Even if the greenhouse slowly returns to calm after the annual outdoor gardening season, it can be for the sensitive Potted plants or perennials will still be used as winter quarters in the coming months, even if it is a so-called cold house. Everything that is not frost-resistant in flowers and plants comes In the greenhouse to overwinter by the end of October at the latest and finds the best conditions there for biologically healthy growth and for faster flowering in the coming spring.
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It's all about optimal temperatures!
Since the majority of frost-sensitive plants come from the warmer regions of the world, they are, on the one hand, very spoiled by warmth, but outside of their vegetation need a certain resting phase, which can be very different from the heat demand can. Some examples of this:
| Plant species | Optimal temperature (° C) | Lighting conditions |
|---|---|---|
| Banana bush | 5 to 10 | as bright as possible |
| Angel trumpet | 5 to 18 | bright |
| Cowardly | 2 to 5 | dark |
| pomegranate | 5 to 10 | dark |
| hibiscus | 10 to 15 | bright |
| oleander | 10 to 15 | bright |
| Olives | 0 to 10 | bright |
What is important with potted plants in winter
- If a non-air-conditioned greenhouse is used for the winter and the temperatures rise to over 10 ° C, the plants need a lot of light. Must on gray winter days if possible with artificial light be helped.
- Watering should only be done very moderately during the resting phase of the exotic plants, a large number of the specimens cannot tolerate water at all during this time. Important: If some species occasionally lose leaves during the winter, it is a sure sign that not too little, but too much watered became.
- Also pests feel right at home in the protective winter quarters under glass, so that the potted plants regularly look for traces of food Spider mites, Black weevils and the other pests known from summer should be examined.
Tips
So that you can soak up as much as possible of the last autumn sun, quarter your plants in It is better to keep the greenhouse as late as possible for overwintering and only when there is an immediate risk of frost consists.
