Considerations about pots choice -


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Which pots to host our cacti or succulents? Small, large, tall, short, round or square? Here is a brief guide to give cactus the most suitable and comfortable accommodation.


This is an old question: the choice of pots for succulents is a... "spiny" subject. The many schools of thinking are based primarily on experience, but all agree on one particular of fundamental importance: whatever pots used, it must be fitted with drain holes which can drain the excess water. Of course, the flowerpot saucer must not be used. That said, let's review the various types of pots, highlighting strengths and weaknesses of each.

The crock pot, traditional and widely used, has the advantage of having the walls permeable to water, which means that, after wetting , the soil can dry out more quickly, an important advantage for those species that are particularly sensitive to overwatering. In the walls of the pot, along with water, transit and settle even the minerals and this explains the dense network of capillaries radicals that diverge towards the outside of the root ball and literally attach themselves to the walls of the vessel. This detail is important, because when we go to repot plants grown in a crock pot, we will have to disconnect roots from walls causing a greater number of micro trauma on the plant. Other minor disadvantages associated with the use of crock pots are constitued by their weight, which can become significant for large plants, by the higher purchase price, and by the fact that there are hard to find in square form (square form would allow you to save space in the greenhouse organization).

The plastic pot, on the contrary, is practical, light and handy. It has a very low cost and is readily available in square form. Its walls are waterproof, so you must be careful to water the plants more susceptible to waterlogging, making sure that the soil is completely dry between a wetting and the next. The plastic often has a dark color that in the summer months attracts the sun's rays: this is not a problem if you organize your greenhouse by placing the pots in close contact in order to shade each other, but it can damage the root system in case of isolated vessels. The lightness is a definite advantage, but it can turn into a defect for large specimens: in those cases it is necessary to confer stability weighting the container that hosts them. The latest technologies make them long-lasting: in fact vessels for sale on have an estimated lifecycle of 20 years.

It's good that the pot, whatever material it is made, has the minimum size necessary to accommodate the root system of plants: a good rule says that the diameter (or the side, in the case of square pots) should be just above the diameter of the plant stem. Compact size means less soil, less soil means less water, less water means less chance of rotting. Important for plants with taproot or caudex that the pot is particularly <tall: now they can be found on the market quite easily and they allow plants (eg Ariocarpus) to develop as they would in nature. Plants that instead tend to offset and take a caespitose looking prefer instead a lower pot.






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