Discover The World Of Cannabis

How to Grow Weed in a Closet

grow weed closet

Do you want to learn how to grow weed in a closet?

If your answer is YES (Caps Lock On because we assume you are so excited that you can’t help it but to shout it out loud), then we’re here to help you find out and utilize all the tiny but essential tips for your mission of growing cannabis indoors within a limited space.

Although, labeling all closets as a limited space can be quite deceiving since we’ve seen “marijuana growing in a closet” operations that are truly spectacular when it comes to the number of plants you can nurture and, subsequently, enjoy mĐľre of the herb upon harvesting.

What makes growing weed in a closet a highly effective method for producing your very own green medication is that this technique is nothing less but a cult-classic. It has been tried and tested for several decades.

And indeed, growing weed in a closet is one of the easiest ways to cultivate cannabis indoors.

However, you do want to understand and keep in mind several important factors that will make the biggest difference in the quality and quantity of your yield.

Join us below. We will look into all the crucial aspects of growing weed in a closet.

Most importantly, we will share the exact bits of practical information to help you get down to action as soon as you finish up reading. Ready? Let’s jump in!

Assembling your Weed Closet Grow Equipment

A weed closet grow can be accomplished in just about any type of spare space such as a wardrobe, a cupboard, or a closet.

In fact, a repurposed old fridge, a repurposed old oven or a repurposed old washing machine can work perfectly fine, too.

All you have to do at the very start is to equip the marijuana grow closet with the right set of tools.

Keep handy the neat cheat sheet we have compiled to help you at the very start of setting up your indoor weed grow space.

Growing Weed in a Closet: Basic Equipment

  1. Cupboard, closet, wardrobe or any other suitable empty space of similar size.
  2. Containers for your cannabis plants(and suitable trays for the containers)
  3. Growing medium – With traditional cannabis growing, the growing medium is high-quality soil; with hydroponic cannabis growing, the growing medium can be Coco Coir, Clay pebbles, Rockwool, as well as no-substrate where your growing medium is only water.
  4. Grow lights
  5. Grow lights fixtures and/or hangers
  6. Ventilation equipment (oscillating fan and/or intake/exhaust fans)
  7. Cannabis seeds or clones
  8. Reflective materials (for covering the walls and increasing the grow lights’ efficacy. White plastic sheeting can work perfectly, too but it tends to melt and start peeling if the temperature in your weed grow closet gets too high).

Now, apart from the most basic grow-weed-in-a-closet equipment that you can’t possibly skip on, there are additional tools that can be highly beneficial to your mission as an indoor marijuana grower.
Quick Tip: While starting your cannabis growing journey may involve some extra investments, every penny will be worth it considering the possible failure vs. triumph of your growing mission.
However, all of the extra equipment listed below may or may not prove to be of help because we know that no two marijuana growers are exactly alike.

Other Essential Tools for Growing Cannabis in a Closet

  1. Nutrients – With traditional cannabis soil growing, high-quality super soils do already contain all the essential micro nutrients and macro nutrients your plants need to flourish. When it comes to growing weed in Coco Coir or hydroponic setups, you need to choose the right nutrients tailored for hydroponic growing.
  2. pH test kit –Did you know that pH imbalance is the top reason for cannabis plants nutrient deficiencies and excesses? Many beginner cannabis growers tend to look upon pH testing of the soil and water as overwhelming and somewhat irrelevant but it’s quite the opposite. pH testers cost about $10 but their benefits for cannabis growing measure in at least $100 return over the initial investment. Also, with hydroponic marijuana growing, pH testing is a MUST.
  3. Hygro-thermometer (or a separate hygrometer and a room thermometer) – Because marijuana plants are sensitive creatures and attending to their temperature/humidity preferences makes a spectacular difference in growing top-grade buds.
  4. Suitable sticks (both fallen branches, as well as any suitable cut-off pieces of wood, can work great) and/or a net – You’ll need these to train your cannabis plants in order to maximize yields and optimize the size of the grow space.
  5. #5–Light switch timer – Keeping in mind that cannabis plants can take anything between 8 and 20 weeks from seed to harvest depending on the strain’s specifications, a light switch timer can help you control the lighting schedules even if you’re on the go or simply busy with other personal tasks.
  6. Additional odor control – Setting up the ventilation system in your grow closet may not prove to fully remove the distinct cannabis odor, depending on the type of ventilation setup you opt for. Additional odor control weapons such as odor neutralizers and/or a carbon filtercan work wonders too for the discretion of your indoor cannabis garden.

Step-by-Step Tutorial for Happy Marijuana Growing in a Closet

Okay, so the basic step-by-step version of growing weed in a closet can be pretty much summed up as it follows:

  1. Clean and prep the grow closet carefully to make sure all traces of bacteria, mold, dust, and grime are removed.
  2. Cover the inner walls with reflective material or paint them white to increase reflectivity.
  3. Install your lighting setup.
  4. Install your ventilation setup.
  5. Place your marijuana plants inside the closet.
  6. Happy grow-weed-in-a-closet, hooray.

It might be surprising but this funny step-by-step mini version on how to grow weed in a closet is actually quite straightforward and amazingly authentic.

Remember that weed is not called weed in vain. Your marijuana plants are genetically predisposed to grow and survive despite any possible misfortunes they might be faced with.

Yes, even if you don’t have that green thumb you can still make it.

https://www.youtube.com/watch?v=PkZud2Yk1Ok
Video by ne1cangrow – Growing Weed In My Closet – Final Harvest and Smoke Reports

Below, we will delve into easy-to-digest yet detailed pinpoints you want to know so that you will not only learn how to grow weed in a closet but you will also understand each crucial step of the process.

Step 1 – Choose the Most Suitable Grow Lights

More lights = more buds. Better lights = better buds. Grow lights = food for your buds. Great lights = great yields. And the list continues. We truly want to highlight that your choice of grow lights affects the quality of your crops immensely.

Picking high-quality grow lights that will work best for YOU (yes, YOU, and not another cannabis grower on the other end of the world) is one of the most important decisions you have to make.

For instance, LED lights to make a fantastic choice for marijuana growing, and especially in a closet where heat emitted by HID (High Intensity Discharge) grow lights can become an issue.

But if you’re growing weed in a closet during the cold winter season and the grow space is located in a spare room which is not being heated, then HID lights can work better for you than LED lights.

In the case you are planning on a year-round growing weed in a closet operation, then LED lights can save you much from electricity bills.

The list of examples can go on but we will stop right here. Consider these examples as a friendly reminder, twist them from your personal perspective, and find the answers that will help you pick the most suitable grow lights.

Now, to the more practical side on picking marijuana grow lights.

CFLs (Compact Fluorescent Light) emit little heat, they are easy to install, easy to find in any local store, and can be wonderfully convenient for a limited space such as a closet. Look for 400W or a maximum of 600W CFLs.

During vegetation, you want Cool White CFLs of 6500K or 5000K. During flowering, you’ll need Warm White CFLs of 3000K or 2700K. Keep CFLs at approximately 2-4 inches away of your cannabis plants.

HID lights emit a lot of heat, take more time to be installed properly and also requires the use of a suitable ballast. But HIDs can be worth the effort because marijuana plants adore the crisp light emitted by HIDs. Just like with CFLs, 400W-600W HID lights are perfectly well-working for growing weed in a closet.

During vegetation, you want Metal Halide bulbs that need to be kept at approximately 1 – 1.5 foot away from your cannabis plants. During flowering, you’ll need High-Pressure Sodium bulbs which should be kept at the same distance as Metal Halide grow lights.

Both CLFs, as well as HIDs,  will require purchasing a reliable reflector while LEDs require only the help of the reflective materials on the walls of your closet.

LED lights emit very little heat, they are effortless to install and are suitable for growing weed in a closet from seed to harvest. 90 Watt LEDs are perfectly well-suited to cater to the needs of your cannabis plants.

During vegetation, you want to keep LEDs at approximately 14-18 inches away from your plants. During flowering, you’ll need to keep them at about 10-14 inches away.

https://www.youtube.com/watch?v=z9mqwJnH_-s
Video by UpTownGrowLab Inc. – How to Set up a Closet Grow Room [Step by Step Tutorial] Cannabis Grow Room

Step 2 – Pick and Maintain the Growing Medium

As a rule of thumb, growing weed in a closet gives you the same range of choices when it comes to picking a suitable growing medium as any other type of indoor cannabis growing setup.

A small-scale hydroponic system can be very helpful specifically in terms of easy irrigation. Hydroponic marijuana growing allows you to have better control over the growing medium and it can help you grow weed faster while enjoying maximized yields.

Make sure to pay attention to the nutrients you choose based on the growing medium.

Organic nutrients are suited for traditional soil growing. Top-dressing is also a wonderful option for growing weed in the soil. This way, you let the nutrients being slowly released with each watering.

If you need nutrients tailored for growing in Coco Coir or hydroponics, check out the manufacturer’s descriptions on the labels of the products to avoid issues due to opting for the wrong type of nutrients.

Keep in mind that hydroponic tailored nutrients can be used with traditional soil growing, too, but it is a MUST to use them scarcely. Start with adding as little as 25% of the recommended dosage indicated on the label of the products.

https://www.youtube.com/watch?v=T0iL_MuY-tc
Video by GrowAce – Soil vs Hydro vs Coco Blend for Indoor Gardening and Hydroponics

Step 3 – Optimize the Size of the Grow Space

The cannabis strains you choose play a key role in optimizing the size of your grow space which can become quite an issue with growing weed in a closet.

You want to skip the rush and take the time to pick the most suitable strains.

Check out the descriptions of the seeds or clones you choose thoroughly. You want to pick strains that will provide the medical and/or recreational benefits you are searching for while matching the size of your grow closet.

Auto-flowering strains can work wonders for growing weed in a limited space as they rarely exceed 1 meter in height.

Indica and Indica-dominant strains are also known for growing rather bushier and flatter than the tall, lanky, and often unruly Sativa strains.

But since crossbreeding marijuana strains has made it possible to combine the genetics of both Indica, as well as Sativa cannabis varieties, many Sativa-dominant strains can exhibit only the range of effects typical for Sativas while inheriting the structure of Indica varieties.

Then again, it is the growing specifications of each strain that truly matter, and that’s one more reason why you want to opt for seeds and/or clones from reputable retailers only.

Remember that everything starts from the marijuana seeds so even if you have the best weed grow closet setup on the planet, working with strains that possess poor genetics will decrease both the quality, as well as the quantity of the green medication you get upon harvesting.

Plus, you are much more likely to encounter issues related to nutrient deficiencies and/or excesses, as well as ending up with plants that are easily-prone to disease, bacteria, and viruses due to bad genetics.

Step 4 – Control the Height and the Stretch of your Marijuana Plants

Once you pick the most suitable marijuana strains to grow in a closet based on your personal needs and preferences, controlling the stretch, as well as the height can feel like a breeze.

One way of controlling the height of Indica and Indica-dominant strains is to initiate flowering earlier. That means you’ll keep your plants into vegetation for as little as about a week (typically 10 – 13 days), as opposed to a full month or more. Doing so will make your cannabis beauties to remain short and flat.

Training and pruning cannabis plants grown in a closet is highly recommended and extremely beneficial. Not only will this help you control their height but it will also help you get maximized yields.

If you’re still a beginner cannabis grower, low-stress training techniques will be easy to apply so don’t be afraid to try these out. Topping your cannabis plants during vegetation is effortless.

Be extra careful with low-stress training techniques when it comes to auto-flowering strains.

As autoflower cannabis varieties enter flowering without the usual transition of 12 hours of darkness vs. 12 hours undisturbed light, it’s very easy to commit mistakes by topping them too early or too late depending on the stage of their growth. This can result in stunted growth.

https://www.youtube.com/watch?v=42JiCwGBrDs
Video by Lex Blazer – Training Cannabis Plant Branches – Bending Basics How To

TheSCROG training (Screen of Green) technique is equally easy to apply for all cannabis strains and maintain a flat, even canopy. Essentially, with the Screen of Green method, you’ll simply keep “weaving” the branches along the screen and tucking them in so that the buds get exposed to more light without allowing the plants to get too tall.

The stretch of your cannabis plants can also become bothersome when growing your green ladies in a closet. One easy-peasy way to limit the stretch is to maintain the same room temperature during both day times, as well as nighttime during flowering.

https://www.youtube.com/watch?v=ikibKgua_NQ
Video by hydro select – What makes plant stretch – Lesson 19

Another smart trick that can help you limit the stretch even further is by mimicking the natural way earth releases infrared energy absorbed during the entire day very early in the morning. It is due to this natural phenomenon why low morning temperatures tend to occur after sunrise.

In order to imitate this natural process, you’ll have to get up very early in the morning before the sun has risen, and lower the temperature in the grow closet with approximately 10 degrees.

You can do so by simply opening the door of the grow closet and letting the fresh morning air penetrate the room, and subsequently, the closet. But do apply this method with great care, dedication, and moderation because you don’t want to stress out your cannabis plants, right?

Your goal is to lower the early morning temperatures for about an hour or so and to make sure that these temperatures will be lower than the nighttime grow closet room temperatures to achieve the results you’re aiming for.

Last but not least, this method is applicable during vegetation and up to the early stages of flowering. At some point of flowering, your cannabis plants stop stretching, and this method will stop producing the results you want.

As soon as the first week or so of flowering have passed, your mission is to maintain higher room temperatures during the day vs. lower temperatures during the night within about 10 to 15 degrees difference. Doing so maximizes the production of both cannabinoids, as well as terpenes, and subsequently, increases both the potency, as well as the flavors and aroma of the juicy buds you’ll get upon harvesting.

Also, with this particular stretch-reducing technique, you want to be especially careful if applying it to auto-flowering strains. That’s because if you lack experience with growing autos, it will be easy to get confused and fail to notice the exact time your plants have transitioned to flowering, which is a crucial pinpoint in utilizing this technique.

The third way of controlling the stretch of your weed plants that we are eager to share is to avoid packing your green ladies too tightly, especially during flowering.

According to experts, plants utilize the red spectrum of lighting a twofold way. The red spectrum of light is invisible to us, humans, but plants convert it into food during flowering thanks to the process of photosynthesis.

Red light is generally divided into ordinary red light and far-red light. Red light is absorbed through the leaves of your cannabis plants while part of it gets blocked. However, far-red light penetrates freely without being blocked by the leaves. This triggers a phenomenon known as the shade avoidance response.

Shade avoidance response makes your cannabis plants stretch in search of more of the vital red light. And since limiting the stretch is important for growing weed in a closet, making sure that your cannabis plants are distant enough from each other as to allow both red, as well as far-red light to penetrate in balance, is the way to go.

https://www.youtube.com/watch?v=VOTivpZleVw
Video by MIGRO – What is the best grow light spectrum?

Step 5 – Set Up the Ventilation System

Setting up the ventilation system in your weed grow closet tends to be one of the most confusing, as well as time-consuming aspects of your mission. But it doesn’t have to be that way.

In fact, many cannabis growers manage to grow marijuana in a limited space such as a closet without ever investing in suitable ventilation.

If you are free to keep the door of your closet opened frequently enough and if you can sustain a balanced room temperature and relative humidity by opening up a window, then you might be good to go without spending a dime. Place just a single oscillating fan for an extra air flow boost – no ducting, minimal efforts, and you’ll be good to go. For limited grow spaces, clip-on desk fans or small circular fans can also do the trick.

However, providing a consistent flow of fresh air by opting for a suitable combination of an exhaust and intake fan will help you keep your indoor cannabis closet garden away from issues related to mold, and various pests who simply adore high temperatures, humidity, and stagnant air. Also, this will help you minimize odor leaking away by keeping the door of the grow closet sealed.

https://www.youtube.com/watch?v=96iG-LmUYO0
Video by INDICA INSTITUTE – Weed Grow Operation Set Up – Weed Ventilation

There’s a bit of drilling involved when it comes to installing your exhaust/intake fans but a simple circular saw will do a great job. Plus, you only drill once at the very start of setting up the ventilation, so it’s not that much of a big fuss.

Most importantly, you want to choose an exhaust and intake fans that feature a suitable CFM for the size of your weed grow closet. The CFM rating is displayed for each fan available on the market.

To find out the CFM you need, multiply the height, width, and length of your grow space – let’s say you have 2x3x2, which equals 12 so any fan featuring a CFM rating that’s close to this number can do a great job. For instance, 4-inch fans usually have a CFM of 100 – which means you’ll be good to go with compact-sized fans that will be also easy to install.

A carbon filter is a superior choice for eliminating marijuana odor and controlling the quality of the air in and out of the grow closet. Carbon filters work by binding to the aromatic molecules in the air and transferring them out of the closet.

If investing in a suitable carbon filter does not match your needs or preferences, then simple odor neutralizers can be helpful in limiting the marijuana smell to a decent, average extent.

How to Grow Weed in a Closet: The Bottom Line

Anyone can learn how to grow weed in a closet but those who take the time to consider the tiny aspects that make a huge difference will enjoy far more satisfying results upon harvesting.

Don’t be lazy in doing your research and don’t let your enthusiasm for quick-and-easy fixtures over-consume you. Marijuana plants are creatures of habits, and they will reward you if you take the time to give them your love, affection, and care.

We hope that the friendly guidelines and smart tips shared in this tutorial on how to grow weed in a closet will be of your best assistance. Help us on our mission of making this world a greener, better place together by joining us with any comments, thoughts, questions, and/or little-known tricks for successful marijuana growing in a closet below.

https://www.youtube.com/watch?v=hcV1sEDBPd0
Video by From Seed to Stoned – Growing Weed In A Closet – $300 Budget Autoflower Grow

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