Buy the best indoor cannabis seeds to grow in a tent, grow box, or your windowsill. Free USA shipping ✅ Discreet Packaging ✅ Pure genetics ✅ Cultivation of cannabis with indoor seeds gives a grower control over the crop. You can micromanage every step of the plant's life cycle.
Head-focused, creative, and physically energizing. Feel more alive than ever with this strain.
AK-47 delivers an energetic and uplifted cerebral-buzz that also can bring on alertness, creative and social enhancements and a general feeling of euphoria.
It’s energizing high is more likely to leave you wired than sleepy, so smoking shortly before bedtime is not recommended.
Hailing from the Hindu Kush mountain ranges near Afghanistan, this ancient strain has always been known for its deeply relaxing and sedating effects and aromatic, resinous buds.
Patchwork genetics produce a stimulating Sativa capable of skyrocketing thoughts and actions into the most spectacular of realms!
A high-yielding, fierce and fast flowering Sativa with spicy floral notes.
This easy to grow autoflowering strain yields 350 – 400g indoors and is extremely potent.
Amnesia like the name promises with get you lifted and forgetting all your woes. Award winning strain that can have strong cerebral effects – uplifting and mellow.
A strain as tasty and invigorating as a purple lemon!
Retaining the Diesel taste from its OG lineage along with the famous flavor of its Cheese parent. The strain for those wanting an uplifting and energetic high.
A bubblegum you can smoke and reach the high heavens with.
I like big buds, and I cannot lie. This baby got bud!
Fragrant and mouthwatering. Tease your palate with a burst of bubblegum.
Buy this strain for a potent, resinous plant that has an amazing fruity taste. You can enjoy 10 weeks from seed to harvest from this auto feminized strain.
This is a great strain to try if looking for an easy grow. This Indica is sure to cause long lasting relaxation with a mellow effect.
Auto Blue Fruit is a moderate THC Indica dominant hybrid with a blueberry pie bouquet!
Bruce Banner, but faster. Get high on your favorite strain with less fuss and more fun!
This automatic flowering Sativa provides a sweet slice of relaxation with a scoop of cognitive stimulation.
This perfectly blended hybrid is a favorite as it produces the stickiest dense buds. Plan for an average yield of 400-550 g/m2 indoors.
Smash negative thoughts out of your head with Bruce Banner x Kali Mist.
Expect a cerebral high with muscle relaxation, and relief of pain, migraines and hypertension.
A fun, euphoric, and energetic high lends to being effective any time of day.
A relatively short plant with high-yielding flowers will bud quickly and give you lots of relaxing, and appetite-stimulating effects. High doses will promote psychedelic effects, even sleepiness.
Resin coated buds grow close together but a high flower:leaf ratio means this plant is still very resistant to humidity.
This beautiful blend will grow tall with deliciously resinous buds and reward you with a well-balanced cerebral high and body relaxation.
Auto Critical 2.0 has next level moisture, disease, and pest resistance!
Boost your mood and mental faculties with this positively euphoric strain.
Expect a fast hitting, potent cerebral high typical of Sativa hybrids.
Cerebral high? Check. Fast-growing? Check. Healing effects of CBD? All checks across the board!
Auto Kush CBD Fem is a gentle and therapeutic auto flowering strain that provides psychedelic effects, sweet aromas, and moderate yields.
You can combine work with chilling out? Balance your life with CBD Kush.
A deliciously fruity strain tailor-made for the medical marijuana community.
When life gives you lemons, make lemonade. or just smoke some CBD Sour Lemon.
A Dutch coffee shop menu staple that has been enhanced with healthful CBD.
Relaxing yet euphoric. Wrap up your day with this highly delectable treat.
Experience a therapeutic and highly relaxing journey like no other.
Experience intense relaxation and calm while luxuriating in the sweet vanilla scent.
A medicinal strain that is as glamorous as it is powerful.
The first few tokes treat you very sativa – happy and uplifted, then when the Indica creeps in later, you will find yourself searching for a couch to lean on!
CBD Diesel is the ultra-relaxing, stress-busting, treat-yo-self goodie you deserve.
Bippity boppity boo. Experience the magic of Cinderella99 faster than before, no spells needed!
Clear your schedule for the biggest and baddest nuggets you will ever encounter.
Expect to be hit with the head buzz within five minutes and enjoy its positive effects on stress and pain as it migrates to full body relaxation.
Mild THC levels offer a lighter high for daytime use, although you will still notice the effects both mentally and physically.
It will tolerate most environments as long as its friends and family tolerate the smell of putrid, smelly socks.
A safe bet for those who want to be certain to obtain a heavy yield.
Mentally stimulating with a touch of physical relaxation. Conquer the day with this strain.
Delight your senses with a sweet earthy smell. Envelope your body with deep relaxation.
Be in awe as your mental stimulation and sociability soar through the roof.
Stress-free nights with Auto Cream are sweet and sedating, infused with 19% THC.
The biggest buds you’ve ever laid eyes on, coupled with a heavenly stone.
The benefits of this cannabis strain are crystal-clear: outstanding aroma and euphoric relaxation.
This plant is very compact (60-80 cm) and easy to grow both indoors and outdoors.
Puts a smile on your face and a spring in your step.
This funky Skunk doused will make you want to welcome it into your home.
You don’t need a fairy godmother to get your hands on this chocolate orange cannabis.
Let the Widow wash away your anxiety and soothe your body.
She’s a royal flower who tastes like a fruity, mocha-drizzed truffle.
Supremely decadent with an intense cerebral buzz and relaxing aftermath.
A fruity tropical treat that can share branch-breaking yields.
This one creeps up on you with a full-body high that comes on like a wave.
Considered a fairly stable and reliable strain. Even if you grow multiple plants, you’ll generally find that their size, appearance and yields should be pretty similar across the board.
Big Devil XXL provides consistently large yields for an auto flowering strain and a few puffs will invite you to face your fears and share with your peers!
This bud is your panacea!
Bringing Skunk potency, heavy harvest, and easy to grow quality without the stink!
Eternally mysterious, but its potency will surely answer all of life’s questions.
Wake up to the greatness of two top-shelf crowd-pleasers today.
Creative, energetic, and focus-enhancing. Perfect for daytime use.
A recipe for double the flavor and double the fun.
Intensely fragrant and flavorful. Experience the glorious blend of cerebral uplift and profound body stone.
Tasty and wonderfully balanced. Perfect for your recreational and therapeutic needs.
Also knows as “Original Glue”, this powerful hybrid strain is created through crossing the infamous Chem’s Sister x Sour Dubb x Chocolate Diesel strains.
Like baking cookies, growing this strain is easy, but requires time and attention. Your childhood wishes have all finally came true: cookies now do grow on trees.
Proof that you can never have too much of a good thing.
Awesome gets awesomer with the combination of two cannabis classics.
The high is very uplifting, energizing, and happy although the user may get a sense of “brain-fog” when consumed in high levels.
What happened in Spain did not stay in Spain – luckily!
It has calming medicinal properties that relieve stress and pain, promoting a good night’s rest.
A medicinal marijuana masterpiece that delights with a tropical flavor.
A true cannabis classic.
Just like the full moon over the Hawaiian islands, mysteriously serene and unexpectedly exciting.
Named after the Cannabis activist Jack Herer, this strain will also keep you active! Very uplifting high prompting creativity and daydreaming.
Captures the cerebral stimulation of Sativas and the resin factory of Indicas.
Expect robust cerebral and euphoric effects, unlike any other.
Pros and cons of growing marijuana seeds indoors
Indoor marijuana seeds for sale are an attractive option for growers of all levels, but they’re not a one-size-fits all solution. There are advantages and disadvantages to consider before making an informed purchase decision.
Keeping your marijuana indoors provides security, shelter, and stealth. On the other hand, your plants remain small, and you don’t get to experience the extreme yields of outdoor giants.
In a nutshell, here are the benefits of growing the best indoor marijuana seeds :
- Better control of all conditions
- Easy protection from potential issues
- Greater privacy and discretion
- Perpetual harvest potential
Some people still choose outdoor setups, though. Here are the comparative disadvantages of indoor cultivation :
- More expensive to set up
- No access to real sunlight
- Less microbial life
In a nutshell, indoor seeds take the gold if you can afford the investment . Let’s explore the perks in a bit more depth.
Save time with quick & easy harvests
Photoperiod cannabis crops in the great outdoors rely on changing the seasons to switch between its three life stages. As a result, the seed-to-harvest period usually takes over six months, from early spring to early fall.
Feminized indoor marijuana seeds develop into ripe crops in much less time. Flowering time is strain-dependent and should be respected, but you can half the vegetative stage .
This phase is when your crop produces branches and foliage, not buds and resin. Indoor growers can switch the lights for flowering after several weeks of vegging. That way, you get small plants without too many unnecessary branches.
A six-month life cycle is suddenly four months long , and there’s less trimming struggle along the way.
Combine this perk with our cannabis seeds for beginners , and your cultivation journey becomes a walk in the park.
Control your environment
Environmental optimization is the number one reason why many growers choose indoor seeds . Why use clones to ensure the best possible phenotype? Let each seed develop to perfection with a helping hand instead.
The outdoors brings unexpected waves of low light conditions and increased humidity, pests, disease, and other cultivation pitfalls.
It’s a different story inside. You’re in charge of the environment, letting you fine-tune the conditions. Get the right lamps, filtration systems, and nutrients for marijuana .
Use these modern tools to boost the bulk and quality of every future harvest .
Mimic the outdoor conditions, minus the bad stuff. Your rare tropical strain can easily thrive in a cold state—just up the heating and moisture. Those adaptable indica crops appreciate the lack of climate fluctuations, even if they technically could withstand them.
Never worry about infestations
Your outdoor garden is full of little bugs that find cannabis leaves a treat they can’t refuse. You could stay vigilant, plant companions in the surrounding soil, and install protections. Alternatively, keep your marijuana indoors and nip this problem in the bud .
A sealed and sterile grow room runs little risk of infestation. Even if something does slip through the cracks, the adverse effects are less severe.
Grow whenever and wherever you want
This selling point of best indoor marijuana seeds started with commercial growers but quickly spread to everybody else. Why smoke six-month-old buds when you can always have the freshest flower in your stash?
Growing cannabis inside doesn’t leave you dependent on the growing season . Sow in December and collect in March. Repeat two more times in a calendar year.
As a bonus, you don’t have to worry about nosy neighbors noticing your crop and giving you weird looks. Indoor setups let you forget all about a lack of garden space or proper shielding to keep it private.
Where to grow indoor weed seeds?
The stellar genomes of our indoor seeds make them suitable for various systems. As long as your space is clean, secure, and adaptable , you can choose whichever setup best fits your situation.
As a rule of thumb, seal the cultivation unit to prevent pests from harassing your crops. Install a ventilation system to provide fresh air to your budding plants. Get lamps to mimic outdoor sunlight—even indoor strains need light.
What growing arrangements are available? Our community goes for the following:
- Closets are convenient but far from optimal. Opening and closing the doors can disrupt the light cycle, and the air gets stuffy. Stick to one plant if closet-growing.
- Space buckets fit a single plant but provide a stable growing environment. Pick a short indoor strain for the purpose. The same rules apply as with closets, but the results tend to be much better.
- Grow tents can hold anywhere between two and ten indoor plants. These neat devices promise excellent light distribution and protection.
- Grow boxes are an alternative to a tent you make at home. Choose a sturdy wood or metal base and reflective material with a zipper for the insides.
- Windowsills are excellent for tiny crops, but they reduce harvest potential. Supplement lights with LEDs and introduce temperature control to improve this setup.
- Grow rooms are the top choice for dedicated cultivators. Having an entire chamber for your indoor marijuana seed -grown crops eliminates the downsides you’d face with other options.
The best indoor cannabis seeds
The variety of best marijuana seeds for growing indoors is massive. You might choose something unique every year and never run out of new options to explore.
We at i49 offer a comprehensive array of indoor cannabis seeds for sale . Indica, sativa, THC, CBD, beginner-friendly, or advanced —our seed bank has your back.
Find the best indoor marijuana seeds at the i49 library. If it’s hard to choose by yourself, here are five of our favorites :
is a gorgeous sativa that delivers an uplifting cerebral buzz. This strain is susceptible to pests outdoors, but indoor conditions bring out its fast-flowering, high-yielding nature.
is fragrant and relaxing, melting you into your seat with each piquant puff. Crops from these indoor seeds remain tiny, easily fitting restricted growing spaces. They thrive in controlled conditions, producing rivers of resin.
is the cultivar for every physical and psychological need. This hybrid displays a mixed growth pattern, with short stature and large internodes. Its build makes it perfect for tiny spaces, where yields surpass all expectations.
is an aromatic herb with a mild yet feel-good effect profile. Its short life cycle makes it best suited for stable indoor environments, where nothing can mess with its harvest.
is the pinnacle of landraces that promises a profound cerebral experience. The auto version of these indoor marijuana seeds remains compact, each lanky branch brimming with beautiful buds.
Where can I buy high-yielding indoor marijuana seeds?
Are you ready to buy indoor marijuana seeds and get growing? Look no further than i49 USA.
Our library contains a vast selection of feminized seeds and autoflower cannabis seeds for your next growing adventure. You’ll find strains for beginners and some that put your green thumb to the test. We stock indica and sativa to cater to all smoking preferences.
We’ve been in the business for decades, and the quality of our indoor marijuana seeds for sale proves our reliability. Purchase from us for a germination guarantee, only female genetics in our feminized seeds, timely worldwide shipping, and discreet deliveries.
Browse our online shopping platform and discover a cultivar for your every need. Finding the best indoor cannabis seeds is as easy as clicking the ‘indoor’ option on the side menu.
When you run into indoor marijuana seeds that tickle your fancy, learn all about them with our educational resources. You’ll find descriptions, images, tips, tricks, and real grower reviews.
Order now and stay confident in your decision with a dependable seed bank in your corner. Take advantage of our secure payment methods and have your package delivered right to your doorstep . Grow cannabis at home and keep coming back for more.
Cultivation of cannabis with indoor seeds gives a grower control over the crop. You can micromanage every step of the plant’s life cycle. An indoor setting allows you to control the plants’ feeding, lighting schedule, temperature, humidity, and other crucial factors for your indoor seeds’ optimum growth. Suppose you want to plant indoor seeds, this guide offers you all the information about growing marijuana indoors. We also provide a list of the best indoor seeds for indoor growth.
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Table of content
What Are Indoor Cannabis Seeds?
Although all cannabis strains can be cultivated in an indoor setting, some seeds are specifically meant to be cultivated in an indoor environment. Indoor cannabis seeds are sensitive to change in the climate and prefer to be in a controlled room.
Why Should You Grow Indoor Marijuana Seeds?
If you are starting, you may ask yourself, what are the benefits of growing indoor seeds? And how indoor cultivation impacts your plants? Are they better than outdoor seeds? Are they the highest THC seeds in the market? Your response to these questions depends on the indoor strain you choose to cultivate. Indoor seeds have a few advantages over outdoor seeds. Below, we explore the benefits and cons of using indoor seeds.
Pros of Indoor Seeds
Control Over the Environment
The good thing about growing indoor seeds is the ability to control their growth conditions, such as temperature, humidity, water, nutrients, lighting, and airflow. It allows you that your plants grow under optimal conditions, which translates to better and higher yields.
Cons of Indoor Seeds
Tiring, Time-Consuming, and Expensive
Setting the grow room is a lot of work and requires a substantial investment because you need to purchase the grow kit, form the tents, lights, pots, air conditioning system, and grow medium. You may also need to hire professionals because doing a DIY setup may lead to some setbacks, affecting yields and quality of your indoor marijuana.
Tools and Equipment Used in Growing Indoor Cannabis Seeds
Suppose you want to grow indoor marijuana from the indoor seeds, you will need:
- Grow room/grow tent
- Growing lights
- Air conditioning
- Thermometer and hygrometer
- pH test kits for test soil pH
- LUX Meter for measuring and optimizing light in the grow room
- Timer for automating light cycle
- String/gardening wire for training your plants
- Containers such as fabric pots for growing your plants
- Seedling starter kit
Best Places for Growing Indoor Seeds
Now that you have all the equipment needed to grow your weed seed indoors, you need to choose the best place to grow your indoor cannabis seeds. These places include:
- The basement
- Grow box
- Closet, or
- Build a grow room
Choosing a Growing Medium for Indoor Seeds
When growing indoor marijuana seeds, you can use either soil or hydroponics as the growing medium. Soil is the most straightforward growing medium used by most cannabis growers, especially beginners. You can either buy the soil mix or create your own.
Hydroponic uses water or another soilless substrate, such as coco coir or pear as the growing medium. In this method, plants are fed with nutrients directly into the roots, giving the total grower control over the nutrient intake. This method is ideal for experienced growers and leads to improved yields.
Choosing Indoor Seeds
There are many weed seeds for indoor growing for sale, therefore, growers need to select quality indoor weed seeds. Discussed below are the 10 best marijuana seeds for indoor growing:
Sour Diesel is a well-known strain from the Diesel family that is highly potent. It is a cross between Chemdawg and Super Skunk. This strain is not recommended for beginner growers and prefers dry and warm climates. However, know how to control powdery mildew since Sour Diesel is susceptible. Therefore, it is recommended that you cultivate this cannabis strain indoors.
Sour Diesel indoor marijuana seeds grow into tall plants that can be monstrous if not trained. The strain’s flowering time lasts from 9 to 10 weeks, with 1.5 – 1.6 oz/ft² (450 – 500 g/m²) yield when it is grown indoor.
Hellfire OG is a perfectly balanced hybrid strain that gives a couch locking high. This strain was created by mixing Rascal’s OG Kush and SFV OG Kush. Hellfire OG boasts a THC content of 28 to 30% and has potent euphoric effects. Hellfire OG indoor weed seeds grow up to 7 feet (2 meters) high with compact and dense buds. Hellfire OG flowering time lasts 55 – 65 days with high yields of 1.3 – 1.6 oz/ft² (400 – 500 g/m²).
Granddaddy Purple is a beautiful purple colored strain that is a cross between Big Bud and Purple Uncle. These are top-shelf seeds that are highly sought after by both novice and veteran growers. Granddaddy Purple seeds give perfect weed plants for growing indoors because their height reaches up to 3.5 feet (100 cm) with a flowering time of 9 – 10 weeks. The strain’s buds are thick and dense with a layer of rich THC (15 – 19 %) trichomes. You can expect to reap high indoor yields of 1.3 – 1.6 oz/ft² (400 – 500 g/m²).
Chocolate Thai is a 100% Sativa strain from Dutch Flowers. Like its name, the strain was first discovered in Thailand. This cannabis strain delivers an energizing, mind-clearing high. Though it has a low THC content of 10 to 15 %, users love this strain because of its creamy chocolate taste and delicious high that does not leave you couch-locked.
Chocolate Thai is a pretty tricky indoor weed seed to cultivate, and they are best left for expert growers who have the patience of waiting out their long flowering period and low yield. Suppose you are in a cold climate, it’s best to cultivate this weed seed indoors because it thrives in a warm and dry environment.
Wedding Cake indoor cannabis seeds are Indica dominant. The seeds grow into a short and sturdy plant that thrives in various environmental conditions. These are high THC seeds with a THC content of 17 – 23 % and delivers a long-lasting and cheerful high. Wedding Cake strain flowering period lasts for around 65 days and produces decent yields of about 1.5 – 1.6 oz/ft² (450 – 500 g/m²). This strain is moderate to cultivate but is naturally resistant to various diseases and pests.
Blue Dream is a Sativa dominant strain that is highly sought after in America. This strain packs quite a punch as its THC content ranges between 16 and 20%, with 2% CBD. Growing Blue Dream indoor marijuana seeds requires patience because it grows slowly as it needs time to branch out in its early stages. The plants are tall and can hit 6 feet (180 cm) with high and healthy yields. Blue Dream is a favorite of mites, pests, mold and mildew; therefore, growing it indoor helps control humidity, facilitating the infestation.
Purple Kush Autoflower
Purple Kush Autoflower is a popular cannabis strain among cannabis lovers who love smoking this strain because of its potent high. It is got by crossing Hindu Kush and Purple Afghani.
It is straightforward to grow Purple Kush Autoflower weed seed indoors because it grows into hardy, medium-sized plants. This beautiful strain improves your garden aesthetics with its purple hues and unique aroma. Purple Kush flowering period lasts 56 – 63 days with a pretty decent yield of 1 oz/ft² (300 g/m²) when it is grown indoor.
Strawberry Cough is a hybrid strain whose origin is marred by a lot of myths. Just like its name, expect your field to smell like strawberries. This Sativa dominant strain is pretty easy to cultivate and thrives in an indoor environment.
When you plant Strawberry Cough weed seeds indoors, the plants grow up to 3 feet (90 cm) and mature in 63 – 70 days. Strawberry Cough has sturdy branches to support the weight of the tight bud with a pine cone shape.
Legend OG is an Indica dominant strain with a woody and floral aroma. Although this strain does not have a well-documented origin, Legend OG was created by Swamp Boys Seeds. This is a high THC strain with THC ranging between 20 to 25%. It grows tall and is ideal for average growers and produces moderate yields.
If you want to cultivate potent indoor marijuana seeds, Cement Shoes is our best bet. Apart from a high THC content of 20 – 24 % and 1% CBD, this strain offers you a relaxed cerebral buzz and a heavy-bodied buzz that leaves you couch-locked. A three-way cross gets this strain between OG Kush, Animal Cookies 09, and Wet Dreams.
When you cultivate Cement Shoes weed seeds indoors, you get a 5 feet (150 cm) tall plant with a flowering period that lasts between 60 – 70 days. This Indica dominant strain produces high indoor yields of 1.3 to 1.6 oz/ft² (400 to 500 g/m²).
Indoor Seeds vs Outdoor Seeds, Which Is the Best?
Suppose you are new to marijuana and are wondering where to grow your indoor weed seeds. The seeds you choose to go with depends on your potential, the type of conditions it requires to thrive, and weather in your region. It is best to grow marijuana indoors because you can control your cannabis plant growth conditions. But with outdoor seeds, you have little to no control in case the weather changes.
Final Thoughts on Indoor Seeds
Indoor seeds are best when you live in a region where the weather often fluctuates, making it difficult for cannabis to thrive in an outdoor setting. If you are shopping for the indoor cannabis seed, look no further because we have a large selection of Indica and Sativa indoor seeds and this guide provides you with a list of the best marijuana seeds for growing indoors.
Cannabis seeds are sold to customers over the age of 21 and are sold strictly for souvenirs or storage purposes only. The cultivation and germination of cannabis seeds is illegal in most countries. We advise customers to check the laws in their country before ordering.