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Plagues and diseases
In this category you will find detailed information about pests and diseases that can affect your marijuana plants, both in indoor and outdoor grows. We explore a wide variety of problems, from insects like spider mites, whiteflies, aphids, thrips and caterpillars, to fungi like powdery mildew, botrytis, downy mildew and fusarium. We also address viruses such as tobacco mosaic virus or hop latent virus. Our articles offer clear descriptions of symptoms, practical prevention advice, identification methods and treatment strategies, including biological and chemical options. Learn how to detect these threats early, minimize their impact and protect your crop to achieve healthy, high-quality harvests. Additionally, we provide guides on how to maintain an optimal environment for your marijuana plants, controlling factors like humidity, temperature and ventilation, which are key to preventing the appearance of pests and diseases. Keep your marijuana plants protected and optimize your harvest with our resources!
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Spider mites in cannabis cultivation
Published : 2025-10-20 | Categories : Plagues and diseasesThe spider mite is one of the most feared pests among cannabis growers: tiny, voracious, and capable of destroying a crop in just a few days. This guide will teach you how to identify, prevent, and eliminate spider mites effectively, protecting your plants and ensuring a healthy, productive grow.
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Latent hop virus in cannabis
Published : 2020-07-20 | Categories : Plagues and diseasesWhat is latent hop virus? The latent hop virus is, as its name suggests, a virus that infects plants and was discovered in hop strains. As long as the latent virus affects hops, it is not a very problematic disease, but it seems that in the case of cannabis and in certain varieties, its effects can be devastating or at least a great [...]
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Vine micro mite virus
Published : 2020-07-20 | Categories : Plagues and diseasesWhat is the grapevine micro mite virus? The grapevine micro mite virus like many other pests or diseases gets its name from the first plant where it was found. In this case, this virus caused great losses in the wine and vineyard industry. The virus comes from the bite and fluid exchange of the Calepitrimerus vitis micro mite, an eryophid [...]
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Mosaic virus in cannabis
Published : 2020-07-20 | Categories : Plagues and diseasesVMT causes 60% losses in cannabis. Transmitted by insects and contact. Symptoms: leaf mosaic, dwarfing, deformed buds. There is no cure.
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Pests: thrips, aphids, leaf miners and other insects
Published : 2020-07-17 | Categories : Plagues and diseasesThere are hundreds of species of insects that can pose a plague and threat to your marijuana plants . Especially on hot dates like now, where their reproduction shoots up and they can easily invade us. Hopefully most that we can find may be harmless. However, there are some that can be very harmful to our cultivation so we must pay [...]
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Mushrooms in your cannabis grow?
Published : 2020-07-17 | Categories : Plagues and diseasesSummer is here, heat, humidity ... and fungi, enchanted by the combination of all these factors, come to our marijuana crop. So, although in outdoor cultivation it is more difficult to control temperature and humidity than in indoor cultivation, let's review why we can have fungi and how we can treat them. Photography from [...]
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MICRO MITES: What to do to avoid and eliminate them
Published : 2020-07-17 | Categories : Plagues and diseasesIn a previous article we have seen how spider mites and spider mites can affect our marijuana plant . In this week's post, we would like to delve into micro-mites (Phytonemus Pallidus or Steneotarsonemus Pallidus) or the so-called vine mite (Calepitrimerus vitis) -which above all affects vineyard crops- because they are one of the most [...]
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Mites: treatment and prevention in marijuana plants
Published : 2020-07-17 | Categories : Cannabis cultivation , Plagues and diseasesMites are probably one of the most invasive pests and harmful that we can find both in indoor and outdoor cultivation of marijuana plants. The red spider and the entire family of mites and micro-mites seriously damage our plant. With their tiny teeth, they bite and pierce the leaves to feed and extract chlorophyll of it, which [...]
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Caterpillars on your cannabis plant?
Published : 2020-07-17 | Categories : Plagues and diseasesButterfly caterpillars attack outdoor cannabis buds and leaves. How to detect them: holes, dark droppings, brown spots. Remove manually or with Bacillus Thuringiensis ssp kurstaki.
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Pests that affect our cannabis plants: Red spider, Mites and Microaca
Published : 2020-07-16 | Categories : Plagues and diseasesFor this article, we are going to talk about the pests that affect our cannabis plants in the hottest months of the year. We will also see how to avoid its appearance or, at least, delay it as much as possible. The pests that we will talk about this time are: The Red Spider, The Mites and the so-called Micro-mites. Do not miss this post if [...]
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Pests that can damage our marijuana plants: fungi and spores
Published : 2020-07-16 | Categories : Plagues and diseasesThis article will be devoted entirely to looking at various types of pests that can attack our marijuana plants. The pests that we can see this time will be: Botrytis, Mildew, Powdery mildew and the dreaded Fusarium. All these pests are caused by high humidity in the crop and their appearance can be controlled by varying the humidity [...]