The Strongest Indica Weed Strains

Biologist Jean-Baptiste Lamarck made a significant observation in 1785, noting that indica and sativa exhibit distinct genetic characteristics due to their respective growth environments. Indica traces its origins to the regions of India and Central Asia, while sativa has its roots in East Asia.

The Strongest Indica Weed Strains

In 1785, biologist Jean-Baptiste Lamarck discovered that indica and sativa have different genetics because they grow in different environments. Indica originates from the regions of India and Central Asia, whereas sativa originates from East Asia.  

Indica strains are known for inducing tranquil states that relax the body and mind by reducing stress. They also can produce euphoric highs. Indica’s trichomes naturally produce a lot of resin, causing these genotypical varietals (strains) to have plenty of crystal-coated buds. 

This list is valuable for those looking for the strongest indica strains, whether mostly or pure indica. It identifies potent indica strains, their effects, and tips on how to grow some of the best indica strains yourself.  

Hindu Kush

Hindu Kush is one of the most famous strains on the planet. This 100% indica strain originates from the mountain range between Afghanistan and Pakistan. When growing Hindu Kush, you can expect THC levels of up to 18%, and you’ll feel deep relaxation and tranquility. 

Hindu Kush feminized seeds

Any Cannabis that can take on the harsh conditions of this homeland's climate must be strong. This strain is conditioned to create crystal trichomes coats that protect it from its surroundings.

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The Hindu Kush cultivar can be grown indoors and outdoors. It thrives in a climate similar to its own (dry and warm). Like most pure indica strains, Hindu Kush has a strong resilience to pests and molds, making it an easy grow for beginners. 

Hindu Kush cultivar profile

Plant type 100% indica
THC Up to 18%
CBD Insignificant amount
Difficulty Easy
Climate Indoors | Steppe | Mediterranean
Plant size Average
Vegetative stage 4 to 8 weeks
Flowering time 7 to 8 weeks
Yields 14 to 17 oz per plant
Taste and Smell Earthy | Sweet
Terpenes Humulene | D-Limonene | Caryophyllene | Carene | Beta-Pinene

Read our full strain review of Hindu Kush, or shop for Hindu Kush feminized seeds.

Godfather OG 

This 60% indica cultivar has one of the highest THC levels available at 23% and may even be upwards when grown in perfect conditions. You can expect a euphoric, relaxed, and happy high that can be felt from head to toe when consuming Godfather OG.

Godfather OG Feminized Seeds

The Godfather OG strain is an indica-dominant hybrid (60:40). It's gained a following for its impressive THC level, which averages 25%.

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Godfather OG flourishes in Mediterranean climates with a warm summer and a cool winter. This potent indica marijuana strain can also be grown in an arid climate, but it may reduce the flowering time of the plants. 

Godfather OG cultivar profile

Plant type 60% indica 40% sativa
THC Up to 30%
CBD Insignificant amounts
Climate Indoors | Temperate | Continental
Plant size Average
Vegetative stage 4 to 8 weeks
Flowering time 7 to 12 weeks
Yields 12 to 23 oz per plant
Taste and Smell Earthy | Pungent | Pine | Spicy
Effects Euphoric | Relaxed | Happy | Sleepy
Terpenes D-Limonene | Myrcene | Caryophyllene | Beta-Pinene | Humulene

Read our full strain review of Godfather OG, or shop for Godfather OG feminized seeds.

Purple Kush

Purple Kush is a 100% pure indica strain that originates in the California Bay area. The Purple Kush strain combines Hindu Kush and Purple Afghani, leading to something quite spectacular. The complexity of Purple Kush’s high is unparalleled; it delivers a full-body high that makes you feel so relaxed you can simply drift off to sleep. 

Purple Kush Feminized Seeds

Purple Kush seeds grow a potent cannabis strain that originated on the Cannabis-loving West Coast. It is a pleasantly relaxing indica strain that also delivers pure bliss.

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Purple Kush indica plants can be grown indoors and outdoors in the right conditions. If you’re an outdoor grower, Purple Kush thrives in cooler climates and is resilient to pests and parasites. It’s important to note that Purple Kush seeds produce compact and bushy plants, so it’s essential to trim and prune the plants to improve airflow. 

Purple Kush cultivar profile

Plant type 100% indica
THC Up to 22%
CBD Insignificant amounts
Difficulty Moderate
Climate Indoors | Mold Resistant | Continental
Plant size Compact
Vegetative stage 4 to 8 weeks
Flowering time 7 to 9 weeks
Yields 9 to 15 oz per plant
Taste and Smell Earthy | Sweet
Effects Euphoric
Terpenes Caryophyllene | Myrcene | Beta-Pinene | Terpineol | Linalool

Read our full strain review of Purple Kush, or shop for Purple Kush feminized seeds and Purple Kush autoflower seeds.

Do-si-dos

This 70% indica-dominant hybrid contains THC levels of around 20% and upwards; it also contains CBD at around 1%. The Do-si-dos cultivar provides enthusiasts with a potent high that leaves them energetic and euphoric. The high leads to a mellowed-out effect that offers deep relaxation. 

Do-si-dos Feminized Seeds

Do-si-dos is a newer strain, hitting the market around 2016. In a short time, though, the strain has built a large fanbase thanks to its high THC content, which can reach levels of 30%.

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To grow your own Do-si-dos, it’s important to provide a sunny and semi-humid environment with temperatures between 70-79 degrees Fahrenheit. When growing your Do-si-dos outdoors, you can expect to yield around 18oz per plant. 

Do-si-dos cultivar profile

Plant type 70% indica 30% sativa
THC Up to 30%
CBD 1%
Difficulty Easy
Climate Indoors | Temperate | Continental | Mediterranean
Plant size Average
Vegetative stage 4 to 8 weeks
Flowering time 8 to 9 weeks
Yields 14 to 18 oz per plant
Taste and Smell Earthy | Sweet | Pungents
Effects Euphoric | Relaxed | Sleepy
Terpenes Terpineol | D-Limonene | Linalool | Caryophyllene | Myrcene

Read our full strain review of Do-si-dos, or shop for Do-si-dos feminized seeds and Do-si-dos autoflower seeds.

Girl Scout Cookies (GSC)

Named after the delicious sweet treat, Girl Scout Cookies (GSC) is a famous 80% indica-dominant strain birthed by crossbreeding OG Kush and Durban Poison. GSC has THC levels of around 20% and may even contain upward of that when grown in the optimal environment. Despite its cute name, Girl Scout Cookies delivers potent effects of euphoria and upliftedness. 

Girl Scout Cookies Extreme Feminized Seeds

Like many great strains, this one got started in California. Because of its popularity, it quickly spread across the states and then the world. Its fame is well-earned.

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GSC plants tend to be on the larger side, which beginner growers may find challenging to manage. However, beginner growers may still want to give this indica-dominant hybrid a go, as it is highly resistant to pests and mold.

Girl Scout Cookies cultivar profile

Plant type 80% indica 20% sativa
THC Up to 21%
CBD Insignificant amount
Difficulty Moderate
Climate Indoors | Mediterranean | Steppe
Plant size Average
Vegetative stage 4 to 8 weeks
Flowering time 7 to 10 weeks
Yields 21 oz per plant
Taste and Smell Diesel | Earthy | Herbal | Lemon | Pungent | Skunky | Spicy | Sweet
Effects Create | Euphoric | Happy | Relaxed | Uplifted
Terpenes Caryophyllene | D-Limonene | Humulene | Linalool | Ocimene

Read our full strain review of Girl Scout Cookies, or shop for Girl Scout Cookies feminized seeds and Girl Scout Cookies autoflower seeds.

Sunset Sherbert 

Sunset Sherbert is a hard-hitting 85% indica strain that delivers a strong buzz for those with a sweet tooth. You can expect THC levels of 20% and perhaps even upwards in some grows. If you’re looking for a long-lasting high that immediately fills you with deep body buzz, Sunset Sherbert is one of the strongest indica strains to try. 

Sunset Sherbet Feminized Seeds

Sunset Sherbet is an indica dominant hybrid that will spark your creativity. Sweet like a scoop of sherbet while watching the sunset, this strain is a tasty descendant of Girl Scout Cookies.

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When growing Sunset Sherbert, you’ll need a Mediterranean climate with temperatures around 70 degrees Fahrenheit. You can also expect a flowering time of around eight weeks, with a yield of up to 21oz per plant in the right growing environment. 

Sunset Sherbert cultivar profile

Plant type 85% indica 15% sativa
THC Up to 21%
CBD Insignificant amounts
Difficulty Moderate
Climate Indoors | Mediterranean
Plant size Average
Vegetative stage 4 to 8 weeks
Flowering time 8 weeks
Yields 16 to 21 oz per plant
Taste and Smell Berry | Citrus | Skunky | Sweet
Effects Creative | Euphoric | Happy | Relaxed | Uplifted
Terpenes Caryophyllene | D-Limonene | Myrcene | Beta-Pinene | Terpinolene

Read our full strain review of Sunset Sherbert, or shop for Sunset Sherbert feminized seeds.

OG Kush

OG Kush is a popular and high-demand strain because of its spicy herbal flavor and powerful buzz that can be felt throughout the body. This 75% indica is included among strong indica strains because despite its THC content only being 19%, it still has strong effects that make enthusiasts feel overjoyed and happy. 

OG Kush Feminized Seeds

OG Kush produces a mood-elevating, heavy euphoria making it great for people looking to wash away stress. Its blend of 75% indica and 25% sativa brings a balance between physical and mental experience.

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The OG Kush cultivar doesn’t offer a lot of resistance to pests and mold, making it more suitable for an experienced grower. However, this indica-dominant hybrid is perfect in a hot or tropical climate. 

OG Kush cultivar profile

Plant type 75% indica 25% sativa
THC Up to 19%
CBD Insignificant amounts
Difficulty Moderate
Climate Indoors | Mediterranean | Continental | Steppe
Plant size Compact
Vegetative stage 4 to 8 weeks
Flowering time 8 to 9 weeks
Yields 16 to 17 oz per plant
Taste and Smell Earthy | Herbal | Lemon | Pine | Sour | Spicy
Effects Euphoric | Happy | Hungry | Relaxed | Uplifted
Terpenes Humulene | D-Limonene | Caryophyllene | Beta-Pinene | Myrcene

Read our full strain review of OG Kush, or shop for OG Kush feminized seeds and OG Kush autoflower seeds.

Blueberry 

Blueberry is a sweet 80% indica strain with a delicious taste and strong effects. This cultivar may not have the highest THC content (16%), but it sure packs a punch by delivering a potent sedative effect and a deeply relaxing yet happy high. 

Blueberry Feminized Seeds

Blueberry marijuana seeds may be known for its tantalizing aroma and flavor, but trust us, this strain is more than its terpenes. Although technically a hybrid, Blueberry is a powerful indica that delivers a euphoric high.

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The Blueberry strain is best grown indoors because you can control and optimize the growing environment for optimal yields. If you’d prefer to grow Blueberry outdoors, this cultivar prefers sunny climates with plenty of fresh air. 

Blueberry cultivar profile

Plant type 80% indica 20% sativa
THC Up to 16%
CBD Insignificant amounts
Difficulty Easy
Climate Indoors | Steppe | Mediterranean
Plant size Compact
Vegetative stage 3 to 4 weeks
Flowering time 7 to 10 weeks
Yields 5 to 15 oz per plant
Taste and Smell Berry | Earthy | Fruity | Pine | Sweet
Effects Euphoric | Happy | Relaxed | Sleepy
Awards Cannabis Cup Winner
Terpenes Caryophyllene | Myrcene | Alpha-Pinene | Beta-Pinene | Linalool

Read our full strain review of Blueberry, or shop for Blueberry feminized seeds and Blueberry autoflower seeds.

Purple Punch

Purple Punch is an 80% indica strain with THC levels of 20% and upwards and CBD levels of 1%. Purple Punch is a potent strain with a tropical, delicious taste and strong effects. The deeply relaxing high calms the body and mind—perfect for busting stress. 

Purple Punch Feminized Seeds

The Purple Punch weed strain hails from the tropical island of Hawai'i. This hybrid is 80/20 indica dominant and first bred by Supernova Gardens in Kauai, Hawai'i.

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To maximize your Purple Punch plants, it’s best to grow them in a Mediterranean climate with plenty of sunshine and warmth. You can expect your plants to flower in 7-8 weeks. When it comes to harvest, you can yield up to 23oz per plant if grown under ideal conditions. 

Purple Punch cultivar profile

Plant type 80% indica 20% sativa
THC Up to 25%
CBD 1%
Difficulty Easy
Climate Indoors | Temperate |Continental | Mediterranean
Plant size Average
Vegetative stage 4 to 8 weeks
Flowering time 7 to 9 weeks
Yields 16 to 23 oz per plant
Taste and Smell Berry | Sweet
Effects Euphoric | Relaxed | Sleepy
Terpenes D-Limonene | Caryophyllene | Beta-Pinene | Geraniol | Myrcene

Read our full strain review of Purple Punch, or shop for Purple Punch feminized seeds and Purple Punch autoflower seeds.

California Dream

This indica-dominant hybrid strain is considered top-shelf by cannabis enthusiasts. One of the reasons is that it contains high THC levels of 20% and over. California Dream also delivers an uplifting, potent high that makes you feel euphoric and deeply relaxed.

California Dream Feminized Seeds

Are you interested in a high so good even experienced smokers call top shelf? You are going to love the herb grown from California Dream seeds!

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The California Dream strain prefers to be grown outdoors in a Mediterranean-like climate where it’s sunny with lots of warmth. You can expect flowers in as little as nine weeks and a yield of up to 21oz per plant. 

California Dream cultivar profile

Plant type 70% indica 30% sativa
THC Up to 24%
CBD Insignificant amount
Climate Indoors | Steppe | Mediterranean | Mold Resistant
Plant size Tall
Vegetative stage 4 to 8 weeks
Flowering time 9 weeks
Yields 21 oz per plant
Terpenes D-Limonene | Beta-Pinene | Caryophyllene | Myrcene | Humulene

Read our full strain review of California Dream, or shop for California Dream feminized seeds.

Cultivating potent indica-dominant strains can be a fun, enjoyable, and fulfilling experience when you know how to get the most out of your plants. For all the best tips, tricks, and information on growing cannabis, download Robert’s Grow Bible, a free 70-page grow guide.