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Sempervivum, a genus of evergreen succulent plants that we can usually meet in Mediterranean areas. The family to which they belong is that of Crassulaceae, the species that are defined alwaysvivum are a maximum of ten, they do not always explicitly belong to this category because at first sight, if you don't have an expert eye, they are not recognizable by the presence of common characters. Exploring the types of sempervivum that exist in nature, there are plants that are very different from each other, often also because they undergo a process of adaptation to the environment and climate in which they live.
Some sempervivum they produce rosettes, dense and with fleshy leaves triangular in shape and a little pointed. There are specimens that even have a thorn at the apex of each leaf but it is not a characteristic of all varieties of the genus.
Even the leaf color can vary a lot, goes from very light green to very deep red, to purple, as regards the dimensions, the washers can have a diameter of a couple of centimeters but also 20,often it depends on the environment in which the single plant develops.
To increase the "confusion" within the sempervivums, it should also be taken into account that they hybridize very easily, so that the basic "varieties are also joined by those that are created at a later time.
When you want to cultivate gods sempervivum, it must be borne in mind that they need space because usually each rosette produces many small side rosettes, therefore an apparently small plant becomes a surface of rosettes that hosting is not trivial.
If we are good enough to keep our plants alive for over 3 years, we will be able to witness the sprouting, in correspondence of the oldest rosettes, of a stem fleshy, short, and covered with small leaves, on top of which, surprisingly, star-shaped flowers will blossom, white, pink, yellow or purple.
The growth and flowering cycle, continues with the drying of the rosette that gave us the flower, a phenomenon that usually does not catch the eye, because at old rosettes new rosettes overlap and there are no signs of decay.
It is not difficult to get a flower from these plants but it is better to inquire about the care that is required in order not to make false steps. Are considered rustic plants, therefore able to develop in conditions that would be prohibitive for other species. In environments with little water, for example, or where temperatures are low, not very Mediterranean. This happens because some sempervivums are of alpine origin and therefore born among the rocks.
To take care of these plants and get the most beautiful flowers, we can begin to place them in sunny areas, never in complete shadow, making sure that they are placed in very well drained soils without water stagnation.
For rock gardens, the sempervivum are fineindeed, this type of habitat, feared by other crassulaceae, is excellent for them. They feel comfortable and take theirs space, among the stones, without expecting from us, frequent watering. Indeed, when in doubt, let's not exaggerate!
Sempervivum in pot
At 20 euros on Amazon we can find and buy a set of 12 different plants sempervivum very easy to keep and that will give us color, green and presence. Little water, little time and a lot of scene. It's worth it!
THE sempervivum tectorum, like the other "sisters" of the same genus, they do not need large quantities of substrate, on the contrary, think that they also grow at the intersection of the roof tiles. That's why this name, in fact.
We find some real pleasant settlements on the roofs of the houses, which they do not need treatment and they do not disturb those who live below them. Of course, those who want them on their balcony or in the garden can host them by providing them with rich soil but not overdoing it with water. They will pay for the care provided, with lush rosettes and showy flowers.
Also this time the name suggests the characteristics of the variety of sempervivum that you want to define with it. They grow in the mountains, above all, and are the ones that have best preserved the alpine nature of their origins.
Let's not confuse the sempervivum montanum with the Monanthes which are similar plants but native to warmer places, so frost can kill them. Other cousins of the Sempervivum, always crassulaceae, are the Jovibarba and the Grenovia, characterized by bluish rosettes and widespread in Africa and the Canary Islands.
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