The amazing abundance of flowers and the indescribable splendor of colors of these plants make many people enthusiastic cactus growers even if it is not exactly easy to get the many different habits of this species under one roof. Some of the species can tolerate a bit more substantial permafrost, others are not even hardy. Anyone who starts as a beginner build a cactus collection, it is best to start with some species considered adaptable, who feel most comfortable between 5 and 12 ° C. In general, a cactus greenhouse should be frost-free. In the case of underground greenhouses, it makes sense to equip them with tables. Here is a brief overview of the comfortable temperatures of the prickly plants:
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| Botanical name | optimal winter temperature (° C) |
|---|---|
| aloe | 6 to 10 |
| Astrophytum | 8 to 12 |
| Espostoa | from 8 |
| Ferocactus | from 8 |
| Mammillaria | 6 to 10 |
| agave | from 12 |
| Echinocactus | 12 to 15 |
| Euphorbia | 15 to 20 |
| Pachypodium | 15 to 18 |
| Schlumbergera (Christmas Cactus) | from 15 |
A sure instinct is particularly popular with cacti
Even if the plants often have to get by with little water in their home, it is still not possible to do without this important growth factor. Moderate but regular watering and especially during their growing season between April and August must be, but according to the principle: "Better too dry than not at all or too much"! It is not poured into the plant, but onto the substrate or the cactus soil. Professional cactus growers like to do the watering using automatic systems that ensure constant moisture in the entire area around the plants.
Fertilizing the succulents in the cactus greenhouse
Here, too, the bishop's hat, the old man's head and the mother-in-law's armchair are really sensitive. Incorrectly fertilized or not fertilized at all, it takes a lot of patience before you are rewarded with bright flowers. Especially during the growth phase, the irrigation water must have a adequate portion of special liquid fertilizer can be added, from August on, pure, but not too cold water will suffice. As important as that Fertilize is the absolute clean keeping of the soiled parts of the plant, which is best done with a fine, slightly damp cloth - also regularly.
Tips
Especially in a cactus greenhouse with too intense solar radiation, a sudden red coloration often occurs on the surface of the plants. If necessary, the relevant outer surfaces of the windows should then immediately be provided with a correspondingly large one Shading foil or a fabric mat can be protected against excess UV radiation.