flower buds are removed in winter so that the plants in their winter quarters are not energetically depleted.
Tips
If you do not have the right space to overwinter the non-winter-hardy petunias, you can also use them in autumn Seeds collect them and put them on the windowsill from February onwards Pulling young plants.