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It is difficult to remember the name of the many orchids that exist on the face of the earth but that of Dendrobium nobile it should be noted because it is a very rustic and easy to grow variety. Perfect for those who want to show off a beautiful apartment flower in front of their guests even if they don't have the particularly bright green thumb. It has beautiful leaves and flowers that look hand painted. Let's get to know this variety better and all the tips for growing it at its best.
Dendrobium nobile: description
Belonging to the Orchidaceae family, this genus includes many species of orchids which can have very different sizes but which are also distinguished by the shape of the flower and the shades of the petals. The Nobile is one of the most cultivated in our area also which is an orchid native to Southeast Asia and initially widespread in its natural state in India, Nepal, Laos and Thailand.
The root system of this plant is very fragile, just like that ofCambria, and it can survive even when the leaves fall thanks to the presence of pseudobulbs, or erect stems swollen with water and nutrients. THE stems of the Dendrobium noble are maximum 50-60 centimeters high but are full of knots placed at a regular distance that are very reminiscent of the shape of bamboo canes.
The foliage of this orchid is abundant but above all it has a considerable size and a particularly intense color. The leaves have one lanceolate form with the pointed apex, there are many parallel ribs on the page and the margins are usually smooth. In spring and summer, the leaves sprout in pairs along the nodes of the stems but before winter they fall when the plant is preparing to enter vegetative rest leaving the stems bare until the following spring. The new leaves will always emerge from the nodes of the stems, like clumps.
Let's now turn to the flowers that they actually are the part of the plant that makes everyone fall in love and forget the presence of all the remaining elements. Those of Dendrobium nobile are among other things particularly large and beautiful. They can be of various colors - white, yellow or pink and more - and of various shapes, they are sometimes found in pairs or in clusters but also alone. Sometimes they smell but it's not obvious.
You have to wait to see the flowers appear spring, in theory, but today we can find numerous hybrid plants on the market that are able to bloom also in other periods if kept in a bright and warm place.
Dendrobium nobile: curiosity
A botanist named after discovering this genus of orchids in 1799 Olof Peter Swartz. The name derives from the Greek dendron which means tree and bios that is life, a hint enough but which wants to underline the fact that these plants also usually grow on the trunk and branches of tropical plants, absorbing the various nutritional elements directly from the humidity of the environment. .
A time the Dendrobium noble was kept inside the houses because it was said that it had the power to ward off misfortunes. A popular legend, no doubt, but it is instead true that it is a very suitable plant for decorating the house and also able to purify the air in enclosed spaces. But when you give one of these orchids as a gift, you give elegance, perfection and harmony.
Dendrobium nobile: diseases
This genus of orchids is prey to attacks by aphids and scale insects, like all the others. In addition to these parasites which nest in the leaf intersections or under the underside of the leaves, we find among the enemies of the Dendrobium also the red spider and mottling and mosaic viruses.
Dendrobium nobile: cultivation
We place the our orchid in a place where it can be flooded with light throughout the year, but beware of too direct sunlight which can annoy and burn the leaves. In the summer we can safely let the orchid stay outdoors, preferably in the shade of a tree and in a place sheltered from the currents, but in winter it must absolutely be protected from the cold because it does not withstand temperatures below 10 ° C.
You need a soft soil composed of coniferous bark with a substrate based on pieces of bark, pieces of coconut fiber or osmunda, sphagnum peat. Since these are inert materials, it is necessary to regularly administer specific fertilizers for orchids, diluting them in the watering water. The best are fertilizers equally balanced in nitrogen (N), phosphorus (P) and potassium (K).
As for the watering, in autumn they can be sporadic given the impending vegetative rest, while in spring, and until the end of summer, the water must be administered very regularly because the reserves must be accumulated inside the reeds or stems as an energy reserve.
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