Marijuana Pest Control - 7 Ways to Keep Pests off Your Plants

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Marijuana Pest Control – 7 Ways To Keep Pests Off Your Plants

Marijuana Pest Control – 7 Ways To Keep Pests Off Your Plants

Marijuana pest control is something gardeners have had to deal for centuries. Whether they are birds, insects, mammals, or even other humans, cultivated plants seem to have a target on their backs.

While humans don’t really eat raw cannabis, some pests certainly seem to like the taste. If left unchecked, an infestation can end up ruining your crop.

At the same time, using harsh chemical products to repel the pests can be harmful to you later on. To avoid all that, we have compiled a list of some safe and effective repellents (and other safety precautions) to keep bugs away from your cannabis plants.

Do you think you have bugs or pests on your marijuana plants? Please read this article to identify all pests on marijuana plants and learn how to treat them.

Don’t want to read? Watch the video!

1. Only use sterilized soil or fertilizer. The problem with unsterilized soil is that it can contain the eggs or even larvae of some common marijuana pests. If you grow your marijuana in that soil, you will be in for a rude surprise when those eggs hatch or those larvae start to grow up. This is particularly bad for indoor growers because there are no natural predators inside your house.

2. Grow companion plants. Interspersing the marijuana garden with a few naturally repellent plants is certainly a good way to keep the predators away. Although the THC that marijuana produces acts as a natural repellent in its own right, it is often not strong enough to repel all plants (especially in the early stages of life).

Particularly pungent plants like geraniums and marigolds will keep many leaf-eating insects and worms at bay. You can even plant some onions to ward off bigger pests like deer or rabbits.

3.Use natural predators. Of course, if you’re growing marijuana outdoors, you can make use of a few pest predators. Ladybugs are notoriously beneficial to have around your outdoor marijuana plants because they love to prey on larvae and other potential pests. You can buy life ladybugs at this website.

You should also encourage birds to nest in the area because they often like to snack on some pernicious marijuana pests. Put out some bird houses or a bird feeder to get birds to come around. Just make sure that they stay away while the seeds are germinating because many birds do enjoy the taste of a marijuana seed.

 Download my free marijuana grow guide at this link and for more tips on marijuana pest control

 Hummingbird picture by Check his website for more marijuana art

4. Use the urine of your pest’s enemies. This might sound like a joke, but it actually works and it’s actually feasible. Many mammals like deer have keen senses of smell and if they detect a hint of bear or puma urine, they will want to stay as far away from your marijuana plants as possible.

That’s because they won’t want to enter territory that a much larger predator has been roaming around in. The same is true for rabbits and fox urine. You can buy these scents at many sporting goods or outdoor shops.

5. Build a fence. If bigger animals are a problem and the scent of their enemies doesn’t deter them, then you might need to try building a fence around your plants. Obviously, many marijuana growers don’t have this luxury and it’s really only something that people growing on private land can do. Here’s a link with tips on how to build your fence to protect your marijuana.

6. Create a repellent force field around the plants. With a permethrin-based repellent, you can keep insects away from your plants without using the synthetic spray on the plants themselves. Simply spray a ring on the ground about 6 feet away from the plant. Any bugs that come into contact with the permethrin will die or just evacuate the area.

7. Use custom organic repellents. Many growers have opted for pungent, organic repellents to keep pests away from both their indoor and outdoor plants. Concoctions like cinnamon oil, clove oil, and coriander oil have all had relative success without causing any damage to the plant. You can easily spray these repellents directly onto the cannabis leaves with no fear of any adverse reaction.

Of course, different cannabis strains might have different reactions to any homemade organic repellents, and you should always test the repellents on an inconspicuous section of the plant to make sure no harm is done.

We have actually developed a natural and organic product that protects your marijuana plants from all common pests and bugs. It is like a pesticide for marijuana plants, called the Marijuana Plant Protector System. Quickly have a look here: marijuana plant protector

 Download my free marijuana grow guide at this link and learn to grow huge buds

Although it might not seem like it, it is actually more difficult to control pests indoors than it is outdoors. There’s really a small window of vulnerability between germination and seedling state when you have the plants outdoors. When they’re indoors, however, the pests can ravage your entire garden up until late in the vegetative state. Once you have bugs in the house, it’s hard to get them away from your marijuana plants. It’s always best to try using preventative measures so that bugs never become a problem in your indoor garden. Here’s a list with all pests on marijuana plants and how to treat them.

Download my free grow guide and order some high quality seeds at this link here. We ship seeds to the US, CA and many other countries. For any growing related questions please visit the marijuana support page.


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Comment Section

16 thoughts on “Marijuana Pest Control – 7 Ways To Keep Pests Off Your Plants

By Danny on 10 April 2013


I grow marijuana indoors and i aways put a panty hose over my active air inlet so no bugs or insects can be sucked into the room. And if i still get thrips or aphids i spray them with neem oil, which always works for me.


By Jorge Cervantes on 16 July 2014

I signed up to get a free book, Marijuana Grow Bible, but all I receive are many, many emails. Please send the book.

By Robert on 17 July 2014

Hi Jorge,

Thanks for visiting us. Great to see you here!

The link to download the book is send right in the first email. I checked the email that was send to you, and it seemed to work fine.

After the grow bible, a few follow up tips are send indeed. Most people value those highly. But, if you don’t: one little click on ‘unsubscribe’ and no email is ever send again…

Robert Bergman,

By latewood.ILGM on 7 March 2016


If you are the guy; I have read your book. The Free Grow Bible is an ebook. Comes in pdf form. Thanks for your interest.

By maryjane123 on 17 July 2014

please send marijuana plant care book. Love the grow bible.

By THC Wiki on 6 November 2014

Nice !! Excellent for your post. Thanks sharing for us.

By lindz on 15 December 2014

im a first time grower.and loving it.please send me the bible i tried dowloading it.oh and id also love to know if i can grow organicly without chemicals.or home made fertilisers.if so what can i use in since my plant is now two weeks after germinating.

By david dhayan on 17 December 2014

i luv weed very much

By Mary Jane on 18 December 2014

I usually grow indoors and dont have pest problems,…except for that one time. I decided to be cheap and instead of paying for soil (This was 20yrs ago) I dug up some from the back yard. It was terrible, huge pest problem, almost lost my crop.

By Toni on 20 September 2015

Im a outdoor grower and ive always found Neem oil in water with tiny drop of dish soap to be a winner for all. Neem works by addleing the bad bugs and keeping the good one’s Ie ladybirds.

By Jennifer ILGM on 22 September 2015

Thanks for the tip Toni!

By Ann on 6 March 2016

Every year the helocopters fly over every August. They go ever different days. We had 3 last year and hid then in my flower bed. This year we planted 36. I bought sunflower seeds to put next to them in our woods. We 59 and afraid to put them OUT!!!!! Any one can help us?

By latewood.ILGM on 7 March 2016


I really don’t know what to say. It is much harder to grow outside under those conditions. I must assume you are not a registered Med patient; Or, in a state allowing MJ to be grown.

Corn is good as well. I have always chosen to grow indoors because, no one can serve a warrant on you unless you tell someone, or sell to someone, or show someone.

Please join our support forum where we have several members that have these same issues, and you can open a discussion about your concerns.


By Raz on 26 May 2016

Hi Ann, what part of the world are you in? I have mine out in buckets but don’t no if helicopters fly about here? They are in da middle of furs surrounding them Hut open top for sun light. Any comments help wud b great

By jrk2651325 on 17 April 2016

Based on a Hyperspectral Sensor System, which ORINCON developed with Rancho Bernardo, Calif.-based Surface Optics Corporation, the new “pot-buster” camera can detect marijuana plants from an elevation of 5,000 feet, and from several hundred yards on the ground, against a backdrop of heavy vegetation. This sophisticated technology can even differentiate a marijuana plant from hemp, a similar, but legal plant used to make rope and clothing. This technology can also be used to detect environmental pollution.

By Richard Hodges on 19 August 2016

Using beneficial nematodes is also a natural and safe way to combat pests. Check out Steinernema feltiae.

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