Piante grasse cactus spine

Tag: humidity

Summer is at the end of the line: until when can we water cacti and succulent plants?

The topic is a classic and the question is among the most frequently asked among cactus and succulent growers: until when can I water my plants? In other words, given that – as even less expert growers know – it is advisable to keep cacti cold and dry during the winter months until they can be watered, when exactly should we stop watering? And again: should watering be suspended completely or will it just have to be reduced? Are there cacti that can or should also be watered in autumn and winter? Are there any non-cacti succulent plants, especially those with leaves, which need to be watered even in the winter months, otherwise the branches and leaves will wither? It is clear that part of the answer to these questions can vary according to the place where we grow plants (there is a big difference, just to give an example in the Northern hemisphere, between Sicily and Great Britain, Spain or Germany), but in principle it can be said that there are many fixed points that every grower must know and respect in order for his succulents to grow healthy and robust and to flower profusely. Above all, there are some fixed points that must be respected to avoid, quite simply, rotting our cacti and succulent plants during the winter or early spring.

And since the period in which most of the cacti and succulents will go into vegetative stasis is approaching, it is advisable to deepen these fixed points and learn to at least distinguish the macro-water needs of the various families of succulents. This is exactly what we will do in the following article (…)

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A good cactus potting soil with materials readily available in any nursery? Here is how to do it

Surfing the Internet shows how easy it is now to find retailers of plant-growing materials. It is also true specifically for cacti and succulent plants: online, from skilled nurserymen to businesses that deal only in materials such as potting soil, pots, labels, etc., it is easy to get everything you need to grow. But what to do if we don’t want to buy online? If we need large quantities of materials, and shipping can only go up to a certain weight? If we prefer to provide directly by buying potting soil (everyone may have their reasons for this or that choice)? Do we rely on the ready-made potting soils usually offered by any well-stocked nursery or garden? Or is it better to do it ourselves, assembling the various materials as peat, pumice, and sand, based on our needs?

In this article we see how to make a proper substrate for use with any genre of cactus and, with appropriate adjustments, with succulents, in general. We will make it, and this is the point of this article, with materials that anyone can now easily find in any place (…).

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Sowing cacti and succulents: what to do when the first little plants are born

Ok, between one drop and another of condensation inside the bag we can see some tiny green dots. The seeds gave birth to the first seedlings, in short, our baby cacti. And now? How do we proceed with the sowing of cacti and succulent plants after the first germinations? Should we open the bags right away? Should we keep the seedlings in full light or is it better to place them in a sheltered place? Should we water regularly the seedlings or it’s better to let the potting soil dry out? And, finally, can we fertilize?

In this article, let’s see what to do once the seeds of cacti and succulents have germinated, in other words how to move correctly to help the plants grow and avoid making the work done with sowing in vain. (…)

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Sudden changes in temperature and first colds: with cacti and succulents there is nothing to fear

From the highest peak to the lowest, about thirty degrees Celsius passes. This is the sudden change in temperature to which my succulents (90% cacti) have been exposed in recent weeks, almost all kept in the greenhouse which is still rigorously open 24 hours a day. All the Agaves remain outside the greenhouse, some Aloes, various Opuntia, Tephrocactus, Pediocactus, some Echinopsis and some cacti that I placed in the ground for experimentation. Can such sudden changes in temperature damage plants? Are nighttime lows starting to get too low for cacti and succulents in general?

There are many who wonder and, since I have received several messages in this sense, I have decided to write this short article to answer these questions. (…)

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When the cactus “explodes” from too much water: how to avoid cracks on the stem

Succulent plants, and cacti in particular, have evolved to accumulate water reserves and thus be able to deal with long periods of drought. In their natural habitats, cacti are subject to sudden changes in temperature between night and day, but also to an alternation between periods of total drought and periods of great water availability. In the sub-desert regions of the southern United States (California, Arizona, Texas, Nevada, etc.), as well as in Mexico, Central America and Latin America (Chile and Argentina, for example), during the growing season, corresponding to spring and summer, the hot, dry days are often abruptly interrupted by heavy downpours. If in nature the plants know how to manage these conditions without particular problems, in cultivation it can happen that the transition from the stasis season to the growth season, if accompanied by an overly “decisive” resumption of irrigation, gives rise to the phenomenon of splitting of the stems.

In this article we see how and why this phenomenon can occur, how to remedy it to prevent the plant from contracting rot and above all how to avoid splits. (…)

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