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11 of the Best Strains to Grow Indoors

Happy Seed Bank
Updated on: October 11, 2021
These time-tested cannabis strains are well-suited for the indoor environment. They’re suitable for both beginners and experienced growers.

Best Strains to Grow Indoors

Some cannabis strains are genetically better suited to be grown indoors, and some do better outdoors. In this post, we’ll tell you about the best strains to grow indoors.

Humans have been cultivating cannabis for thousands of years. Although the tools and techniques for growing may have changed over time, the goal of every grower remains the same - to farm healthy, vibrant plants and get the highest yield possible from each plant.

grow strains indoors

In ancient times, cannabis was primarily grown outdoors. However, today, a lot of growers prefer to farm their plants indoors. Growing indoors takes up less space. Also, it gives you full control over the environment, ensuring you provide the perfect conditions for your plants to reach their highest potential.

You can control the temperature, CO2 levels, humidity, and light source when growing indoors. Cannabis plants that are grown indoors usually have a higher level of tetrahydrocannabinol (THC).

Although no indoor grow light can ever replace the sunlight, growing outdoor leaves your plant exposed to the vicissitudes of nature. Ultimately, there are pros and cons of choosing to grow indoors or outdoors. If you’re thinking of growing indoors, here are some of the best indoor cannabis strains to choose from.

The Best Strains to Grow Indoors for Beginners

Here are some of the best strains that you can grow indoors with their descriptions:

1. Blue Dream

Blue Dream is a popular marijuana strain and it is easy to grow indoors.

This Sativa-dominant hybrid originated in California and is a cross between Blueberry and Super Silver Haze.

Blue Dream thrives when it is grown indoors and doesn’t do well outdoors. This strain has an average flowering period of about 67 days.

Blue Dream is known to grow very tall so you need to be prepared to top it at some point and stake it to give the plant some structural support.

This strain can easily be destroyed by pests so you need to protect it.

Blue Dream Marijuana Strain

Blue Dream requires lots of care and nutrients to grow well, and it also does well with a soil pH of around 6 to 7. The plant also needs a specific temperature, humidity, and light setting to grow vigorously and produce a high yield.

2. Sour Diesel

Sour Diesel is another Sativa-dominant hybrid that tends to grow very tall, but it produces significantly fewer buds than Blue Dream. The strong, pungent aroma of this strain is one of the reasons why it continues to be in high demand.

Sour Diesel is the result of crossing Chemdawg 91 and Super Skunk. This strain is one of the best weed to grow indoors, but it can also be grown outdoors.

When grown indoors, the flowering cycle of Sour Diesel tends to be about 70 weeks, and it produces a moderate yield. This strain produces better yields when grown outdoors.

Sour Diesel tends to grow very fast. It requires a lot of space and needs a lot of nutrients during its flowering stage to bloom well. This strain also requires a lot of light. It can be easily affected by pets as well as temperature and humidity changes.

3. Girl Scout Cookies

Girl Scout Cookies (GSC) is an Indica-dominant hybrid strain that is known for its purplish buds. This is one of the top 10 Indica strains available today.

Girl Scout Cookies is a cross between Durban Poison and OG Kush.

It tolerates temperature changes well and is best suited for a dry climate. The fact that it is also resistant to diseases and infections makes Girl Scout Cookies one of the best strains to grow indoors for beginners.

Girl Scout Cookies plants grow to a moderate height. They take about 9 to 10 weeks to flower and produce a low yield compared to most strains. 

Girl scout strain
Girl Scout Cookies tend to grow sturdy and don’t need any support. It is important to learn how to train the plant for the best yield and also boost the terpene content to get highly aromatic buds.

4. Skunk

Skunk (also known as Skunk #1) is a classic Indica-dominant strain that is popular all across the world. It has been around since the 70s and is a blend between Afghani Indica, Acapulco Gold, and Colombian Gold.

Skunk is one of the easiest strains to grow indoors. The stain produces chunky, resinous buds with a peculiar aroma that earned the strain its name.

Skunk has been crossed to create many other cannabis strains.

Skunk was originally bred to grow indoors, but there are outdoor varieties available today. 

It usually takes just 9 weeks to start flowering and produces better yield when grown indoors compared to when it is grown outdoors.

The plant is resistant to mold and mildew, but it tends to be more susceptible to these infections during its flowering stage. Skunk plants are usually strong and the leaves take on a deep green color after the flowering stage.

5. Northern Light

Northern Light is an award-winning Indica strain that was made by combining Afghani Indica and Thai Sativa strains.

Legend has it that this strain was created in Seattle, Washington in the 70s and found its way to the Netherlands where breeder Neville Schoenmaker created different versions of the plant. Northern Light is known for its purple, crystal-coated, resinous buds.

The auto-flowering version of Northern Light is a perfect indoor strain. The height of this plant is average. It grows very fast and has dark green leaves. Northern Light produces more yield when it is grown outdoors compared to when it is grown indoors.

Northern Lights Marijuana Strain

It has a flowering period of 45 to 50 days, and it takes only 4 weeks for the plant to start flowering. Northern Light tends to have thick foliage so you must provide ample airflow to prevent a buildup of humidity.

It does well in a warm environment and requires a lot of nutrients to thrive, especially during the flowering stage.

6. Haze Berry

Haze Berry is a Sativa-dominant strain. It is a cross between Blueberry and Super Silver Haze. Haze Berry can be grown indoors or outdoors, and it requires a lot of care and attention to produce a high yield.

Nonetheless, this strain is one of the best weed to grow indoors because it is resilient to pests, mold, and mildew.

Haze Berry can grow quite high with thick stalks and lots of leaves, so it requires ample space and needs to be topped.

It produces a dense canopy and sizable flowers. You can get up to 23 ounces of buds per plant.

Haze Berry starts flowering in just 11 weeks. The stem and stalks of this plant tend to be very strong so you don’t need to support it. Haze Berry requires a lot of light and a stable temperature to grow well. It doesn’t do well in a harsh environment so it tends to be grown exclusively indoors.

7. Wedding Crasher

Wedding Crasher (also known as Wedding Crashers) is an Indica-dominant strain. It is a cross between Wedding Cake and Purple Punch. Wedding Crasher is not an easy plant to grow indoors. It is usually recommended for expert growers.

It grows quickly so you need to top it quickly to keep the plant under control. This strain is susceptible to mold and mildew infection.

Wedding Crasher flowers have hints of purple, pink, and orange which makes them stand out. The plant requires a lot of time and attention.

With that said, this strain can give you about 300g to 600g of buds per plant if you treat it well.

Wedding Crasher Marijuana Strain

Wedding Crasher usually starts to flower between 63 to 70 days. It can be grown both indoors or outdoors and does well in warm temperatures. Wedding Crasher does well under high-powered LEDs when you grow them indoors.

This strain grows better indoors compared to outdoors. The plant tends to grow wide and high so you need a lot of space for it.

8. Super Silver Haze

Super Silver Haze is a popular Indica-dominant strain. It is the result of a cross between Northern Lights, Haze, and Skunk #1.

Super Silver Haze can be grown indoors or outdoors. It thrives best indoors in a hydroponics setup and can give you over 500g of buds per plant.

Super Silver Haze grows well in a humid environment with a warm temperature. It can take up to 77 days for this strain to flower. You can encourage the plant to create more foliage by removing growth at the base of the plant.

It doesn’t require a lot of feeding, and overfeeding it can be detrimental to the health of the roots. Also, overwatering can kill the plant.

Super Silver Haze Marijuana Strain

Super Silver Haze isn’t an easy strain to grow. You need proper, precise lighting, medium pH water, as well as a specific humidity and temperature level to ensure a high yield from this strain.

9. Afghan Kush

Afghan Kush is one of the most popular Indica strains in existence. It has been used to breed so many strains.

Afghan Kush is believed to have originated from the Hindu-Kush mountain range close to Afghanistan, thus its name. This strain evolved naturally and grew in the wild for many years before growers started cultivating it.

Afghan Kush is a hardy plant and can survive harsh conditions so it is an excellent choice for beginner growers. It does well both indoors and outdoors.

It is easier and faster to grow this strain from a clone rather than from the seed. 

Afghani Marijuana Strain

Using a hydroponics setup maximizes its yield. Overall, this isn’t a difficult plant to grow.

You need to avoid making the humid environment when growing Afghan Kush or it could develop mold. You also need to combat pests and feed the plant heavily. Afghan Kush is one of the fast flowering plants. It takes just 7 weeks for it to start producing flowers.

10. White Widow

White Widow is a potent Indica-dominant hybrid strain that has been around since the 90s. This strain was created in the Netherlands by combining Brazilian and South Indian strains.

White Widow can be grown both indoors or outdoors. If you’re growing it indoors, use feminized seeds and you can choose to use soil or a hydroponic setup.

However, it is important to control the settings to get a high yield. White Widow is a good strain for beginners to experiment with. The plant tends to grow very high and has one of the highest yields - over 500g per plant.

White Widow usually produces flowers after just 9 weeks. The only tricky aspect of growing a White Widow plant is that you need to feed it with particular nutrients at different stages of its growth.

You need to follow the right lighting schedule and create an environment with consistent temperature to get the best out of your White Willow yield. This strain tends to attract a lot of pests as well as mold and mildew so you must ensure it is well protected.

11. Gorilla Glue

Gorilla Glue (also known as Original Glue, GC4, and Gorilla Glue #4) is an award-winning and well-balanced hybrid with a slight Indica dominance.

It is a cross between Sour Dubble, Chocolate Diesel, and Sour Diesel. The strain gets its name from its sticky, resinous buds.

This sticky nature of the buds makes them a little tricky to trim.

Growers usually wear gloves before touching the buds to avoid the stickiness from getting on their hands.

Gorilla Glue can be grown indoors or outdoors.

Gorilla Cake Marijuana Strain

It does well in a sunny environment as well as a dark room. takes about 63 days for the plant to produce flowers and you can get a high yield of up to 600g per plant.

Gorilla Glue tends to grow quite tall. This is a relatively easy strain to grow so it is a popular choice among beginners. It is resistant to molds and pests, and adapts well to different environments.

Conclusion

Successfully growing cannabis goes beyond picking the best strain to grow indoors. You must ensure that you adopt the best growing techniques and create a suitable environment for your plants to thrive.

There are lots of valuable resources online to guide you through every step of your journey to grow cannabis plants successfully.

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