How to grow weed

How To Grow Cannabis

Although growing cannabis isn’t really difficult, one doesn’t become an expert cannabis cultivator overnight. If you’re new to growing, you’ll likely have all kinds of questions. Likewise, if you’ve been growing cannabis for some time and would like to take your skills to the next level, learning about advanced growing methods will come in handy.

Our Cannabis Grow Guide is intended as a helpful go-to resource for both beginners and seasoned cannabis cultivators. Those new to it can learn how to get their grow-op started in the best way possible, while expert growers can find tips and tricks to make the most of their setup. We have you covered with everything from basic info on marijuana to step-by-step manuals for indoor growing and outdoor growing, as well as plant care, advanced techniques, and much more. 

Why Grow Your Own Cannabis?

Why Grow Your Own Cannabis?

Cannabis isn’t much of a controversial topic any longer. Thanks to relaxing laws and cannabis being much more accepted in the mainstream, seed banks and grow stores can now be found in various pockets of the world, as well as online. Hobby gardeners have easy access to a plethora of cannabis seeds, and all the tools needed to raise them into robust, bud-bearing plants.

Aside from increased access and less punitive laws, there are various other reasons to grown your own cannabis plants.

You Save Money

You can save good money on weed by growing it yourself! Yes, it takes more work than buying it from the dude down the street; and yes, there are some overhead costs needed to set up your operation, but you will quickly recover the initial costs with a mountain of top-tier bud. Whether you’re a typical “recreational” smoker or a holistic user, a few small plants is all you need to achieve a sizable stash that will last for months.

You Know Exactly What You’re Getting

At home, you can grow strains with the flavour and effects you like the most. This is a whole different story than purchasing off the street. Even when buying from a dispensary or coffeeshop, you won’t necessarily know what was used to grow a given strain (chemicals, pesticides, etc.) or how the bud was handled. No such worries with your own grow.

You are in control during the entire process, from planting your seeds to curing and storing the fruits of your labour. Fancy growing organically, or would you rather shoot for the biggest yields possible? By growing cannabis at home, you have the power to decide!

It’s Easy

Weed is called “weed” for a reason. That is, it isn’t exactly a difficult plant to grow. In fact, some varieties are particularly easy and low-maintenance, making them excellent for those who want to start growing, but feel intimidated by the process. If you do a little research beforehand, you can find out which strains are best suited for your experience, climate, budget, etc. Don’t worry; there is a strain for everyone!

It’s Fun!

Mind Buddha’s wisdom, “The path is the goal”. Or, said differently, growing weed by itself is a fun and interesting pastime. You will gain a lot of knowledge, from the particulars of each strain to making your own nutrient and soil mixes. Heck, you can even learn how to breed your own strains if you want. And this is just the tip of the iceberg. Growing marijuana is an exciting, rewarding, relaxing, even meditative hobby!

General Cannabis Information

General Cannabis Information

Although you could just plant some seeds and not care too much about the science of the cannabis life cycle, knowing some pertinent information can seriously boost the quality and quantity of your harvests, as well as plant health in general. In this section, you will learn general information about cannabis genetics, variations between indica, sativa, and hybrid strains, and the different types of seeds (feminized, autoflowering, regular). We also go over the science of the cannabis plant, and give you a short overview on the turbulent history of cannabis.


Indica, sativa, hybrid…? Learn about the main types of strains and their differences. Find out about classic cannabis lineages and how it all comes together in the great cannabis strains we have today. Last, but definitely not least, you will get insight about hybridisation and autoflowers.

Plant Science

There is a lot at play in how marijuana plants produce the substances that get you high, chill you out, and seduce you with wonderful aromas and flavours. By growing your own plants, you won’t just gain insight on the process, but will be able to swing the results in your favour. In this section, you’ll get all the info on cannabinoids, terpenes, flavonoids, and more. Learn how weed “works”.

Types of Cannabis Seeds

Feminized seeds, regular seeds, and autoflowering seeds are the three major types you can grow. It is important to know the differences between them, as each type has unique requirements. In this category, you will learn which type of cannabis seed is best for your setup.

History of Cannabis

Ever since man stepped out of the caves and discovered agriculture, the cannabis plant has been one of the most important plants for mankind. Get insight into the fascinating history of cannabis in ancient China, Greece, Egypt, and India, all the way through to today. Not that long ago, cannabis was demonised in the Western world, and is only now seeing a real renaissance as a recreational and holistic substance.

General Cannabis Information

Growing Basics

Growing Basics

Cannabis is one tough plant, renowned for its ability to thrive even in the worst conditions, where other plants have already given up. It does, however, require some basic care when you want to grow heaps of a great product.

If one goes into a grow entirely unprepared, not knowing about the essentials of watering and nutrients, things can go south… quickly. So don’t let that happen. In this category, you will learn about the important growing basics. We cover the growing stages of weed, and offer information on watering, container sizes, and the best growing media.

The Grow

The growing stages of cannabis include germination, the seedling phase, vegging, and flowering. What’s important to know here is that the plant has different requirements during each of these growing stages. Get started with the knowledge of how your cannabis plants will progress through the grow cycle.

Growing Medium

Growing your weed in a pot with soil is just one way to go about it. There are many more ways to grow, from cultivating in coco to running fully fledged hydroponic setups. Find out about the different growing media you can use to bring your cannabis plants to harvest, and their pros and cons.

Container Size

Choosing the right size of container for your weed plays an important role in healthy growth. With a pot that’s too small, your cannabis plants can’t thrive. If the pot is too big, this can also lead to growing troubles. See this category and find out about the pros and cons of the various pot types.


It may sound simple and straightforward: Cannabis needs water (along with nutrients, oxygen, light, and loving care) to grow. Check. But, the devil is in the details. Did you know that many growing problems are due to improper watering? Get it right, and the odds of issues dramatically decrease! Learn all about how to water your cannabis plants, and how to detect and prevent symptoms of overwatering and underwatering. Also, become acquainted with pH level and why it is important when growing cannabis.

Autoflowering Techniques

Autoflowering strains are easy to grow and maintain, and can be cultivated both indoors and outdoors with great success. Because they differ quite a bit from feminized strains in terms of growing characteristics, they also require different care. In this category, we delve into hints, tips, and techniques to help your autoflowering plants flourish, whether grown indoors or outdoors.

Growing Basicis

Indoor Cannabis Growing

Indoor Cannabis Growing

Compared to growing out “in the wild”, indoor cannabis cultivation provides a large advantage: You have almost full control over the environment of your plant. Learn all about the important factors for your indoor grow space so you can create an ideal environment for growing world-class marijuana indoors.

Grow Room Variables

The indoor grower needs to keep an eye on several variables to ensure plants can grow healthy with optimal results. If something is seriously off with just one or two of these, your yields may suffer or your plants may even get sick. The important variables to consider when growing indoors include hours of light, humidity, CO₂, plants per m², ventilation, temperature, and electricity.

How to Grow Cannabis Indoors

Get advice for a great start on your indoor grow. How do you choose the right strains? Would seeds or clones be better for your grow tent? How can you ensure that the important growing variables (temps, light, humidity, airflow, etc.) are in check? We’ll answer these questions and more!

Indoor Cannabis Growing

Outdoor Cannabis Growing

Outdoor Cannabis Growing

If you are able to grow cannabis outdoors, consider yourself lucky, as this can be a very rewarding adventure. Yet, it’s not as simple as putting a seed somewhere and then coming back to fill your bags months later. Some planning is needed. Maybe you have the space to grow a gigantic outdoor cannabis tree that can yield you bud for an entire year. Or, perhaps you need a small and unassuming plant for a stealthy guerrilla grow instead. Maybe you’re looking for a strain for your balcony, or maybe you have a greenhouse in your backyard. You see, there is a whole lot to consider in this category.

Site Selection

Growing in your garden or on your balcony or terrace? What about that promising spot you came across yesterday on your jog through the woods? Unlike growing indoors where you have a lot of control, this isn’t really the case when growing outdoors. Site selection is one of the key steps to setting your cannabis plants up for success.

How to Grow Cannabis Outdoors

In this category, we go over all the required steps for a successful outdoor cannabis grow. We’ll give tips on choosing the best strains, how to germinate your seeds, and how to find a good spot. Find out how to prepare your soil, and what you need to know about transplanting your weed from the indoors to the outdoors. Last but not least, we’ll cover how to take care of your outdoor plants and protect them against pests and diseases.

Outdoor Cannabis Grow Calendar

We at Zamnesia want to make sure you get your timing and strain selection spot-on so you can produce luscious crops every season. Whether you live in northern or southern Europe, our outdoor marijuana grow calendar will help you germinate at the right time for vigorous growth and big yields. Super-helpful for the outdoor grower!

Outdoor Cannabis Growing

Plant Care

Plant Care

Although cannabis is a rather uncomplicated plant, achieving happy and healthy plants that will reward you with tons of great bud requires some attention. Among the essential care duties are providing nutrients and water at the right pH level, keeping an eye out for pests and diseases, and knowing about natural ways you can remedy them.


Cannabis requires nutrients as it grows. It can be a very hungry plant, and knowing how to feed it properly is often the key to maximising its performance. Get the scoop on macro- and micronutrients, and what role they play in the growth of your cannabis. Learn about the different nutrient requirements during each stage of the growing cycle.

Natural Plant Care

Your cannabis has the ability to fend off insects and other critters with the aromatic compounds produced in the buds. At times, however, your plant may need additional help in that pursuit. Good thing the grower can help without an armada of chemicals and other harmful substances. There is a lot you can do in terms of natural plant care, from using beneficial insects such as ladybugs to natural insecticides like neem oil.

Pesky Bugs and Insects

The list of critters who love cannabis at least as much as you do is long. Spider mites, fungus gnats, thrips, and whiteflies are just some of the weed-devouring pests you need to keep an eye out for. But no need to panic if unwanted guests have made your precious plants their home. We’ve got simple, practical advice on how you can spot, get rid of, and prevent them.

Cannabis Diseases

Mary Jane may be as hardy as it can get, but no plant is indestructible. Something can always happen, even when growing in a controlled environment indoors. And let’s not even talk about the outdoors, where less than optimal environmental conditions can always bring on issues. For instance, it wouldn’t be the first time that mould has spoiled an entire harvest. And this is just one of the many pathogens that could affect your cannabis. Learn about the signs and symptoms of common cannabis diseases so you can accurately diagnose and apply treatment.

Best pH and EC Value

pH and EC values are critical in cannabis cultivation. pH signifies how acidic or basic your soil, water, or nutrient solution is, while EC is a measure of nutrient concentration. It’s important to maintain these values at their optimal levels. If anything is off, growing troubles will certainly arise. In this section of our grow guide, you’ll learn about the best pH and EC values for your cannabis. Find out how you can measure, adjust, and maintain them for optimal plant health!

Plant Care

Advanced Techniques

Advanced Techniques

Experienced cultivators often choose to use plant training techniques to make the most of their available space and their strains’ potential. And indeed, there is a lot one can do to take the performance of their grow space up a notch or two. Plant training techniques such as pruning, Lollipopping, super-cropping, LST (low stress training), or growing in a sea of green (SOG) can do wonders for yields if space is limited.

Replacing your soil-filled pots with an advanced hydroponic setup can inspire a whole new level of growing fun. Maybe you want to get your feet wet with growing clones? And did you know that you can water-cure your buds or regenerate flowering weed plants to go for another season? We cover all this and more in this category.


Sea of green (SOG) and screen of green (ScrOG) are two grow techniques that are well-suited used to maximising available space. A SOG uses the philosophy of growing many small plants per cubic metre for top yields. A ScrOG is similar, but uses just one or two big plants to fill an entire space.

Other Yield-Boosting Techniques

Trimming, fimming, and topping belong to a group of high-stress plant training techniques where the goal is to encourage more branching for higher yields. If the idea of cutting and pinching your plants scares you a little, there is also low-stress training to consider, aka LST. This technique doesn’t necessarily involve cutting, but rewards with bigger yields by shaping the plant and exposing it to more light. Lollipopping and supercropping are types of training used to enhance growth and increase cola size. Learn about these advanced yield-boosting techniques in this category.


Using clones instead of growing from seed can have some advantages. For starters, some strains may only be available as clones. Moreover, using clones guarantees females every time. If you’re planning a guerrilla grow where you can’t visit often, consider using clones rather than seeds to avoid males and dwarfs. Our info on mothers and cloning will have you rolling in buds in no time.

Regenerating Cannabis

Regenerating cannabis plants is a technique for the advanced grower. In essence, it means to breathe new life into a plant that’s already near the end of its life. In this section, we'll walk you through how regeneration works, its pros and cons, and the differences between regenerating indoor, outdoor, and autoflowering plants.

Water Curing

Water curing is an alternative curing method that is touted to make cannabis a lot smoother and more pleasant. Unlike regular curing, water curing makes use of the same principle as flushing. Water is used to “flush out” impurities from your bud, which can result in a better-tasting product.

Advanced Techniques

Common Problems in the Cannabis Garden

When growing marijuana, one wants to have everything under control as much as possible. Only then can reasonable expectations about the quality of your bud and your yields be made. But even with the best planning and fanciest tech, Mother Nature is always fickle and can disrupt activities in your garden, despite your best intentions.

In this category, you will learn how to avoid most of the common pitfalls associated with cultivation. From nutrient problems and overwatering/underwatering to pH-related problems, pest infestations, and more, you will be armed with the knowledge to recognise what’s wrong with your plants. You can then provide quick and effective care to get them back on track.