20 Best Strains to Grow Indoors(+Outdoors) for Beginners

Some people prefer going to the closest dispensary and buy their marijuana there while others are more passionate and interested in cannabis that they decide to plant their own. However, not everyone has a cannabis green thumb that can make great products from these plants. If you are interested in growing your cannabis seeds, you do not need to worry. Some strains are easier to care for than others..

In this article, we will share with you 20 of the easiest marijuana strains that are great for first-time or commercial growers, beginners, and even experts. You will find both Sativa and Indica strains that are great even in extreme weather and produce ample and potent cannabis yields. 

What to Consider When Picking Out a Cannabis Strain

The most important and difficult decision before growing your cannabis is determining the ideal strain, but because there are a lot of varieties, these also have different qualities. Nevertheless, regardless of which strain is the most ideal, you need to figure out your preferences and needs when it comes to marijuana.

Growing Environment

Before you choose which strain to plant, it is important to consider the space where you will cultivate it. Spaces are vastly different among growers. Some have greenhouses or large space outdoors while others have small or limited indoor space. 


Each strain grows to a certain height. Although the size mainly depends on genetics, environmental factors and other methods can make a huge difference in a plant’s height. 


The growth speed of the strain is essential. That is because it is related to the growing environment and determines how much space will be utilized. There are selective strains that can produce high yields in a short period while others take a lot longer. For commercial growers and growers who want to be discreet, they prefer those that grow fast.


Even though it helps to have a green thumb, learning the ropes of growing cannabis strains can take some time. The best learning experience is through trial and error. You may have to wait for a few growing sessions to figure out which strains work best for you. Many online dispensaries give information about the difficulty of each strain offered. Some offer advice on how to care for particular strains. Having knowledge and experience of various growing techniques and environmental factors can make it possible for any grower to plant even the most difficult strains.

Top 20 Easiest Cannabis Strains to Grow from Seeds


  1. Blue Dream

Being the best-selling staple on the West Coast, Blue Dream is likely one of the easiest seeds to plant outdoors if you are a beginner. It grows vigorously, has great stature, and produces potent yields and quality buds. It is a 70% Sativa-dominant cannabis strain that can grow up to more than 4 meters. 

When planted outdoors in the Northern Hemisphere, Blue Dream can be harvested around the middle of October. During flowering, it stretches out a lot. If planted indoors, you can have the vegetative Blue Dream so that you can have an easier time managing the plant. It contains 19% THC and has fruity buds.

Blooming Period: 65 to 70 days

Seed Breeder: Humboldt Seed Organization

Pack Sizes: 3, 5, 10, or 25 seeds

Yields: 350 to 500g/m2 (indoors), 2 to kg/plant (outdoors)


  1. Durban Poison

Durban Poison is a Sativa strain that originated from South Africa. During the 70s, it was introduced in Holland. Afterward, this cannabis line was crossed with the genetics of South Africa Indica and naturally bred to improve quality. Durban Poison seeds from Dutch Passion can grow well outdoors or indoors. 

Aside from thriving in different climates, the cannabis plants are resistant to molds. Therefore, beginner growers can plant this without any issue. This plant can grow more than 10 ft. tall until late September or early October. Users enjoy Durban Poison because its smoke gives them a strong, energetic, and trippy effect. 

Blooming Period: 56 to 63 days

Seed Breeder: Dutch Passion

Pack Sizes: 1, 3, 5, or 10 seeds

Yields: 400 to 500 g/m2


  1. Northern Lights

Today, the Northern Lights take up a huge chunk of the genetic strains in hybrid cannabis together with Haze and Skunk # 1 which are other primary cannabis strains. 

The strains from Sensi Seeds are bred selectively by crossbreeding the genetics from the original NL-1, NL-2, and NL-5. These are the only 100% Northern Lights strains that still exist. 

Northern Lights is the standard for reviewing other Indica strains. Moreover, it is dense and blossoms fast. The flowers have dense, resin-filled buds that are the source of narcotic and potent effects.

Blooming Period: 6 to 7 weeks

Seed Breeder: Sensi Seeds

Pack Sizes: 3, 5, or 10 seeds

Yields: 450 to 500 g/m2


  1. Gelat.OG

This cannabis strain from Seedsman is a combination of the genetics of Gelato and OG Kush which are the top 2 very in-demand strains. 

The seeds from this hybrid strain produce a lot of yields, blossoms quickly, and have yummy buds that are high in THC. Gelat.OG can be planted outdoors and indoors and can reach a height of 7 feet. 

When grown indoors, you can maintain the bushes at 3 to 4 feet. In cool temperatures during the final glowering weeks, the buds become purple. It can yield a lot of harvests from strong and resin-covered lemon, diesel, or pine buds with 25% THC.

Blooming Period: 55 to 60 days

Seed Breeder: Seedsman

Pack Sizes: 1, 3, 5, or 10 seeds

Yields: 400 to 600 g/m2


  1. Blue Cheese

Big Buddha Seeds’ Blue Cheese is a stable mix of Blueberry and Cheese. Therefore, it results in having primo dank Indica florets that have an excellent fruity taste. The thick and healthy plants can be grown outdoors, indoors, or in a greenhouse. 

Moreover, it finishes fast and does fairly well in resisting powdery mildew and mold, considering that it’s an Indica. Growers from cold climates such as Oregon enjoy planting Blue Cheese seeds. The buds have a light blue hue, a very cheesy smell, grade A bad charm, and a THC of 23%.

Blooming Period: 60 to 65 days

Seed Breeder: Big Buddha Seeds

Pack Sizes: 5, or 10 seeds

Yields: 400 to 500 g/m2 (indoors), more than 500 g/m2 (outdoors)


  1. Green Crack

This robust Sativa hybrid strain has seeds that produce a lot of sticky tight buds. Because Green Crack is a hardy plant, it can withstand outdoor and indoor weather. Air flows through the spaces of the plant well, so it can create compact and strong marijuana buds. 

Moreover, it is resistant to Botrytis mold. Green Crack is a mix of Skunk # 1, isolated Afghani cutting, and 1989 Super Sativa Seed Club. The seeds are perfect for beginners and experienced growers. The buds are fruity and have 18% THC.

Blooming Period: 55 days

Seed Breeder: Humboldt Seed Organization

Pack Sizes: 3, 5, or 10 seeds

Yields: 350 to 525 g/m2 (indoors), more than 1 to 3 kg/plant (outdoors)


  1. LSD

Since LSD is a strong psychoactive strain with feminized seeds, it is great for both first-time and experienced growers. It is a hybrid between Skunk # 1 and Afghan Indica from Barney’s Farm Seeds. LSD is regarded because of its effect, potency, and taste. 

Moreover, the seeds can grow easily outdoors and indoors. The plants are resilient and have big colas. The intense trippy high comes from the very smelly and oily buds. Lastly, it has 25% THC. 

Blooming Period: 60 to 65 days

Seed Breeder: Barney’s Farm Seeds

Pack Sizes: 1, 3, 5, or 10 seeds

Yields: 700  g/m2 


  1. Gorilla Bomb

This hybrid strain is Sativa-dominant. It is a duplicate of the multi-awarded GG #4 phenotype from GG Strains that are combined with the THC Bomb from Bomb Seeds. 

The seeds give a lot of very sticky bud yields that have a sour pine scent. The bushy plant can withstand extreme heat and thrive in outdoor and indoor climates. 

Its height can go over 6 feet. Moreover, it creates a lot of trichome-covered bud areas, making the buds very potent with 25% or higher THC.

Blooming Period: 9 to 10 weeks

Seed Breeder: Bomb Seeds

Pack Sizes: 5, or 10 seeds

Yields:  400 to 550 g/m2 


  1. Pineapple Chunk

Pineapple Chunk from Barney’s Farm Seeds is a delicious hybrid strain. It is derived from the genetics of Cheese, Skunk #1, and Pineapple. Its seeds quickly germinate that results in potent Indica-dominant plants. 

It blossoms fast and produces a great amount of aromatic and fruity cannabis. Ideal to be grown outdoors and indoors, you can easily harvest these quality buds with a high THC content of 25%.

Blooming Period: 55 to 60 days

Seed Breeder: Barney’s Farm Seeds

Pack Sizes: 1, 3, 5, or 10 seeds

Yields: 650  g/m2 


  1. OG Kush

This is one of the most famous marijuana strains in the US of all time. OG Kush is very in-demand for those who want to purchase cannabis legally. 

Therefore, it is great as a cash crop for any grower. Seeds from Dinafem are hassle-free and fast to grow. You can plant this indoors, outdoors, or in your greenhouse. It has a THC of up to 24%, making it very potent.

Blooming Period: 55 days

Seed Breeder: Dinafem Seeds

Pack Sizes: 1, 3, 5, 10, or 25 seeds

Yields: 550 g/m2 (indoors), 1100 g/plant (outdoors)


  1. The Incredible Bulk

The seeds of The Incredible Bulk can make buds close to the size of a boxing glove. The huge and bulky plants can thrive in virtually any environment. It is a strain that is easy to grow indoors and reacts well to cropping techniques and a good amount of feeding. This mostly-Indica strain has 20 to 24% THC and a nice smoke. 

Blooming Period: 7 to 8 weeks

Seed Breeder: Dr. Krippling Seeds

Pack Sizes: 1, 5, or 10 seeds

Yields: 600-1000 g/m2 (indoors), 800 to 1500 g/plant (outdoors)


  1. Blue Hash

Blue Hash is an Indica strain that is ideal for hot and humid weather. If you live in Hawaii or a cold mountain, you can try planting this. After you harvest the plant, Blue Hash’s intense and smelly scent becomes stronger. This is highly recommended for new cannabis growers. 

Blooming Period: 7 to 8 weeks

Seed Breeder: Dinafem Seeds

Pack Sizes: 1, 3, 5, or 10 seeds

Yields: 475 g/m2 (indoors), 1100 g/plant (outdoors)


  1. OG Kush Auto

Seedsman’s OG Kush Auto is an amazing quality cannabis strain that novice growers can plant in small areas. 

Staying at under 4 feet tall, this bulky Indica-dominant auto flower plant can complete its seed phase in just 2 ½ months and produce a lot of yields. Its buds are rock-hard with the shape of a golf ball. It has 15 to 20% THC.

Blooming Period: 75 days (from seed)

Seed Breeder: Seedsman

Pack Sizes: 1, 3, 5, 10, or 100 seeds

Yields: 400 g/m2 


  1. AK47

AK47 is Serious Seeds’ award-winning hybrid cannabis seeds. It has been very popular since the mid-90s because of its very smelly buds that give a quick and intense high. It’s best to plant them in dry weather as they can grow better.

Blooming Period: 8 to 9 weeks

Seed Breeder: Serious Seeds

Pack Sizes: 11 seeds

Yields: 400 to 500 g/m2 


  1. NL x Big Bud Ryder Auto

A combination of Northern Lights and Big Bud Ryder Auto, this strain can produce a lot of Indica auto-flowering yields. The buds are very hard but fruity. 

For beginners who want a good amount of harvest, this is highly recommended. In low temperatures, the buds and leaves change to purple.

Blooming Period: 65 to 70 days from seed

Seed Breeder: World of Seeds

Pack Sizes: 3, 7, or 12 seeds

Yields: 70 g/plant


  1. Gold Leaf

This cannabis strain from ILGM is made by Robert Bergman. Its genetics are unknown, but it is known for generating a lot of yields and easy planting. 

The Indica-dominant seeds can be planted anywhere. However, when planted indoors, it is better to limit its height. For more production, you can crop and prune. At 21% THC, the strain features an uplifting and relaxing effect.

Blooming Period: 9 weeks

Seed Breeder: ILGM

Pack Sizes: 5, 10, or 20 seeds

Yields: 16-23 oz for each 3×3 ft


  1. 707 Headband

707 Headband is an easy-to-grow strain that is made by Humboldt County growers with 70% Sativa. These large plants can go over 4 meters and make large harvests. 

You can harvest these in the first 2 weeks of October. The buds have a lemon and Kush taste and 19 to 23% THC which gives it its potent effect.

Blooming Period: 63 to 68 days

Seed Breeder: Humboldt Seed Organization

Pack Sizes: 3, 5, or 10 seeds

Yields: 375 to 500 g/m2 (indoors), 1 to 4 kg/plant (outdoors)


  1. Pineapple Express Auto

The seeds of Pineapple Express Auto have special fruity tastes and a pungent smell. It has good yields and a nice high. Its height can be between 90 to 140 cm depending if it is grown outdoors or indoors. 

Blooming Period: 70 to 80 days from seed

Seed Breeder: FastBuds Seeds

Pack Sizes: 1, 3, 5, or 10 seeds

Yields: 400 to 600 g/m2 (indoors), 50 to 300 g/plant (outdoors)


  1. Fantasmo Express

Also known as Auto Ghost train Haze, Fantasmo Express is the strongest Sativa strain available from Mephisto Genetics. It grows fast with a height that can go up to 90 cm. during the blossoming period. It has good size and yields. 

Blooming Period: 75 days from seed

Seed Breeder: Mephisto Genetics

Pack Sizes: 18, 90, 180 seeds

Yields: 90 or more g/plant


  1. Black Jack Auto

Black Jack Auto is a fantastic auto-flower novice strain for beginners. It can be grown outdoors or indoors and can have a height of 40 to 110 cm. The buds are resin-rich, compact, and sweet with 15 to 20% THC. 

Blooming Period: 9 weeks from seed

Seed Breeder: Sweet Seeds

Pack Sizes: 3, 5, or 10 seeds

Yields: 400 to 550 g/m2 (indoors), up to 250 g/plant (outdoors)



You now know the different cannabis strains that are easy to grow outdoors or indoors. Growing them can make your time worthwhile, considering that you chose the ideal strain for your needs. You can take into consideration the factors given to select the best seeds. These are especially helpful if you are a beginner because it can be overwhelming to decide which strain to plant. Whether you plan to use cannabis for medicinal needs or business, you need to keep in mind that the strain will be beneficial to you.

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