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Pests & Disease Control

The Angry Grower: Avoiding and Identifying Pests In Your Garden



Your ability to identify the pests in your garden depends not only on your attention to detail and knowledge but your tools as well, with one of the most important being a microscope. Don’t worry, though, you don’t have to spend hundreds of dollars on a traditional microscope. A quick search on your favorite conglomerate shopping app and you can find handheld digital microscope that connect to your phone or computer for under 50$

Now that you have the ability to see even the smallest of pests, you’ll need to learn the different signs of an infestation. Here are a few off the top of my head;

Spider Mites

Spider mites are often transferred from other gardens and can reproduce very quickly. They are found on the bottom of the leaves but are also easily overlooked. Their bites leave small white specks, and if left untreated, webs can form to the point of buds looking “shrink-wrapped.”


Thrips are larger and more easily spotted than most mites. While looking like small baby worms, they leave silver or bronze marks on the leaves.


Mealybugs are found crawling on buds and leaves and can act as a vector for many plant diseases. Primarily white-colored, with a “fluffy, hairy, waxy, cotton like” material covering their pink bodies

Broad and Russet Mites 

These are possibly the hardest to see and can easily be mistaken for nutrient deficiencies, pH inconsistencies, or heat stress. The leaves will end up glossy, twisted up and blistered. Depending on the severity of the infestation, buds can turn brown as well


These can be a little tricky to identify at first because they can be tiny while appearing different depending on the stage of their life. Their pear-shaped bodies can be found on the bottom of the leaves, as well as on the roots.

Look out for aphids on the bottoms of your leaves!
Photo: Victor Forgacs

Fungus Gnats

Growing mediums such as soil that stays wet for extended periods can be breeding grounds for fungus gnats. They appear to be small dark flies with worm-like larva that lives in damp topsoil.


Due to the wide range of colors these pests come in, they can be challenging to identify at first. Leafhoppers can cause leaves to curl, dry or brown with perhaps the most common sign being clusters of spots

Prevention is Key

Besides making sure that your room is perfectly sealed and that there’s no stagnant water, be sure to check the entirety of your plants – including bottoms of leaves – regularly. Don’t go more than three days without checking WITH A MICROSCOPE, if not every day. That goes for new clones as well. If you receive clones from an outside source, make sure to keep in quarantine and treat them as if they may already be infested.

Don’t make the Grower Angry: PLEASE take the precautions to keep pests off your plants!

One of the most common mistakes is going in your grow room straight from being outdoors or in another grow room. Spraying yourself with alcohol doesn’t guarantee anything, so I prefer to change my clothes and shoes. Having animals like dogs running through your garden is also a bad idea. Even though you don’t always see the bugs directly on yourself, you or your animal could be carrying their eggs

Keep in mind that it’s nearly impossible to be completely bug-free 100% of the time. Identifying, treating, and solid prevention practices can significantly reduce infestations to basically zero. Remember to be vigilant; for every two bugs you find, there’s probably two hundred and counting already! If you do find your problem gets out of hand, you might want to look for a good Rosslyn based company – or somewhere nearer to you – to rid you of the pests.

Stop by the Angry Grower’s column to ask him your grow questions or connect with him on the NUGL App here.

Angry Grower started growing in a hollowed-out stereo speaker at the early age of 16. The experience of growing his own buds flowered into a love for the cannabis plant and seeded his resentment for society. Over the next 15 years, the Angry Grower was a recluse from civilization but mastered the art of growing cannabis. He quickly advanced from farm hand to trimmer to finally heading multiple greenhouse and commercial grows. Most notably he became the Master Grower of a 2-acre outdoor and 40,000 sq. ft. indoor grow facility in Oregon. He managed a team of 15 while expanding the farm’s operations by more than 30%! He also improved global branding and increased the overall quality and plant yield. In spite of his growing badassery, the staff turned on him and ran him out of Oregon, coining him, the “Angry Grower”. Finding his way to NUGL he now answers grow questions for NUGL’s growing community.

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