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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Plastic, terracotta, square or round? Here’s how to choose pots for cacti and succulents

Plastic or terracotta pots? Round, square, shallow or deep? And then again: is it better to have one plant per pot or several plants in one box or in a large bowl? At first glance, the subject may seem trivial, but the choice of the right vase for growing cacti and succulent plants has an undeniable impact on the consequence of the cultivation. The choice of the right pot, it can be said, is indeed closely related to the type of cultivation we adopt for our plants (indoors, on a balcony, in a greenhouse, in the open air, etc.) and to the various elements that characterize it, such as watering, type of substrate, exposure, temperature, and much more.

Net of purely aesthetic and therefore personal choices, let’s see how to choose the right containers for succulents’ cultivation, evaluating the pros and cons of the various shapes and materials with which the pots available on the market are made. (…)

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When to pricking out cactus seedlings, how to do it correctly, and what potting soil to use

Speaking of cactus sowings, a classic question, and one not infrequently asked with a fair amount of (unnecessary) apprehension, is: after how long should seedlings be repotted? In other words, when do the young seedlings need to be repotted and perhaps divided into individual pots? Again, as with many other “cactophilies matters”, the answer depends on various cultivation factors. Based on experience, however, it is possible to give general indications useful to those who experiment with sowing for the first time.

Let’s see in detail, in this article, everything we need to know about this fundamental step for the proper growth of plants from our sowing. (…)

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How a cactus changes depending on the type of cultivation: the difference made by soil and exposure

When they say that a picture is better than words. In this case, there are three photos, but the concept doesn’t change, and the difference between a cactus grown in a “natural” (or “wild”) way and one with a “garden-style”, based on basic notions and beliefs is quite evident. The plants I’m writing about are Ferocactus latispinus obtained from a 2012 sowing of mine. From that same planting, I’ve got at least forty plants. Over the years, I have given away some of them, but most are still with me and are growing beautifully. It’s important to point out that these are plants born from seeds contained in a single fruit (gift of a dear friend), sown the same day and grown over the years in the same conditions, i.e. in my greenhouse, in standard soil (pumice, lapilli and peat in equal parts), watered and fertilized with the same frequency. This is to say that the starting conditions, including the genetics and the grower’s hand, are the same. And yet, as you can see from the photo above, where the three plants (three at random of the twenty-five or so that I have kept for myself) are side by side, they show remarkable differences, at least to the discerning eye and the grower with a minimum of experience.

So let’s see, in this article, how and why different cultivation regimens, assumed as a whole and not just limited to the soil, affect so much the final result and really make the difference between a cactus grown and cultivated in any garden or generic nursery and a cactus grown by an enthusiast or an expert. (…)

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Repotting cacti: an experiment with different substrates to understand how potting soil affects growth

The fundamental factors for the growth of a plant are many: from exposure to watering; from fertilizations to temperatures. Among these factors, one of the most important – at least for cacti and succulent plants – is the substrate. The ideal soil for cacti must have at least two properties: it drains well and it dries quickly. (…)

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