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Indoor cannabis seeds

Looking to grow your own weed indoors? That’s perfect! There are a lot of weed seeds available for indoor growing, and we have some of the best, if not the best! You can find them on this page. Below our product slider, you will find additional info on indoor weed seeds. Such as: what are the best seeds for an indoor grow? Which feminized seeds are perfect for indoor growing? Read on to find out!

The Blues Feminized Combo
Save(US) $ 58

The Blues Feminized Combo

  • THC level: 15 - 20%
  • Yield: High Yield
  • Effect: Creative,Energetic

(US) $ 139 197

Supreme Feminized Combo Pack XL
Save(US) $ 128

Supreme Feminized Combo XL

  • THC level: 21 - 23%
  • Yield: High Yield
  • Effect: Euphoric,Happy
1 Review(s)

(US) $ 229 357

Supreme Feminized Combo Pack
Save(US) $ 68

Supreme Feminized Combo

  • THC level: 21 - 23%
  • Yield: High Yield
  • Effect: Euphoric,Happy

(US) $ 169 237

Supernova Feminized Seeds

Supernova Feminized Seeds

  • THC level: 23% and up
  • Yield: Average Yield
  • Effect: Body-Stoned,Relaxed
4 Review(s)

(US) $ 69

SUPER NOVA Cannabis Seeds

Supernova Chronic Regular Seeds

  • THC level: 23% and up
  • Yield: Average Yield
  • Effect: Body-Stoned,Pain Relief
2 Review(s)

(US) $ 59

Super Skunk Regular Seeds

Super Skunk Regular Seeds

  • THC level: 5 - 15%
  • Yield: High Yield
  • Effect: Body-Stoned,Uplifting
2 Review(s)

(US) $ 49

Super Skunk Feminized Seeds

Super Skunk Feminized Seeds

  • THC level: 15 - 20%
  • Yield: High Yield
  • Effect: Body-Stoned,Uplifting
7 Review(s)

(US) $ 69

SUPER SKUNK Autoflowering Marijuana Seeds

Super Skunk Autoflowering Seeds

  • THC level: 5 - 15%
  • Yield: Average Yield
  • Effect: Calming,Relaxed
4 Review(s)

(US) $ 69

Super Silver Haze Regular Seeds

Super Silver Haze Regular Seeds

  • THC level: 23% and up
  • Yield: High Yield
  • Effect: Creative,Happy
1 Review(s)

(US) $ 59

Super Silver Haze Feminized Seeds

Super Silver Haze Feminized Seeds

  • THC level: 21 - 23%
  • Yield: High Yield
  • Effect: Creative,Happy
3 Review(s)

(US) $ 69

STRAWBERRY ICE Feminized Cannabis Seeds

Strawberry Ice ® Feminized Seeds

  • THC level: 23% and up
  • Yield: Extreme Yield
  • Effect: Creative
12 Review(s)

(US) $ 69

Stardust Feminized Seeds

Stardust Feminized Seeds

  • THC level: 15 - 20%
  • Yield: High Yield
  • Effect: Energetic,Euphoric
1 Review(s)

(US) $ 69

What are Indoor marijuana seeds?

Indoor marijuana seeds are cannabis seeds that specifically do well when cultivated under watchful eyes indoors and in a controlled environment. Photoperiod strains fall under this category.

What are photoperiod cannabis strains

Photoperiod strains are those whose growth pattern is dependent on light cycles. They are susceptible to light, and distortion in the light cycle can mess with their flowering.


photoperiod weed


4 Popular auto-flowering seeds for growing indoors;

4 Best feminized indoor cannabis seeds

P.s. Certainly, do not use regular cannabis seeds if you are a novice grower. The risk is too big.

Autoflowering or feminized indoor seeds?

This depends on your plan; how much time do you want to invest in growing cannabis? Most feminized seeds are better suited for indoor growth, but autoflowering cannabis seeds can produce a good yield with even less hassle when planted indoors.


The 5 benefits of indoor growing

The growing of cannabis seeds indoors, in a controlled environment, has many benefits.

  1. It allows for effective breeding and cultivation. Indoor growers can build the perfect environment for plants to grow.
  2. Control the environment, temperature, humidity, and light. Try that outside!
  3. It's discrete, something we all value.
  4. It separates the crop from contaminants and rogue infestations.
  5. Most importantly, it allows for the curing process of harvested cannabis to be carried out in a controlled and effective manner.

There are a couple more, but these might not apply to everyone. A lot of smokers consider indoor weed to be better than outdoor. Fairly certain this is the case in The Netherlands with our weather. Another is the financials if you are a frequent smoker and purchase weed regularly. The investment and monthly costs for indoor growing can be cheaper. Certainly in the long run.


man bringing money to dispensary


1. Effective breeding and cultivation

We always advise novice growers to have a plan (and a plant ;) ) before their indoor cultivation gets started.

What Is your goal?

For example, to maximize yield or reduce the harvest turnover time, any of these have different requirements for your indoor garden. To have maximum yield, your plant needs room to grow, so how much space you have determines the number of plants you can grow. Do you have a sufficient height (the average height of plants varies greatly per strain) for the flowering plants? Subtract the light fixtures with their brackets, as you don't want the lights to come too close and burn your gorgeous resinous buds to a crisp.

Another variable you have to take into the calculation. If you want to grow multiple harvests all year round, you must accept the things you can not change, like the flowering stage. Well, you can get a bit as you can read in our blog "When is it time to harvest?" but we do not recommend that as it takes a toll on the quality. Thus, we accept that there is an average flowering time of 6 to 10 weeks. In the germination phase, you can try to win time in the first cycle. If you build a seedling care unit to germinate your next batch of AMS weed seeds simultaneously while your full-grown female plants reach harvesting time, you can work in shifts. Optimizing your growing process!

We even know of a "Grower Supreme" who can grow cannabis double time and save on costs. He has built two spaces with opposite timing and a circulatory system. so the heat of the one keeps the other warm at night and vice versa. This is "Wizard Level" growing and gives a new meaning to multiple harvests. This high-end indoor grow space we are going to call our inner Sanctum Cannatorum.

sanctum cannatorum


2. Indoors you can control the environment, temperature, humidity, and light.

Growing indoor marijuana seeds is all about control. The grower can manipulate time, space, and resources to create the perfect environment for their plants. In this space, you are omnipotent but tread carefully when growing cannabis indoors. You are in charge of the nature surrounding your plant, so take good care of it.

The flowering time is especially delicate. Light leaks, even the slightest, will upset the growth. Indica strains are considered better suited indoors, while Sativas are better suited to be grown outdoors. This is because Indicas are shorter and have a higher leaf-to-flower ratio, which makes them better able to withstand the intense light and humidity of an indoor grow room. Indicas also produce a higher yield than Sativas, making them more attractive as an indoor strain. Although, here, there are exceptions to the rule. Some Sativa strains can be successfully grown indoors with the right care and attention, but we would not recommend starting with this for novice growers. If you're looking to try your hand at growing indoors, be sure to choose a strain that will thrive in the conditions of your growing room. Check out our cannabis seeds for sale.


3. It's discrete

No matter where you live, how old you are, what you do in your own home is your business and yours alone. You can't say that if you have a couple of baby trees growing in the garden that smells around the block ;)


nosy neighbour


4. It separates the crop from contaminants and rogue infestations.

Indoor growing is often thought of as the best way to keep your plants clean, away from critters and crawlers. When you grow marijuana seeds in a clean area or grow room, you have already evaded a lot of possible contamination. It's now up to you to keep it that way. You have effectively created your cannabis garden in which you can monitor and regulate all aspects of the growth cycle. You will get the best results if you treat your garden with love and respect, make sure your shoes are clean, and don't wear the shirt you wore while trimming the hedges. It's simple, but it is also forgotten.


5. Most important, effective curing!

We consider the curing process an art form; it's the last step before you can enjoy the fruits of your labor and reap the reward of your growing process. Doing this right makes all the difference; it influences the taste and smell and the potency of the THC levels.

To get anything, then the best is not what you have worked so hard for. You were patient when the seeds germinated; you cared for them as a seedling, supported them in the vegetative state, helped them flourish in the flowering phase, carefully harvested them, and trimmed them to gorgeous buds.

Now be patient just a little bit longer and let them cure to perfection. You started with cannabis seeds, and this is the last step before you can light them up! Let nature take its time, and you will be able to enjoy the best indoor weed, homegrown!

marijuana under grow light

How to optimize your indoor cannabis grow space

  • Consider the height of your grow space. Taller plants will need more vertical space, so if you're limited on floor space, it's better to go for taller shelves or racks.
  • Make sure you have good ventilation; well-ventilated grow spaces help to prevent mold and mildew and provide the plants with their beloved CO2, which they need for photosynthesis.
  • Good lighting is also essential for photosynthesis and helps to prevent stretching.
  • Finally, think about temperature and humidity control. Both of these factors can have a big impact on plant growth.

These points should be the basic outlines of your design process and will help you create the optimal growing space.


Ways to get better yields with indoor cannabis seeds

Anyone who's grown cannabis knows that the best yields come from healthy plants. The best way to get those healthy plants is from high-quality indoor marijuana seeds. Please keep them in a clean space and away from possible threads. This first step is an important part of the growth because any flaws that appear will only grow with the plant. So more free tips:

  • Start with high-quality marijuana seeds. This is repetitive, we know, but we can not state this enough. Not all seeds are created equally; starting with the best seeds indoors will increase your chances of success.
  • Give them plenty of light. Cannabis plants need a lot of light to grow, so make sure your lights cover the plants fully in your calculation and spacing. Use a good reflection foil on all surrounding walls, just like in the tents. This way, you get more bounce to the ounce.
  • Regulate room temperature and humidity. Lightbulbs can provide a lot of warmth, so during the "daytime", you will need to do more cooling, but at night you might need to heat the room more. This is a delicate balance and should be monitored closely.
  • Water them regularly. Cannabis plants need to be watered regularly, but be careful not to overdo it. Allow the top inch of soil to dry out before watering again.

By following these simple tips, you'll be on your way to better yields

cannabis and lighting

Frequently asked questions

Yes, they are, but there can be challenges with the outcome of your harvest if proper care and light expectations are not met. This is because indoor seeds are photoperiodic seeds, even a little light emitting from your phone during their night time can cause catastrophic results in your harvest. Best to avoid these challenges and use outdoor seeds for outside and your indoor marijuana seeds to
First, find the right place where they sell cannabis seeds. Make sure they offer good quality. Find the flavor you like, the yield you desire. Then see if you like its characteristics and if the plant size fits your Inner Sanctum Cannatorum, and you can start growing marijuana indoors within a couple of weeks.
Yes! Indoor cannabis seeds can be either Sativa, Indica, or hybrid seeds. Mild or a potent strain, like you, can find for regular cannabis seeds. The only difference is they are cultivated specifically as indoor strains.
Yes, you can! You can buy indoor marijuana seeds from us, AMS, your favorite seed bank and supplier of the best indoor cannabis seeds on the market; Amsterdam Marijuana Seeds. We are a reputable seed bank with more than 25 years of experience in the cannabis community. We have a wide array of cannabis seeds for sale. Fruity, mellow, or with high THC Levels. You name it; we got it! Our shipping services is just as discreet as your Sanctum Cannatorum and will be delivered right to your doorstep.
You can buy 100% Indica seeds from select online seed shops. Taking pride in being one of the best online seed banks, Amsterdam Marijuana Seeds has an ample selection of Indica seeds where you can buy 100 seeds of your preferred strains and even more.