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best indoor marijuana seeds

Best cannabis seeds for indoor growing

Growing weed indoors is becoming increasingly popular which is not surprising as it offers many advantages. You can grow all year round under constant ideal conditions so there is a good chance that you will end up with a cannabis plant with a good yield. But not all varieties are suitable for indoor growing. And because there are so many different types of cannabis seeds, it’s often difficult to find them. Of course you also want to grow cannabis that meets your preferences. Think of taste, yield, effects and flowering time.

With this article we are going to help you make your personal choice by putting together a top 5 best cannabis seeds for indoor. By the way, do you want to know how to grow weed indoors? Make use of our step-by-step plan ‘Growing weed indoors‘.

Top 5 best indoor cannabis seeds

Based on our experiences and customer reactions, we have drawn up a top 5 of indoor cannabis seeds. We have taken into account ease of cultivation and weed quality.

Critical feminized seeds

Our Critical feminized seeds are probably one of the best cannabis seeds to grow indoors. And not without reason. Critical is very suitable for extremely small spaces as they do not grow larger than 80 cm. The strain is easy to grow, features a very short flowering time and yields are quite big. When pruned at the bottom, the buds grow at the top. In this way it is possible to place up to 16 plants per m2 which can result in a yield of up to 500 grams per m2.

AK 47 autoflower

The AK-47 autoflower is one of our favourite classic strains and one of the best indoor cannabis seeds. The AK 47 autoflower is second in this top 5, but actually deserves a shared first place. Thanks to its genetics (Thai Skunk, Mexican Sativa and Afghan) the AK 47 autoflower is known for its extremely high fungal resistance and high yield. Yield can be as big as 675 grams per m2(!). The genetics are very stable and easy to grow indoors. A failed harvest is therefore almost impossible.

Amnesia Haze feminized seeds

Amnesia Haze is another classic strain and couldn’t be missing in our top 5 best indoor cannabis strains. The strain is worldwide known because of its very high THC level. Thanks to its properties Amnesia Haze is very suitable for indoor cultivation. The only “drawback” we can think of is the relatively long flowering time of 10 to 12 weeks. However, every disadvantage has its advantage. Due to the long flowering period the weed is extremely strong, the yields can reach 650 grams per m2 and both the taste and the smell are sublime. Keep this in mind, because if you’re sensitive to psychosis, it’s better to skip these weed seeds and opt for milder ones.

Northern Lights feminized seeds

Many experienced growers will not be surprised that we have included Northern Lights in this top 5. Northern Lights cannabis seeds are easy to grow. The yields from this plant can reach as much as 550 grams per m2 in a very short flowering period of just 7 to 8 weeks! That’s what we call super seeds. Moreover, the taste is appreciated by almost every cannabis lover. Haven’t tried Northern Lights yet? Then we advise you to do so!

Power Plant feminized seeds

Last, but not least… Power Plant feminized seeds. You probably won’t find the Power Plant seeds in a Top 5 ‘indoor cannabis seeds’, but from our own experience we can honestly say that this is one of the best indoor cannabis plants. This marijuana seed has all the characteristics that an indoor grower wants. It features a relatively short flowering time of 8 to 9 weeks, an extremely high mould resistance, easy to grow, a short plant height (max. 90cm) and a yield of up to 550 grams per m2. Doesn’t this plant have any disadvantages? Hardly, it requires some knowledge of scrogging to control the plant height. But once you know how to do this, it is very simple. In short: what more do you want?

Take a look at our complete range of the best indoor cannabis seeds

These 5 indoor weed seeds are just a selection of our total range of indoor seeds. Our range varies from seeds for both beginners and advanced weed growers. In our overview of the best indoor cannabis seeds you can easily filter according to your preferences. This way you are guaranteed to find the weed seeds you want!

What are the best cannabis seeds for indoor? Check our top 5! Buy via Weedseedsexpress and get: 20% FREE seeds + FREE shippng + topnotch customer care!

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How is your environment like? Well, in this category of indoor cannabis seeds, you will find an assortment of seeds that can grow in artificial grow environments, those which can get described as semi-permanent, and even grow rooms explicitly meant for cultivating pot indoors. Put simply; nothing should deter you from growing ganja, provided you have the necessary measures in place to control wind, humidity, or light to let your vegetation develop an ultimate growth.

There are plenty of reasons seasoned cannabis farmers may choose to farm cannabis indoors, under a controlled environment. Besides the obvious fact that it allows for effective breeding and cultivation, it separates the crop from contaminants, rogue infestations and undesirable alteration of the specific gene pool.

Indoor farming allows the farmer to maximize time, space and resources to achieve the best yield and maintain strain integrity. But not all seed strains are fit for indoor farming.

At Amsterdam Marijuana Seeds, our grower-oriented approach to cannabis cultivation has been the guiding principle behind the high quality genetics of our seed groups. We apply proven technology to our seed genetics engineering that guarantees a 100% success rate in the production of indoor weeds seeds for sale in the USA – that are suitable to grow indoors and in other controlled environments.

Thinking of getting started with indoor weed farming, we have compiled this guide to help you navigate through the process of finding the right indoor weed seeds and getting started on the process of planting cannabis indoors.

Hope you’d find it useful.

What Are Indoor Weed Seeds?

As you should know, before all the magic happened, and the various strains and cross mixes appeared, cannabis was relatively a plant of the wild. The plant grew in whatever climate it deemed fit. Whether it was the ultra cold Ural Mountains or the lush vegetation of equatorial Africa, marijuana survived, but although as various strains that were environment dependent.

But with advancement in farming methods and the domestication of the weed plant, climate dependent weed strains can now be planted in a controlled environment indoors where the same weather conditions in its native environment is replicated, but this time with better control on the elements, nutrients and spacing to achieve an abundant yield and a sturdy plant.

While any type of marijuana seed can be planted indoors, there are some specific strains that would only do so well when cultivated under watchful eyes indoors and in a controlled environment. Photoperiod strains fall under this category.

Photoperiod Marijuana Strains

Basically, marijuana seeds are either photoperiod strains or not. Photoperiod strains are those whose growth pattern is dependent on light cycles. They are very sensitive to light and a distortion in the light cycle can hamper their flowering and production.

A simple distortion in the light cycle of a photoperiod strain during their dip time can result in the loss of the yield. The situation is dire as light pollution such as those from street lights or other sources, even if just for a short time, can potentially cause the plant to revert to its vegetative phase, display hermaphroditic tendencies, produce inferior yields, or fail to flower altogether.

Why Indoor Weed Seeds?

Indoor weed seeds are far from regular seeds . They are more stabilized and are able to produce a higher yield than most if proper taken of. Most indoor seeds are feminized ; as such you do not run the risk of producing male species that are useless to a harvest.

For commercial and recreational growers, indoor seeds offer the best value for money per growth square foot of space.

Whom should buy Indoor Marijuana Seeds?

Indoor seeds are best suited to recreational farmers with only a few pot plants in their homes or commercial farmers with the right financing to afford the rigs required to set up a temperature and lighting controlled greenhouse.

Because of the need for artificial lighting, farming indoor seeds can be a little expensive as you are likely to quickly ramp up electricity bills running into thousands of dollars monthly.

So, before deciding on planting indoor seeds, it is only wise that you consider the ancillary cost associated with the venture to determine if it is right for you.

When to Start Indoor Cannabis Seeds

Growing cannabis is an organic process without strict sets of rules. It is not a linear system to learn, but an art to be mastered. To start indoor seeds, there are three specific needs that must be met – Water, correct temperature (warmth) and a good location.

Each viable seed contains all the information needed to grow the strain of plant you have chosen, all they need are the right conditions and the life cycle will begin. There are a number of equally effective methods for how to grow indoor seeds, over time you will find the one that works best for you.

STRAIGHT INTO THE MEDIUM : Place seeds directly into your medium, this way you can avoid any transplant shock. More often, it is easier to germinate in a small pot of your chosen medium then pot on to the garden or bigger pots.

PAPER TOWEL : Seeds are placed on a moistened paper towel on a plate and placed in a warm dark place. Usually covered with plastic or an upturned plate to retain moisture and humidity. After a few days to a week, your seeds have sprouted.

JIFFIES, PLUGS AND ROCK WOOL STARTERS : Easy to maintain as you can have fifty seeds germinating in a very small space. Once the seedlings are established they can be put in their final position without damaging roots.

IN WATER : Simply soak seeds in enzyme enriched water until you see the tap root appear, and then put in your medium. The seedling will quickly strike and break the surface about a week later.

GERMINATION STATIONS : Offering substantial control over the germinating environment germination stations provide humidity, temperature control and can accelerate germination times.

When your plants have broken the surface and the cotyledons have shed the seed husk and opened to reveal the first set of true leaves photosynthesis has begun. Now you have a true marijuana seedling on its way to becoming a heavy resinous indoor miniature or booming outdoor tree.

Set lights to an eighteen hour day, six hour night light regimen. This doesn’t have to coordinate with the actual daylight hours; you can set it to times of day that suit you. Running electrical equipment during off-peak periods can save you a lot of money. For more information on growing, check out our grow guide .

How to Grow Indoor Seeds

Once your seeds have broken the surface, the vegetative stage has started. Growing seeds indoors would require a couple of fixes and we have outlined them under some headings below:

Lighting (LED, High-Pressure Sodium, MH or CFL): whether you are taking up grow spaces in a disused cupboard in your home or running a full fledged operation in your basement, lighting is the most important factor for growing indoor weed seeds.

There is basically lighting for every budget. You can have a rudimentary yet very efficient CFL (Compact Fluorescent Light) or small LED panel (Light Emitting Diode) setup for just a few hundred dollars. Or if growing commercial, HPS (High-Pressure Sodium) and MH (Metal Halide) lamps would give you world class flowers at the end of the grow cycle

However, watch out for the heat generated by these lamps. Ensure that your space isn’t getting too hot for healthy cannabis growth.

Soil : There are plenty of options in this category. You can choose from actual planting in specifically cultured soil in pot plants or utilize neutral mediums such as rock wool with the roots of the plant immersed in the nutrient infused medium.

Humidity : Large indoor establishments have temperature and humidity controls to manage the grow environment, but if you are on a tight budget, you can apply basic instincts. Always ensure the soil or medium is wet but not soggy. Introduce a fan to circulate air and moisture, and an extractor fan to remove excess heat.

Temperature : Proper temperature is maintained by using fans to remove heat and circulate the breeze. Lots of fan-forced breezes keep temperatures under control and strengthen your young plants. Exotic disciplines can be used like adding carbon dioxide to the environment. Low-stress training and scrogging can be used to increase the growth rate and flower potential of indoor cannabis.

Autoflowering Indoor Seeds or Feminized Indoor Seeds?

You can find indoor seeds in the autoflowering and feminized strains. Although most feminized strains are better suited to indoor grows, autoflowering strains can also produce a good yield with even less hassles when planted indoors.

Some autoflowering strains that would make great indoor grows include:

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