Lobivia silvestrii

Lobivia silvestrii

Question: Lobivia silvestrii

Good evening, this spring I bought a Lobivia Silvestrii, despite being in a small vase, it is making some beautiful red flowers, I want to know from you if I can repot it given the small size of the vase and the scarcity of land. thanks for your kind reply. Best regards.


Answer: Lobivia silvestrii

Dear Gabriella,

cacti are often grown in very small pots, this is because they have a contained root system, which does not require large quantities of soil to develop: in nature, many cacti live among rocks, in stony or gravelly environments; having a large pot available is often a deterrent to their development, because in so much soil a lot of water can easily become trapped, which can favor the development of rot. So usually a small pot is perfect for a cactus. In your case, the lobivia silvestrii (or chamaecereus silvestrii) we are talking about a cactacea native to South America, easy to cultivate, which tends with great ease to cluster, that is, near the main stem, over the years, they develop many other stems, forming a kind of mat; for this development the common name in English is peanut cactus, because the lobivia pots resemble a peanut basket with the shell. On the market there are usually hybrid varieties, crossed with echinopsis, to obtain a greater quantity of flowers, and also more lively and unusual colors. However, if your lobivia is still in the tiny plastic pot in which it was kept in the nursery in which it was sown, then perhaps a change of pot could be useful, in order to provide a little more space for future secondary stems too; but avoid excesses: choose a vase that has a diameter a little larger than the current one. It uses a very drained soil, consisting of equal parts of universal soil and of gravel or sand, or pozzolana, lapilli, pumice stone; the type of substance used to improve drainage is not really that important, the important thing is that the roots are in a friable soil, which allows the water to flow freely, and not in those kinds of rigid, dark and waterproof bricks that sometimes they are seen in nursery pots. I remind you that the lobivias resist up to -8 ° C in winter, as long as their soil is completely dry; therefore they can be grown on the windowsill, or on the terrace, in a sunny area, and not exposed to rain. Keeping these cacti in the cold favors their spring and summer flowering; if, on the other hand, we keep our cacti always at home, we risk that over the months they stop blooming, because keeping a plant in a perennial spring does not help their health.

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