Marijuana 101: Growing Weed Indoors for Beginners (2024)


As a cannabis cultivator, I often receive questions from beginner home growers about the best weed strains to grow and how to grow indoors for beginners. Growing cannabis can be a rewarding and fulfilling experience, but it can also be a challenging one.

In this article, we will walk you through the entire process of cannabis cultivation, from the beginning with seeds or clones to all the growing stages and finish with how to cure the harvested buds.

Best Strains for Beginner Home Growers

When it comes to choosing strains to grow, there are many different factors to consider. For beginner home growers, it's best to start with strains that are easy to grow, have a relatively short flowering time, and are resistant to common pests and diseases. Here are some of the best strains for beginner home growers:

  1. Northern Lights – This classic strain is a staple in the cannabis world and is known for its fast flowering time and high yields. Northern Lights is a hybrid strain that is easy to grow and is resistant to pests and diseases.
  2. White Widow – White Widow is another classic strain that is known for its fast flowering time, high yields, and resistance to pests and diseases. This hybrid strain is a good choice for beginner home growers, as it is relatively easy to grow and produces large, sticky buds.
  3. Blue Dream – Blue Dream is a popular hybrid strain that is known for its sweet, fruity aroma and high yields. This strain is easy to grow and is resistant to pests and diseases, making it a good choice for beginner home growers.
  4. Bubblegum – Bubblegum is a sweet and fruity strain that is known for its high yields and fast flowering time. This hybrid strain is easy to grow and is resistant to pests and diseases, making it a great choice for beginner home growers.

Growing Your Cannabis

Once you've chosen your seeds or clones, it's time to start growing your cannabis. Whether you're growing in soil or hydroponic systems, the basic growing process is the same. Here's an overview of what you'll need to do:

  1. Prepare your grow area – This includes setting up lights, fans, and other equipment, as well as preparing your soil or hydroponic system.
  2. Germinate your seeds or plant your clones – This is the stage where you get your seeds or clones started. If you're growing from seeds, you'll need to soak them in water and then place them in soil or a hydroponic system. If you're growing from clones, you'll simply need to plant them in soil or hydroponic system.
  3. Vegetative stage – During the vegetative stage, your plants will grow leaves and stems, and you'll want to provide them with adequate light and nutrients to encourage growth.
  4. Flowering stage – Once your plants have reached a certain size, they will start to flower. This is the stage where you'll start to see buds form on your plants. You'll want to reduce the amount of light your plants receive each day to trigger the flowering stage.
  1. Trimming – Trimming is an important step in the growing process, as it helps to improve the appearance and quality of your buds. You'll want to trim away any large fan leaves, as well as any small leaves that are close to the buds. This will also help to improve air flow and prevent mold or mildew from forming on your buds.
  2. Harvesting – Harvesting is the moment you've been waiting for! When your buds are ready to be harvested, they will be dense, sticky, and covered in trichomes. You'll want to cut your plants down at the base, and then hang them upside down to dry.
  3. Drying – Drying is an important step in the curing process, as it allows the moisture in the buds to evaporate. You'll want to hang your buds in a well-ventilated area with low humidity, and check them regularly to ensure that they are drying evenly.
  4. Curing – Curing is the final step in the growing process, and it is crucial to the quality and taste of your buds. During the curing process, the buds will continue to mature and develop their flavor and potency. You'll want to store your buds in airtight containers in a cool, dark place, and check them regularly to ensure that they are curing properly.

How Long Does It Take to Grow Weed Indoors?

Weed plants grow at different speeds, but usually, plants can grow fully within a few months. Generally, cannabis plants take about three to four months to mature, although autoflowering strains can grow in under three months.

Growing Weed Indoors for Beginners

Cannabis plants require proper care and maintenance from seed to harvest.

Here’s what you’ll need to grow indoor marijuana.

Seeds and Clones

Will you be starting your garden withseeds or clones? For beginners, we recommend using feminized seeds over regular seeds since feminized ones only produce flowering plants, not male pollinating plants. Autoflowering strains can be a good option, too.

If you’d rather skip the germination phase, you can start your garden with a cannabis clone derived from a healthy, vegetative mother plant. Cannabis clones are branch cuttings that feature the same genetics as their mother plant.

Grow Space Location

Cannabis plants can be grown in any free space in your home. We recommend investing in a small grow tent to provide your plants with a climate-controlled grow space to thrive.Grow tentscome in various shapes to accommodate small or large gardens.


Marijuana 101: Growing Weed Indoors for Beginners (1)

Growing marijuana indoors means you need to provide your plants with plenty of light. We recommend light-emitting diode (LED) lights over fluorescent or HID grow lights. WhileLEDs may have a slightly higher upfront cost, they run cool, use less heat, provide energy savings, and have a higher light intensity.

Air Circulation and Ventilation

A small oscillating fan in your grow tent or grow room can provide your plants with the right amount of air flow to reduce humidity and strengthen their structure.Air circulationand an intake and exhaust fan can bring in the fresh air and take out stale air.

Growing Medium

We recommend using soil over a soilless medium in a hydroponic system for beginners.Pre-made soil mixeswith organic nutrients are an excellent way to start your garden. Soil-based systems can be more affordable and require less maintenance than hydroponic systems.


Cannabis containers should provide proper drainage, space for roots, and air circulation.Fabric potsare great options for beginners. A one-gallon pot should be good for a young plant. Transfer to a larger container size as needed.


Learn How To Grow Cannabis!


Beginners can feed their plantsnutrient solutionsfrom reputable brands based on the manufacturer’s feeding schedule. We recommend feeding the plant 25 percent of the recommended amount and increasing it as needed. Plant nutrients are available in grow and bloom versions for use during the vegetative and flowering stage.

Cannabis Plant Growth Stages

Growing weed indoors successfully requires understanding the plant’s different growth stages.

Here is what to expect during its life cycle.


Marijuana 101: Growing Weed Indoors for Beginners (2)

If starting from seeds, germination can be accomplished using thepaper towel method. Cannabis seeds can be placed between two plates and moist paper towels. Seeds begin to sprout within a few days in this environment.

Vegetative Stage

During the vegetative stage, cannabis plants focus their growth on their leaves and branches and need at least 18 hours of light and 6 hours of darkness. A timer can help you keep track of light cycles. Temperatures should be between 70 and 85º F. Plants should be watered when the top inch or two of the soil feels dry.

Flowering Stage

During the flowering stage, plants will develop flower buds and require 12 hours of light and 12 hours of darkness. Regularly prune the plant to ensure every bud site gets enough light to grow. During the final week or two, growers may flush the nutrients from their plants by only feeding them water.


The perfect time toharvest your plantsis when about 50 percent of the trichomes have turned an amber color. When it’s time to harvest, remove the branches from the main stem using sharp shears and prune the fan leaves.


Drying the cannabis budbranches usually occurs in a dark and cool area with temperatures between 60 and 70º F and relative humidity (RH) of 50%. Branches can be hung from a wire or string to dry. When the branch breaks off with an audible snap, the buds have dried properly.


Once your buds have dried, it’s time to place them in an airtight glass jar andcure cannabis budsfor a few weeks or months. Open the jar’s lid every day for about 10 minutes to release stale air and introduce fresh air into the jar. Curing times depend on your individual preference.

Preparing to Sell or Smoke Your Cannabis

Once your buds have been cured, they are ready to be sold or smoked. If you're planning to sell your buds, you'll want to make sure that they are properly packaged and labeled. You'll also want to test the potency and quality of your buds to ensure that they are of the highest quality.

There are over 300,000 jobs in the cannabis industry. CTU trained me for one of them!

Marijuana 101: Growing Weed Indoors for Beginners (3) - Johanna Rose
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Explore Program

If you're planning to smoke your buds, you'll want to grind them up and pack a bowl or roll a joint. When smoking cannabis, it's important to remember to start slow and only consume small amounts at a time, especially if you're a beginner.

Growing cannabis is a great way to produce high-quality buds that are free from chemicals and pesticides. Whether you're a beginner or an experienced grower, it's important to understand each step in the growing process and to choose the right strains for your grow. With the right approach and a little patience, you'll be well on your way to producing high-quality buds that you can be proud of.

Learn How to Grow Marijuana Plants at CTU

Growing marijuana indoors for the first time takes time, patience, and practice. Enrolling in Cannabis Training University’saccredited online expert trainingcan give you the skills and knowledge you need to start your own cannabis garden at home.

Learn everything about growing indoors, from germinating cannabis seeds to harvesting marijuana plants at the right time. Our curriculum provides you with HD videos, ebooks, quizzes, and more to help you grow your own weed from home.

Marijuana 101: Growing Weed Indoors for Beginners (2024)


What is needed to start growing weed indoors? ›

Growing indoors will require a basic setup: a container with soil and fertilizer, and a lamp for the grow tent. But not just any light will do. “You need a way to replace the sun,” Haynie said. “Your average fluorescent lightbulb is not the right color spectrum for cannabis.

How much weed do you get from 1 indoor plant? ›

The specific weight of yield is quite different between one plant from another. While on average, a single plant can produce approximately 907.2 grams (32 ounces) of wet weed, which translates to around 181.4 grams (6.4 ounces) of dried buds.

How many weed plants should a beginner grow? ›

If you grow a small number of plants to start with it will make your first cannabis grow far easier. With less plants to monitor and maintain, there is less to go wrong. For beginner cannabis growers, keeping the first grow simple is always recommended. Many start with a tent around 1m x 1m and 3 or 4 plants.

How long does it take to grow marijuana indoors from start to finish? ›

It can take anywhere from 4 to 8 months to grow a cannabis plant, this varies based on where you're growing. With an indoor grow room, you have total control over environmental conditions and your plants are able to flower after only a few weeks!

Is it hard to grow good weed at home? ›

Growing cannabis at home isn't rocket science. Since cannabis is a “weed,” it requires little attention—rule of thumb is to avoid overwatering and over-fertilizing—although some basic conditions must be met if you want to obtain a product of decent quality.

What is the best growing medium for indoor weed? ›

Coco is great for cannabis because it has fantastic water retention while remaining porous and light. Coco is virtually devoid of any plant nutrients, which means that a grower can dial-in the exact ratios of nutrients. Though it is a hydroponic medium, it has many of the same water retention properties as soil.

Do bigger pots mean bigger buds? ›

The Influence of Pot Size on Yield

Pot size will have an effect on the final yield. Put simply, a bigger pot means a bigger potential harvest. That said, don't buy the biggest pots you can find, as these come with significant challenges that, if not managed properly, can ruin the harvest entirely.

How much is $1000 in weed? ›

One pound of weed costs anywhere from $250 to $1,000 in most legal markets, but the price of a pound varies greatly depending on factors including the quality, state, and whether it was grown indoor or outdoors.

Can you have too many bud sites? ›

The first thing to know about pruning is that it is possible to have too many bud sites. Too many bud sites will mean that some buds cannot sit on top of the plant canopy, and thus do not get enough light and end up being smaller and less desirable.

What is the best weed for first time growers? ›

Best Strains for Beginner Growers
  • Blue Dream. Blue Dream is an easy cannabis strain that practically raises itself. ...
  • Durban Poison. For outdoor growers, Durban Poison flourishes in natural sunshine with little effort. ...
  • Easy Bud Auto. ...
  • GG4. ...
  • Green Crack. ...
  • Northern Lights. ...
  • Sour OG. ...
  • Wedding Cake.

Is growing good weed easy? ›

Growing your own weed can be an easy and rewarding experience if you know the basics. From choosing the right type of cannabis to ensuring the right environment and temperature, there are a few important steps to take before you get started.

How big should a 2 week old weed plant be? ›

FAQs About 2 Week Old Seedlings

At this age, your seedlings are a little fussy and it's important to have an idea what they need to get past this stage. After two weeks, your cannabis seedling is probably 2 to 3 inches tall and has a few sets of leaves, including the cotyledons we mentioned above.

What do buds look like when they start to form? ›

During week 2, the first white pistils will grow on the female cannabis plants. These fine, wispy white hairs develop at the locations where the big fan leaves meet the main stem. These white hairs are what later become the buds of the plant, called colas.

How hard is it to grow marijuana? ›

Marijuana isn't difficult to grow. After all, one of its most popular names is weed. But if you want to grow healthy plants that produce the best buds, a little extra care will pay you back many times over.

How long can you keep a marijuana plant alive? ›

As an annual flowering plant, the cannabis life cycle is limited to a single season. This is how it's always been and always will be—no matter how much we fumble with genetics. Essentially, cannabis grows when the days are long, and flowers when they're short. Once it reaches the end of its life cycle, it dies.

How long is the flowering stage indoors? ›

When you grow indoors, flowering will begin once you switch your lights to 10-12 hours of darkness. For most cannabis strains, the flowering period will last about 7-9 weeks, although some sativas require even longer for their buds to mature.

What are the first signs of flowering in indoors? ›

The First Signs of Flowering are Subtle changes in the nodes

About as 8 to 12 days into the 12/12 light cycle, you will see early-stage flower set in on the nodes — the parts of the plant that form the basis of all new growth. From these nodes, all new branches, stems, leaves, and flowers are formed and grow outward.

How long after switching to 12 12 will I see buds? ›

So in summary, you will not see buds for the first three weeks. During the third week, pre-flower sites will emerge, but will not fill in until Week 4. You will notice distinct development in Week 5 that will only increase as the plants progress through the remainder of flower.

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