Piante grasse cactus spine

Tag: pumice

Pots and inert in the cultivation of succulents: can we recycle them or is it better to throw everything away?

Autumn comes into full swing and with the arrival of cold days, succulents plants require less “attention” from us. In this period, at least in Northern Italy or in middle-north Europe, the plants must already be in their winter location, protected from bad weather and excessive cold. There is time for repotting, since it is better to wait until mid or late winter for this type of operation. Watering is obviously suspended and all we have to do is carry out some preventive treatments to protect the succulents from fungi and mold during the winter months. So, what better time than this to dedicate yourself to tidying up the pots, jars, soil and materials needed for the substrates? And this is where a far from banal question arises for many growers: pots and aggregates (inert) are expensive, is it really worth throwing them away and buying new ones or is it possible to recycle all this material? The answer, clearly, is yes: recycling is a must, but be careful, under certain conditions and making sure that everything we are going to reuse is perfectly clean and free of parasites, spores, mold, dust, etc.

The following article is dedicated to this theme, which goes into detail about the cleaning and sterilization of vases (plastic and terracotta) and the materials used for the substrates (pumice, lapillus, gravel, etc.) which have been set aside after the last repottings carried out in recent months. (…)

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Expanded clay and peat: are they really two materials to avoid when growing succulents?

Hated, mistreated, seen with contempt, often carefully avoided. Expanded clay and peat are two highly contested and criticized elements among growers of succulent plants and cacti in particular. Net of the chatter from the Internet, are these really two materials that should be forgotten with the cultivation of this type of plant? The question remains open and every grower has his reasons, but there is a fact: on the Net, as far as expanded clay and peat are concerned, everything is said. Above all, it is said that they retain humidity excessively and for this reason they should be banned from the cultivation of cacti and succulents in general. It is said that they favor the onset of rot, that they do not let the roots breathe and much more. Why then do many serious nurserymen (and expert growers with them) still make extensive use of those elements? Simply because, as in many factors of cultivation, the point is not so much the material itself, but the type of use that is made of it.

In this article, let’s try to understand if expanded clay and peat are really such “dangerous” materials for cacti and succulents, if and how they can be used and what their real pros and cons are. (…)

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Seramis, an alternative material for growing cacti and succulent plants: pros and cons

Recently, on the social channels connected to the site, I published a short video in which I repot an Astrophytum asterias in a substrate composed solely of Seramis. Following that video, many asked me for information on this particular material with its characteristic orange colour, in fact little used in the cultivation of succulents and not easily available in small nurseries. I have had the opportunity to use Seramis in the past in the cultivation of some cactaceae and my experience has been decidedly positive (although, as a porous inert material, in my opinion pumice remains the best material ever) and it is also for this reason that I recently employed it for the Astrophytum subject of the video (video that you can also find at the end of this article).

Answering many questions received in recent weeks, let’s see in the following article what exactly Seramis is, what are the strengths and weaknesses of this material and what can be its use with succulents and, in particular, with cacti. (…)

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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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After one year of cultivation, the first test results on six Mammillaria in three different potting soils

The real unknown factor is represented by the two Mammillaria in the unedited soil, very rich from an organic point of view. We will see over time how their growth will be affected by this substrate. With this consideration, exactly one year ago, I concluded my article on one of the experiments that I do from time to time on cacti and succulents. In the specific case it was a test with three different substrates, in fact three types of “soil”, in which I repotted six Mammillaria hahniana obtained from a single sowing.

After the first year of cultivation, here’s how the experiment is going and here are some initial considerations. (…)

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