Pests orchids


The Orchid is a floral plant that has found great notoriety in both the western and eastern developed world; its most appreciated feature are the flowers, which have few petals but arranged and with such particular shapes that recall many emotions to man's mind: in particular, women are attracted to those shapes that in the first place are so feminine, because they are synonymous of a hidden preciousness as only women can understand. More specifically, the orchid plant is native to the sub-tropical and tropical climate areas of America and Asia; these are quite large regions, so it can be assumed that the various orchid species have taken great evolutionary steps to adapt in so many areas and to so many different situations. Specifically, the scholars have collected something like 25,000 species of orchid, classified into six hundred and fifty genera and all belonging to the Orchidaceae family.

Orchid delicacy

Many believe that the orchid is a delicate and too sensitive plant; we want to refute this thesis, because from what we have told about the geographical origins of the Orchid, it seems clear that all those kilometers would not have been possible without a great adaptation and survival force that therefore our plant must necessarily have. The fact is that the Orchid is very sensitive to climatic conditions other than those to which it is used, that is, it cannot resist and is really very fragile and vulnerable to diseases in situations such as: low humidity, poor ventilation, direct sun, dryness, water stagnation. If we ensure that our plant does not turn out to be these situations, it will repay us with unexpected vitality and longevity.

Non-parasitic diseases

The diseases of all plants (obviously therefore also of the Orchid) are divided into parasitic and not; non-parasitic ones do not depend on a viral, bacterial attack, etc., but on incorrect behavior, for example in watering, or in sun exposure, or even in the humidity that we create around the plant. Therefore these phenomena can be quickly and easily resolved by changing incorrect behaviors and correcting them. On the other hand, parasitic diseases are those caused by insects, mites, fungi, bacteria and therefore due to a real attack, a disease that the plant takes. Their resolution is more linked to chemicals, real treatments.

Parasitic diseases, insects and mites

The parasitic diseases caused by insects see the presence for the Orchids above all of the Cochineal and the red spider; both these little animals manage to annoy our plant but they are neither very dangerous nor excessively resistant if caught in time. Most of the time with patient physical removal and alcohol disinfection with a cotton swab it will all go away; when that is not the case then there are chemicals for sale that will soon give new health to the plant. When, on the other hand, it is a mite disease, then for the orchid it is a disease caused by aphids, very annoying small insects that need certain products to remove the disorder.

Parasitic diseases, fungi

Most of the diseases caused by orchid fungi are due to incorrect behaviors that create the most suitable environment for fungal proliferation; in fact, if we associate our plant with a regime of high humidity but together with inadequately high temperatures, it will be very easy that it will suffer attacks from various fungi (which in most of the times manifest themselves as brown spots on leaves, body and roots) . Fortunately, it is enough to correct the situation and use widespread products to ensure that everything returns to normal.

Parasitic diseases, bacteria

Parasitic diseases caused by bacteria in orchids are dangerous because against them there must above all be preventive action, always using clean and disinfected tools for each operation. The bacteria affecting the Orchid are of the genus Erwinia, of the genus Acidivoras and of the genus Pseudonomas; their manifestations are mostly the appearance of wildfire spots which then go together and darken until the plant rot. This happens when the disease reaches the internal tissues, and there the plant is almost compromised. For this reason we recommend careful prevention, also because the pesticide products that could easily cure these phenomena are very toxic and are not suitable for domestic use.

Orchid parasites: Parasitic diseases, viruses

The viruses that affect our Orchids are very often not specific to this species, but cover a great variety of plants and the thing that happens most frequently is that we transmit them from a plant (perhaps in which the disease is not manifested) to the orchid through not perfectly clean tools. Unfortunately, there is no cure for orchid virus diseases.


Below is a list of gardening products that we have chosen for you (and that you can buy online), which will allow you to immediately put into practice the instructions contained in this article.

1. Soft soap ->

2. Soil for orchids ->

4. Pesticide ->

5. Transparent jar ->

Those who have had the pleasure of visiting beautiful Thailand will surely have also seen the gigantic orchid greenhouses. A riot of unforgettable colors and scents. But, precisely for this reason, we do not make the mistake of thinking that the orchid is used to high temperatures. Or, at least, not in direct sun. It is true that it comes from warm places, but also very humid and often in dim light. If we want to move them to the balcony, after a winter at home, we remember the basic things:

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In fact, remember that their natural habitat is the greenhouse. Paradoxically, it is easier to follow an orchid indoors in winter than outdoors in summer. This is also because this wonderful flower is always at the center of crossbreeding, hybrid cultivation and experimentation.

Cypripedium: cultivation in pots

Cypripedium are also cultivated well in pots even if the growth is slower. The pot can be terracotta or plastic while the substrate must be well drained and the ideal one is a universal soil mixture or peat or universal soil and bark pieces in equal measure. Watering should be done in moderation, avoiding water stagnation in the saucer.


The Cypripedium is repotted in spring, when the roots come out of the drainage holes. A terracotta or plastic pot with dimensions suitable for the size of the root system is used which, being very delicate, does not like to be compressed. The soil must also be fresh and above all rich in humus.

Curiosities about orchids

The flowering of the orchid can last up to three months, if the plant is well cared for. The orchid is a houseplant, not subject to frequent attacks by parasites. However, it can also grow in the garden or on the terrace. If you want to experiment with these latter cultivation methods, we suggest you opt for the species Cymbidium, one of the most rustic and simple to care for. This, in fact, optimally resists both cold and hottest temperatures. It is important to remember that these specimens must not be buried, and the substrate, even outdoors, must be composed of bark or chipboard specific for orchids.


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