Thrips in cannabis are tiny, fast-moving insects are adult thrips, while slow, unmoving pale worms appear on leaves like young thrips. The spots are larger and more intermittent, as with spider mite bites. If it goes on, the leaves affected will start dying. Thrips will actually come in many ways, from wormy creatures to golden-winged insects, sometimes it depends on the stage of life and where you live. Through their entire mouth, they pierce the marijuana leaves and suck all the healthy cannabis ingredients, leaving bright, silver or bronze spots wherever the leaves have been bitten.

What are Thrips?

Thrips, especially in greenhouses and indoor growing areas, are one of the most common pests found in cannabis crops. These are among the smallest winged insects that weigh 1.2mm for females and 0.9mm for males. Eggs are around 200 microns in weight and whitish in color and are laid in the plant’s tissues. Normally, thrips are found on the underside of the leaves. Apparently, there are many forms of thrips, Frankliniella Occidentalis is also known as Western flower thrips. Being the most commonly found in cannabis plants. Thrips target a large variety of plants. Today, it is one of the most common pests worldwide because it can affect a large number of plant species.

How to prevent and control thrips in cannabis plants?

It is paramount to clean the grow room thoroughly and the equipment we have used on them to prevent any form of plague from attacking our cannabis plants. When growing outdoors, keep an eye on the weeds that grow around them as well. If you are an indoor grower, turn the substrate between one crop and another.

It is not easy to get rid of them once they settle, since they travel at light velocity. Thrips enjoy wandering around the leaf veins, but they are also visible in the naked eye, so nobody can spot them. In relation to that, you better make sure that they don’t get to your plants or, at least, if you don’t want them to stay for good, you have to spot them as quickly as possible. And spray to hold plagues away with a natural insecticide such as Oil Neem or potassium soap. Alternatively, instead of adversely affecting their growth, you can introduce predatory species which protect your plants.

To avoid and eradicate thrips, potassium soap helps. It will enable us to avoid the presence of thrips in cannabis by constantly using potassium soap or natural pyrethrins, and also to eradicate them if we do not want to use chemicals. Another choice is to always take some caution and read the directions carefully and we can use chemical products to remove thrips. Always remember to protect the environment from toxic chemicals and, when handling them, to use protective gloves and facemasks.

What are the remedies for thrips?

Insecticide soap

A good choice against thrips in cannabis might be fatty acid salts or soaps. They damage the outer shell of thrips, however insecticide soap is safe to use on plants and do not leave much of a residue With soaps, coverage is very essential as it may not remain on your plant for long, so it might be necessary to follow up applications.

Oil Neem

When used to treat flowering plants, Neem Oil leaves an unpleasant taste and smell on buds, so make sure not to get close to your buds! Neem oil can be damaging and dangerous to humans as well. However, Neem oil is an all-natural treatment that is believed to be very effective against many different kinds of bugs and mold. For misting plants, a one-hand sprayer is ideal.

Products spinosad

Spinosad best works to fight against spider mites, caterpillars, and many other pests of marijuana. Unlike many other thrip pesticides, Spinosad products are organic and harmless to livestock, children and plants. For organic and outdoor growers, spinosad products can be a good option as it is toxic to thrips, but less toxic to insects that are highly beneficial. You can also spray heavily on leaves and roots with no harmful effects, unlike many insecticides. Spinosad products can be used directly to kill thrips on contact, but can also be used when watering plants to systematically kill thrips through roots.

How to identify thrips

Place around your crop sticky traps and wait before the insects get stuck to them. Not all thrips would fall into the pit, but the fact that your crop might be contaminated is a good way to become aware of it. Look for stains on the leaves that are silvery and white. They pass around hopping and running, often in groups, as previously described. Since the thrips feed off, it also sucks up all the chlorophyll content of the plant, leaves start to get weaker and weaker. That’s when the silvery stains can be seen. However, they freeze and do their best to go unnoticed when they feel some movement, so don’t panic if you don’t see them. Normally, they are in the low regions of the plant. Get rid of any larvae that you come across, too. They’re usually found in the soil and are like black stains.

How to combat thrips

It’s time to get down to work and kill them for good if our growth is infested with thrips, and we’ve managed to classify them. Ideally, during the growth process, the issue should be resolved because the use of such products may be harmful to the taste and aroma during flowering.


You may try to remove the pests, insects, or larvae by hand if the pest is not well advanced. It’s very boring, and not the most successful measure, but it’s going to do her good, no doubt. So arm yourself with patience and gloves, preferably latex, and remove the insects you find and the components that have already been contaminated one by one.

Use a natural insecticide spray

One of the most powerful insecticides against this type of pest is neem oil. Pyrethrin, rotenone or potassium soap can also be sprayed on your plants every two or three days. Significant notice: you must stop the treatment before the plant reaches the flowering, since it could affect the taste of the final product.

Introduce insect predators

Wasps and mites are some of the insects that we consider using. This is the most environmentally friendly and safe way, without using any products, to get rid of thrips.

READ  Cheap Indoor Marijuana Grow: Wise Tips and Tricks