How to Grow Cannabis in 10 Easy Steps
by Nebula Haze

Table of Contents

Introduction: How to Get to Harvest in 10 Steps

Step 1: Choose Your Place to Grow

Step 2: Choose Your Light

Step 3: Choose Your Growing Medium

Step 4: Get Cannabis-Friendly Nutrients

Step 5: Where to Get Cannabis Plants

Step 6: Germinate Your Seeds / Start Your Clones

Step 7: Vegetative Stage – Only Stems and Leaves

Step 8: Flowering Stage – Buds Start Growing!

Step 9: Harvest Your Cannabis

Step 10: Dry & Cure Your Buds Like a Professional


Your Growing Cannabis Information Kit:
Get to Harvest in 10 Steps!
Sweet Seeds Black Jack Automatic strain - buds in handCannabis legalization is spreading like wildfire across the US, Canada and in many other countries around the world. Many people are finally allowed to legally grow their own supply of cannabis!

Are you ready to start growing?

Growing cannabis can seem like it’s complicated, but often it only seems that way because you haven’t been given the right information. A lot of people unintentionally make growing harder than it needs to be, but that ends now!

This cannabis growing guide will help you discover the best way to grow cannabis, for your unique situation.

Find a grow style for…

Your grow space
Your budget
Your desired yields
Growing cannabis plants is actually pretty straightforward, and almost anyone with a few extra minutes a day and a spare closet or a garden in the backyard can grow their own professional-quality buds at home.

What does a cannabis plant need to thrive?

In order to thrive and grow, every cannabis plant needs:

Light – whether you’re using sunlight or grow lights, you must understand the light needs of a cannabis plant to get the best bud quality & yields.
Growing Medium – the stuff your plants grow in; soil isn’t your only choice!
Air – a well-ventilated space with good air exchange and a slight breeze is best.
Temperature – A good rule of thumb for cannabis plants is if it feels too hot for you, it’s probably too hot for your plants. Just like humans, cannabis plants can die if exposed to extreme temps.
Nutrients – you can buy pre-formulated nutrients that you just add to your water, or you can compost your own super soil so that it already includes all the nutrients you need.
Water – like all plants and living creatures, cannabis needs water to survive and grow. Is my tap water “good enough” for growing cannabis?
When growing cannabis indoors or outdoors, you will need to ensure that it gets the proper amount of these 6 resources.

A healthy cannabis leaf - click for closeup!

How long does it take to grow cannabis?

If you planted a cannabis seed today, when is the soonest you could be actually smoking your harvest? Probably about 9 weeks with a quick-finishing autoflowering strain.

Indoor grows tend to be shorter than outdoor grows since you have more control over when the plant starts budding. Auto-flowering grows also tend to be very short. But with shorter grows, you also tend to get smaller yields. Certain strains and certain
outdoor grows can take up to 7 months or more.

On average, I’d say it takes a grower about 3 – 5 months to grow, harvest and cure their own buds.

Learn more about how long it takes to grow cannabis

A sundial shows the time - how much time does it take to grow a cannabis plant?

Don’t Make the 3 Most Common Cannabis Growing Mistakes!

One of the most common mistakes by new cannabis growers is conducting spur-of-the-moment experiments that hurt or possibly even kill their plants. Always take a second to google your idea before you try it. Luckily when it comes to growing cannabis,
there is a good chance that someone has tried it already!
The next most common problem new growers have is the tendency to skip crucial steps like understanding light schedules, or why root pH levels are important for reducing nutrient deficiencies. While you can get lucky and succeed at growing weed without
taking these steps, you are a lot more likely to end up with plants that are sickly or don’t produce well. Make sure you follow all the steps listed in this guide – you deserve to harvest your own top-quality bud!
Don’t re-invent the wheel! You can benefit from the mistakes of others by learning how not to make the same mistakes. Don’t be afraid to look something up or ask a fellow grower!




10-Step Beginner’s Guide to Growing Cannabis

Step 1: Choose Your Location
Step 2: Choose Your Light
Step 3: Choose Your Growing Medium
Step 4: Determine Your Nutrient Schedule
Step 4B: Nutrients, continued: pH is Important
Step 5: Where to Get Cannabis Plants
Step 6: First New Leaves… Life Begins!
Step 7: Vegetative Stage – Grow Your Plant Big and Strong
Step 8: Flowering Stage – Buds Start Growing!
Step 9: Harvest Your Cannabis
Step 10: Dry & Cure Your Buds Like a Professional




Step 1: Choose Where You Will Grow (Indoors or Outdoors)
Indoors
Outdoors
Flowering marijuana plants grown under a 315 CMH (LEC) grow lightIndoor Growing

Growing indoors is much more private than growing outdoors and you also get more control over your grow.

An indoor cannabis grow can be surprisingly cheap to get started and maintain, especially if you plan on growing just a few plants.

Take a look at a few completed indoor grow journals to get an idea of how much you can expect to harvest in different types of indoor setups. My lastest 315W LEC grow yielded over a pound (497g) of dried and cured cannabis.

You have more control over everything in an indoor growing environment, which means that indoor growers can consistently produce dank buds. However, this dank weed-growing power comes with more responsibility. As an indoor grower, your plants are 100%
reliant on you your care if they are to survive. If you don’t provide everything your plants need, they will die.

What space works best?

You can grow cannabis almost anywhere that has easy access to water and fresh air…

a spare room
a closet
garage
grow tent
extra bathroom
even the inside of a computer case!
(though I recommend a Space Bucket instead 🙂
When thinking about where to grow indoors, you should also consider the temperature (also referred to as ‘temps’) of your grow space and remember your temps will rise once you have your grow lights running!.

A thermometer - Temperature is important when growing cannabis indoorsYoung growing cannabis plants grow fastest when temps a bit warmer, in the 70-85°F (20-30°C) range.

When plants are a bit older, in the budding/flowering stage, it’s best to keep temps slightly cooler, around 65-80°F (18-26°C) to produce buds with the best color, trichome production and smell.

Because temps are so important, it’s best to be able to have some amount of control over the temperature of your grow area. When growing indoors, your grow lights will give off heat. Generally, the more powerful your lights, the more heat they give off.

If you want to install a lot of bright lights in a small space, you will likely have to install an air conditioner in addition to your exhaust system to make sure you keep your temps in the right range.

If you’re growing just a few plants in a grow tent or box, usually you can install a fan to pull hot air away from the hot lights and out a window to keep things cool enough.

Some lights tend to cause more heat problems than others, and we’ll help you find the right lights for your space in Step 2.

The silhouette of an outdoor cannabis plant growing under the sunOutdoor Growing

Growing outdoors is cheaper to get started since you don’t have to get grow lights or create an indoor grow area, though you will have to worry about privacy/stealth, possible pollination, people stealing your plants, bugs, deer and other unexpected
outdoor visitors.

However, if you pick the right strain and live in a good environment, it can be much cheaper to grow outdoors, since you don’t have to provide everything for your plants. The sun will do a lot of the most cost-heavy work for you by providing a free
grow light.

Of course, when you’re growing outside, it’s not always possible to control the environment perfectly. If it’s dry, you will need to water your plants. If it’s too rainy, you need to protect your plants from getting overwatered.

When it comes to temperatures, a good rule of thumb about cannabis plants is if it’s too hot for you, it’s probably too hot for your plants. And just like humans, cannabis plants can die if exposed to freezing or too-hot temps.

So if you know it’s going to be extremely hot or cold where you live, you may need to take extra steps to protect your plants from the elements, like setting up a small greenhouse.

Learn more about the difference between growing cannabis indoors vs outdoors



Step 2: Choose Your Grow Light – What kind of light do you need to grow cannabis successfully?
Generally speaking, when growing marijuana, More Light = More BudsThere are lots of different grow lights for cannabis, including:

The Sun
Compact Fluorescent Light Bulbs (CFLs) & Household LEDs
Other Fluorescent Lighting (T5 / T8)
LEC (CMH) grow lights
LED grow lights
Metal Halide (MH) & High-Pressure Sodium (HPS)


The Sun

When you’re growing with the sun, you need to make sure that your plants are getting at least 8+ hours of direct sunlight each day for the best results.

It’s best that your plants get direct sunlight from at least 10am-4pm, and more light is better. Because of the high light needs of the cannabis plant (it needs more light than many other types of plants), it is not well suited to growing in a window (
though I’ve seen plenty of growers start their seeds in sunny windows before moving their plants to a more suitable final location).



Household Lighting: Compact Fluorescent Light Bulbs (CFLs) & Household LEDs



Compact Fluorescent Light Bulbs (CFLs) & household LEDs are what people commonly use to light up their homes. They aren’t really made for growing plants, but can be a good way to get your feet wet in the growing world without a significant investment.
They lack the power of dedicated grow lights, but can get the job done. CFLs and home LEDs like these are dirt cheap, and you can usually buy them from any big-box store without arousing suspicion. In fact, growing with CFLs is what I did for my first
grow and I got them from a local Home Depot. I imagine that my first grow would’ve ended the same (or even better) had I used small household LEDs instead of CFLs, though they weren’t available back then. Learn more about growing with CFLs.



Other Fluorescent Lighting (T5/T8)



These lights are traditionally made for seedlings and plants that need lower light intensity than cannabis. If you do get other fluorescent lighting, I recommend sticking with a High-Output T5 light since they are the brightest option in this group. Even
so, I generally recommend changing to stronger grow lights for the cannabis flowering stage unless you do major plant training (to keep plants very short) since these lights have a short light brightness range and must be kept very close to the tops of
your plants. Learn more about growing cannabis with fluorescent lighting.





LEC (CMH) grow lights



LEC (Light Emitting Ceramic) is a brand name for a type of light (CMH – Ceramic Metal Halide) that has existed for quite a while. This type of light has come back into vogue after some rebranding, partly because it has some very positive traits for
growing cannabis compared to HPS lighting. For one, LECs have a more natural color that makes it easier to care for and diagnose plant problems. Plus, it’s a lot better for security to have a light that doesn’t scream “WEED GROWING HERE!” like
the unearthly yellow hue of an HPS. They produce significant levels of UV light, which can possibly increase trichome production. Additionally, they don’t seem to emit EMI (Electro Magnetic Interference) as much as their noisy HPS cousins which means
you’re less likely to have a HAM radio enthusiast accidentally tracking down your grow. The plants grew surprisingly fast under a 315 LEC and we were impressed by the yields we achieved on our first grow.

Nebula grows 1+ pound of weed with a 315W LEC
Are LEC Grow Lights Good for Growing Cannabis?


LED grow lights



LEDs are much more powerful than CFLs or any other fluorescent lighting. They are top-tier grow lights on par with HID lighting (HPS, LEC) when it comes to how much bud they can produce. They’re visually attractive and tend to be more appealing to
growers because they’re not as ‘old-fashioned’ (though they tend to cost more). In fact, LEDs are the only grow lights that have seen major technological research and development in the past 10 years.

LED grow lights work great for growing cannabis and some companies have been refining their models for years (the combination of parts is almost like a company’s recipe). Each LED model is different and needs to be kept a different distance away from
your plants. It can sometimes be hard to find any “standard” advice about growing with LEDs, yet these days there are quite a few brands which are well-tested and trusted by cannabis growers and these brands tend to have good support for questions.
When in doubt, it’s always a good idea to just ask the manufacturer about how far away the lights should be kept, as that’s where new growers are most likely to mess up.

Learn more about LED grow lights
LED vs HPS Grow Lights


Metal Halide (MH) & High-Pressure Sodium (HPS)





MH/HPS grow lights (like the light pictured here) are a type of “HID” light like LECs. A combination of MH/HPS is what most commercial growers use when growing cannabis indoors. They are surprisingly cheap to buy and set up, especially considering
how incredibly powerful they are.

HID lights work very well for growing cannabis and produce consistently good results indoors. However, the higher wattage HID lights tend to run hot and can leave a big mark on your electricity bill. You definitely want to make sure you’re getting the
exact right lights for your space so you don’t pay for more light than you really need. HID lighting (HPS in particular) has another problem in that it’s been less popular over the last few years. This has made it increasingly difficult to find
quality models if you’re not looking for a huge 1000W.

That being said, the smaller MH/HPS grow lights are actually really well suited to a small grow and don’t produce nearly as much heat as their bigger cousins. Check out a grow under a 250W HPS in a 2’x4’x5′ tent. I didn’t even use an exhaust!

See another grow under the same 250W light (with autoflowers), and yet another grow we did with 2 plants under a 600W HID grow light a while back. Learn more about HID grow lights.

Get a detailed breakdown of all the different types of cannabis grow lights



→Don’t know what type of lighting to pick? Choose your grow type based on your starting cost…

Ultra-Small, Cheap & Stealthy: DIY Space Bucket
Setup Cost: ~ $100
Easy First Grow: Coco Coir & CFL Grow Lights
Setup Cost: ~ $30
Go Pro with HIDs: MH/HPS Grow Lights
Setup Cost: ~ $400- 1000+
New-Age HID: LEC Grow Lights & Coco Coir
Setup Cost: ~ $600-1000+
Mad Scientist: LED Grow Lights
Setup Cost: ~ $400-1300+


Step 3: Choose Your Growing Medium
Each growing medium that you can use has different care and watering requirements.

Young cannabis seedling growing in rich soil in a person's hands

These are the most common grow mediums:

Soil – grow in organic composted super soil for the easiest growing experience, or start with the popular Fox Farms Ocean Forest soil mix (FFOF already contains enough nutrients to last the first month of your young plant’s life).
Soilless Mix – anything besides soil including coco coir, perlite, vermiculite, etc. (all soilless mixes are technically considered hydroponic growing since there’s no soil).
Directly in Water / Hydroponics – Get some of the fastest growth and biggest yields possible, especially when combined with HID/LEC/LED grow lights.
Less Common Types of Hydro – Some people grow with plant roots suspended in misted air (aeroponics) or in a tank with fish (aquaponics), but these are relatively less common for cannabis growers.


What’s the Best Soil? Your absolute best option would be to compost your own soil (or purchase composted soil) which gets incredible taste results but does take a little more work (or money if you buy it).

For those of us who prefer pre-made mixes, I recommend starting with the popular Fox Farms Ocean Forest soil (often referred to as FFOF) since it’s already supplemented with plenty of nutrients that work very well for young cannabis plants. It’s a
rich yet still somewhat airy soil that is made for plants just like cannabis and has been used by growers for years.

If you have limited soil options, choose an organic potting mix which is usually available in some form in the gardening section of any big-box store. As long as you use good cannabis nutrients (more on that below), a regular organic potting mix will
work just fine.

Common cannabis-friendly potting mix brands in the US:

Kind Soil Pre-Made Super Soil (top-tier and organic)
Fox Farms Ocean Forest Soil (top-tier)
Black Gold All Organic Potting Soil (good)
Espoma Organic Potting Mix (okay)
Miracle-Gro Organic Choice Potting Mix (worst) – If you say you’re growing in Miracle-Gro soil, a lot of cannabis growers will wag their fingers at you. In addition to poor drainage, the original Miracle-Gro soil contains slow-release Nitrogen which
is good for vegetative plants but bad for bud growth in the flowering stage and you can’t really rinse it out. Too much Nitrogen in the flowering stage can lower yields as well as possibly add a green or chemical “taste” to buds. However, if you’
re going to use Miracle-Gro, their Organic Choice Potting Mix doesn’t have slow-release nutrients, which makes it a better option for growing cannabis than their standard version. It still drains poorly even with perlite, but if you’re desperate it
does the job and you can get good results if you use good nutrients. The truth is that many growers have made it to harvest over the years with Miracle-Gro, despite some problems along the way, and even though it’s definitely not optimal, sometimes you
have to do what you have to do!
Pick up a bag of perlite (found in the garden section) to help soil drain better unless it already contains perlite. Perlite looks like little white rocks and should be mixed in so you have about 70% soil and 30% perlite. Should you add perlite to your
soil?



What type of pot should I use for soil or soilless growing mediums?

Composted super soil is rich with all the stuff your cannabis plants loveIf you’re having a tough time deciding on a grow medium, you might want to think about starting with a mix of coco coir and perlite. It’s easy and low-maintenance. That’s how
I got started growing (with CFLs as grow lights) and it’s also what I used in my 1-pound 315W LEC grow. Growing with coco coir can be a good choice for beginners because it’s cheap, holds water well, and doesn’t have as many of the problems
associated with soil (bugs, root problems, etc.). Yet since it’s hand-watered, it’s intuitive and has a lot of the ease of soil growing.

I’ve heard many people recommend against growing cannabis hydroponically for your first time because it’s “too complicated,” yet I’ve seen growers succeed at every grow type even on their very first grow. If you really want to grow
hydroponically, I recommend you don’t waste your time doing something else first. If you’re passionate about hydroponic growing and do your research before you get started, there’s no reason you won’t be able to do incredibly well your first time.
Read our bubbleponics tutorial to see how GrowWeedEasy.com co-creator Sirius got started growing cannabis with top-fed DWC on his very first grow.

Learn more about different grow types here



Step 4: Choose Your Nutrients
Soil growers – unless you’re growing with composted super soil, you will need to get cannabis nutrients made for soil to make sure your plants produce at their best. Even if you started with an amended soil like FFOF, you will still need to start
adding nutrients once you reach the flowering/budding stage as cannabis plants are heavy feeders and your plants will have already used up most of the nutrients in the soil by the time budding begins.

Soilless & Hydroponic growers – If you are growing in any medium besides soil, like a soilless mix or directly in water, you will want to get cannabis nutrients specifically made for hydroponics. Some nutrients are even more specific; for example,
Canna Coco is formulated to work best for growing weed in Coco Coir. For hydroponic grows, I highly recommend the General Hydroponics Nutrient Trio – here’s the cannabis-friendly GH trio nutrient schedule I use with my cannabis plants.

One nutrient system to rule them all…

Looking for a suggestion? One of the simplest (yet inexpensive) nutrient systems that works extremely well for beginning cannabis growers is Dyna-Gro (Grow, Bloom)

Dyna-Gro can be used at half-strength in soil, water, coco coir, or any growing medium and works amazingly well for growing cannabis. It does not build up salt in your growing medium like many other inexpensive fertilizers, and it will never clog your
hydroponic system.

Just use the “Grow” bottle during the Vegetative stage and the “Bloom” bottle during the Flowering stage. You can actually follow the instructions on the bottle. It’s super simple.

Like all nutrient systems, avoid starting at full strength or it can burn your plants! Learn more about nutrient burn. Only raise the dosage if you notice that your lower leaves are turning yellow and falling off (except in the last 2-4 weeks before
harvest, when yellowing lower leaves is a natural part of the maturation process)

Learn more about cannabis-friendly nutrient systems

Is my tap water “good enough” for growing cannabis?

Before I address pH, let’s talk about the “hardness” of your water…

The “hardness” of water describes how much extra “stuff” (like minerals and/or impurities) is contained in your regular tap water. You can contact your local water supplier for more information (ask for a “municipal water report”), or you can
test the PPM of your water at home. Generally, as long as your water has less than 200-300 PPM (parts per millions) of extra stuff, it should be okay to use it for growing. If you are worried about the quality of your tap water, you can choose to use
purified or Reverse Osmosis (RO) water, but you may then need to add extra Cal-Mag and possibly a few other supplements to help make up for the random minerals and nutrients that are normally found in tap water. I’ve personally always grown with
straight tap water (in a big city in California with a natural PPM around 370, which is pretty high), and I’ve never had a problem. However, some places have very hard water, or tap water with unacceptable impurities, and growers in these areas will
likely need to use purified water to get the best results.



Step 4B: Nutrients, continued: The Importance of Root pH


It’s important to maintain the pH of your root environment to prevent nutrient problems.

The easiest way to do that is to test the pH of your water before you water your plants or add water to your reservoir.

There are certain types of grows (such as when growing cannabis in organic composted super soil) where you don’t need to test your pH unless you run into problems. This is because with a properly composted super soil, you actually have a microbial
colony living in the soil that will take care of the pH and hand-deliver the nutrients to the roots of your plants for you. However, this is a rare exception to the pH testing rule, and almost all growers need to regularly test and maintain pH for a
successful grow. If you’re not growing in super soil that you have amended and composted (or purchased) yourself, testing and maintaining pH is a MUST.

Some growers will always get lucky and successfully grow weed without testing the pH of their water, but most people who don’t test for pH will start seeing signs of nutrient deficiencies and other nutrient problems.

If the pH at the plant roots is too high or too low, your plants won’t be able to absorb nutrients properly.

Even if plants do fine in the vegetative stage, cannabis plants tend to be more picky and prone to problems in the flowering/budding stage. Many growers have written in to tell me they got all the way to the flowering stage without testing pH, then were
surprised that they start running into nutrient problems as soon as the plants start budding. In order to make sure this doesn’t happen to you, it’s important to get in the habit of testing pH right from the beginning!

Even if the right amounts of nutrients are present, your cannabis plants simply cannot absorb them if the pH isn’t in the correct range.

It’s actually really easy, quick, and cheap to learn how to check and adjust the pH of your water, and there are “pH test kits” specifically made for this purpose.

After you get the hang of it, checking and adjusting the pH and will take you less than 3 minutes each time you water your plants. And your results (monster yields with huge buds and healthy plants) will speak for themselves.

Soil: Maintain 6.0 – 7.0 pH
Hydroponics: Maintain 5.5 – 6.5 pH

Getting the pH exactly right isn’t nearly as important as checking regularly and making sure it stays within these ranges.

Click here for more information on pH testing.



Step 5: Get Your Cannabis Plants (& Choose Your Strain)


For those growers lucky enough to know other cannabis growers in real life, getting plants is usually pretty simple. Many cannabis collectives and dispensaries will happily sell you clones though they tend to be a little less liberal when it comes to
selling seeds. A great advantage of purchasing clones or seeds from a trusted source is that you know you can trust the genetics you are receiving.

Starting with seeds vs clones

Yet many people do not know any other growers in real life. For these soon-to-be growers, the best option may be to purchase cannabis seeds online from a breeder or seed bank.

Surprising Fact: No one in the US has ever gone to jail or prison from simply ordering cannabis seeds online from overseas.

If you are considering this for the first time, you may be surprised to learn that, because of the way the laws about customs work in America, it is actually reliable and safe to buy your cannabis seeds online from a reputable seed bank as long as you
get it from outside the US (sending seeds from one place to another in the US can get you in big trouble though!).

Learn more about safety precautions when ordering seeds online

Get Seeds – View a list of tested & trusted seed vendors: https://www.growweedeasy.com/seeds

Get Clones – You need to know someone with live female cannabis plants if you want to get clones. Many cannabis dispensaries and collectives will sell clones to prospective growers, or you might know someone who can give you a clone. Learn how to make
your own cannabis clones!



Choose the Right Cannabis Strain

Trustworthy Breeders

13 Things I Wish I’d Known Before I Started Growing



Step 6: How to Germinate Cannabis Seeds

If you have already a rooted clone (a live cannabis plant) please skip right to Step 7.
There are many methods for cannabis seed germination.

Personally, I think one of the easiest ways to germinate a cannabis seed is to place it directly in a specialized starter cube like a Rapid Rooter.

Just keep the Rapid Rooters moist (but not soaking) and warm. It can help to put your tray on a seedling heat mat. Seedlings should pop in a few days to a week.

So far Rapid Rooters with a heat mat have given me the best germination rates of any method. They work with any growing medium, too – once the seedling has emerged, you can stick the cube directly into your growing medium or hydroponic system.

Learn more about germinating seeds via Rapid Rooter

Another popular way to germinate seeds is via the paper towel method.

Paper Towel Method:

You will need…

Cannabis seeds
2 plates
Paper towels
Water
A place to plant sprouted seeds


Click to learn more about how to germinate marijuana seeds

NOTE: If seedlings seem to be “stretching” upwards or growing very tall, usually it’s because they want more light.

Step 7: Vegetative Stage – Grow Your Plant Big and Strong
Once your plant grows the first “regular” set of leaves, it’s pretty much officially in the vegetative stage. How long is the vegetative stage?

Cannabis plants keep getting bigger and bigger with long days (vegetative stage) and start making buds when they get long nights (flowering stage).

This picture was taken just before I turned these White Rhino plants over to flowering. I like to keep my grows short and quick when growing with CFLs.Young growing cannabis plants grow fastest when the temperature is a bit warmer than a comfortable room
temperature, around 70-85°F (20-30°C). But as long as it doesn’t get freezing cold or burning hot, your plants should be able to grow in a wide range of temperatures.

How often do I water my cannabis plants?

In this stage, your plant will focus ONLY on getting big and strong. Buds and flowers are not part of the plant’s vocabulary yet.

If you’re feeding your plant with additional nutrients, start at half strength as it can be easy to burn your young cannabis plants. Bring to 3/4 strength one plant starts growing vigorously and if your plant displays signs of needing more nutrients
even though the pH is in a good range.

Only feed nutrients at full strength if the plant is showing signs that it needs more nutrients (lower leaves are turning lime green, then yellow, then falling off – the first sign of a nitrogen deficiency, the most common type of deficiency – if the
plant is not getting enough nutrients).

At this stage, you can’t tell if one of your cannabis plants is going to be a boy or a girl yet. Wait, why do I care if my plant is a boy or a girl?

Cannabis plants in the vegetative stage (vegetating plants only grow stems and leaves, no buds)

Light

Give plants 18-24 hours/light a day in the vegetative stage when growing indoors. 18 hours of light a day is preferable, 24 is for the experimental type of grower.
If growing outdoors, try to make sure you plant gets strong, direct light for most of the day, at least from 10am-4pm, and more if possible.
The size your plant gets in this stage will have a huge impact on the final size of your plant.

How do I control how my cannabis plants grows during the vegetative stage?


Indoor growers – When do I switch my plant from the vegetative stage to the flowering stage?

How can I tell when the vegging stage ends?

What do I do if I run into problems?



Step 8: Flowering Stage
This is the stage where your plants start making buds. This stage will last until harvest!

During this stage, you will need to…

Change to 12-12 Light Schedule
Identify Gender of Cannabis Plants
Get Rid of any Males
We’re getting to the exciting part!

Most strains of cannabis begin this stage once they’re getting at least 12 hours of uninterrupted darkness a night. Autoflowering cannabis plants will start the flowering stage without needing a lighting change.

Light


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