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Il fiore tra le spine

A repotting… monstrous! How to choose a cactus well and what to do immediately after the purchase

I’m not particularly fond of crested succulents, but at the same time I’m not entirely indifferent to their charm and every so often some “monstrous” specimen ends up in my greenhouse. Small digression: if you don’t know what a “crested” or “monstrous” plant is, there is an article on the italian version of the website (you can find it here and use the internal translator). Having said that, in the last few weeks I bought a crested Myrtillocactus from a nursery specialized in succulent plants. The plant is in excellent health and well formed, but the substrate, as almost always happens when buying cacti, is excessively peaty, at least for the type of cultivation I’ve been using for years now. I then took the opportunity to describe the repotting operation of this Myrtillocactus, so as to be able to speak of “monstrous” plants, of repotting, of simple substrates and within everyone’s reach from the point of view of realization and of good practices to follow when buying new plants.

Here then is the report – accompanied by photos of the individual steps – of this repotting, with some useful considerations, precisely, regarding soils, new purchases and crested cacti. (…)

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New cactus species discovered: “Copiapoa invisibilis”! Exceptional photos of a plant… that no longer exists

For the avoidance of doubt: the title is ironic and here we are talking about rot, unfortunately. No new Copiapoa has been discovered, neither the one you see in this photo and in the other incredible images within this article. Simply, this is what remains of one of my Copiapoa cinerea that rotted this winter without me even realizing it. What we see now is nothing but the armor of thorns that the plant has left me. The quills are so compact and close together that they perfectly maintain the shape of the plant (complete with a dry flower at the apex). The stem simply no longer exists. It has rotted and “evaporated”, disappeared.

Here is what happened and, above all, here are the exceptional photos of this plant, whose fate, moreover, from time to time also touches the specimens in habitat, as I happened to see in some online photos and once, directly, with a young specimen of Ferocactus during a trip to Mexico. (…)

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Echinopsis Haku-jo, the cactus with mysterious origins: it does not exist in nature but it’s very popular on the market

It’s a bit like that shy and reserved distant relative: everyone in the family knows he exists, but little or nothing is known about him, or his history. Those who grow cacti and succulent plants, those who are used to attending market-exhibitions of succulent plants, those who hang out in well-stocked nurseries, have certainly observed more than one specimen. Many enthusiasts have one or more specimens in their cacti collection. Yet, very little is known about this Echinopsis Haku-jo. In the many texts dedicated to cacti (not only in Italian) the plant often appears in photographs but the information is always scarce; online there are only brief synthetic cards, almost always accompanying the specimens for sale. For the rest, nothing. The history of this cultivar (a plant that does not exist in nature but obtained through hybridization and crossbreeding by man) remains shrouded in mystery.

In this article I try to summarize what I have learned in years of cultivation and what I have managed to learn about this intriguing Echinopsis cultivar, whose flowering is among the most bizarre in the whole family of 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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What are cactus ‘suckers’ or pups? Is it better to remove them? Do they affect flowering?

Some call them “branches”, others call them “new heads”. Some, more prosaically, call them “children” of the mother plant or “pups”. In all cases, they are new “protuberances” that sprout around the body of the main plant. In cacti, as well as in agaves, this is a common phenomenon, and in some species, it never happens, in others it very easily happens, even with young plants. Attention: we are not talking about true seedlings born under the stem of the mother plant from seeds that have fallen from the latter, but about authentic new bodies that are attached to the main stem and sprout from the latter, and then grow steadily in size. The correct term is “suckers”, and anyone who grows cacti or has looked at this plant family in a nursery or botanical garden will have seen one or more suckers.

Why do cacti produce suckers or pups, which genera are more likely to suck and are less so? And again, the most frequently asked question: is it true that pups steal energy from the mother plant and reduce flowering? Can the suckers themselves blossom? Another frequently asked question: is it better to leave them attached to the mother plant or remove them? Can they be used as cuttings to obtain new plants identical to the mother plant, and in the event of disease of the latter, can they be detached to save it and reproduce it?

In this article, we take a closer look at the subject and answer all these questions (…).

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