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best indoor strain

Top 10 best indoor strains to grow

You’ve finally decided to grow some weed on your own—and you have your heart set on growing marijuana indoors. So what is the best indoor strain for your grow room? 

After doing extensive research and purchasing the required materials, the next step is to choose the best indoor strain for you.

If you wish to learn about the easiest weed to grow indoors, keep reading, we have ten wonderful recommendations to share with you. 

Top 10 best indoor strains to grow

There are many factors to consider when growing marijuana indoors—one of them is the seeds you plant. Most strains have better yields when grown outdoors, except those specifically bred for indoor cultivation. 

1. Grandaddy Purple

best indoor strain

This is one of the best weed strains to grow indoors since the plants don’t get larger than 3 feet high and have thick buds. With a THC level of 19%, this plant needs controlled humidity levels between 40 and 50% at all times. With sufficient care, you could harvest up to 17oz./m².

  • THC: 15–19%
  • CBD: 0.5–1%
  • Yield (indoors): 17.6 oz/m²
  • Beginner friendly: yes

2. Blue Dream

If you’re a beginner, this plant is one of the easiest strains to grow indoors. Blue Dream thrives in a warm controlled environment that doesn’t exceed 26°C. You can go with hydroponics or soil, and you’ll reap the same benefits. This little wonder has a THC level of 20%, and it can yield up to 21,16 oz./m².

  • THC: 16–20%
  • CBD: 0.5–1%
  • Yield (indoors): 21.16 oz/m²
  • Beginner friendly: yes

3. Strawberry Kush

best indoor strain

This sativa-dominant strain has 23% THC and is one of the best indoor cannabis strains if you love sweet flavors and strong smells. The plants can grow in any setting, but the Sea of Green method offers the largest yield. With the proper care, you can harvest up to 17,2 oz./m²

  • THC: 18–23%
  • CBD: 0.5–1%
  • Yield (indoors): 17.2 oz/m²
  • Beginner friendly: yes 

4. Zkittlez

This indica-dominant powerhouse packs a punch with a THC level of 20%. It’s a plant that grows fast and small, so it’s the easiest strain to grow indoors if you have zero experience. The largest yield you can get indoors is 17,2oz./m². The high of this weed keeps you happy for a couple of hours.

  • THC: 16–20%
  • CBD: 0.5–1%
  • Yield (indoors): 17.2 oz/m²
  • Beginner friendly: yes

5. Big Bud

best indoor strain

This classic strain has been an established favorite since the 80s’ and offers great weed with a unique sweet flavor in a medium-sized plant. The buzz offered by the 20% THC in this indica-dominant strain will surprise you, as much as its resilience and densely packed buds.

  • THC: 15–20%
  • CBD: 0.5–1%
  • Yield (indoors): 17.2 oz/m²
  • Beginner friendly: yes

6. Black Widow

When you’re hunting for the best indoor marijuana strain, a small plant that packs a punch is what you’ll find with Black Widow. This little beauty grows incredibly well in a SOG and leaves you flying with its 28% of THC. Flavor-wise you’ll experience a touch of sweetness and nuts with each toke.

  • THC: 24–28%
  • CBD: 0.5–1%
  • Yield (indoors): 15.87 oz/m²
  • Beginner friendly: yes

7. Super Skunk

best indoor strain

This is one of the best indoor strains because the care it needs it’s pretty basic. This plant grows as high as four feet tall. You might need low-stress training to make the best of the space you have available. This indica-dominant is worth the effort with its 18% THC content and citrus undertones.

  • THC: 14–18%
  • CBD: 0.5–1%
  • Yield (indoors): 21.16 oz/m²
  • Beginner friendly: yes

8. Bubba Kush

This indica dominant indoor strain can help you a great deal if you need to relax. While it has a respectable 19% THC content, it also has up to 2.48% of CBD. The plant is small, not exceeding 1-foot-long if you use SOG and maintain stable humidity levels between 40 and 50%.

  • THC: 14–19%
  • CBD: 2.48%
  • Yield (indoors): 7.05 oz/m²
  • Beginner friendly: yes

9. Northern Lights

best indoor strain

This strain is one of the best weed strains to grow indoors in sunny climates like California. This indica-dominant strain can help you with anxiety and stress. The plants can yield up to 17,63 oz./m² if your setting keeps warm temperatures between 26 and 29°C and leveled humidity at 50%.

  • THC: 14–17%
  • CBD: 0.5–1%
  • Yield (indoors): 17.63 oz/m²
  • Beginner friendly: yes

10. Super Silver Haze

The last option on our list is the most rewarding but requires a little more work—Super Silver Haze. With hydroponics and a green screen, this indoor strain could yield 21,16 oz./m². The buzz from a single toke brings your creativity to its peak for hours.

  • THC: 15–19%
  • CBD: 0.5–1%
  • Yield (indoors): 21.16 oz/m2
  • Beginner friendly: yes 

FAQ related to best indoor strains

What is the best strain to grow indoors?

There’s no written rule about the best strains to grow indoors. It depends on how much space and budget you have at your disposal. If you want to get started with something easy in a small space, go for Big Bud. If you have some experience, try some Black Widow.

What is the best yielding indoor strain?

This question depends on your expectations. The easiest weed to grow indoors for first-timers is Strawberry Kush, providing a whopping 18 ounces per square meter of delicious buds.

What is the strongest indica strain?

The contest among the best indica strains to grow indoors right now is a close call. It’s a tie between Star Killer X Do-Si-Dos and Gorilla Sherbet. Both strains have 30% THC content and CBD under 0.5%, so you’ll feel relaxed in no time.

What is the strongest sativa strain?

If you prefer strong sativa, the best indoor strains you can choose right now are Ghost Train Haze x Pellezino or Bruce Banner 2.0. Both marijuana plants have THC levels over 30% offering a mind buzz and unending waves of happiness. 

Get your setup ready and choose the best strain to grow indoors

Growing indoors isn’t a daunting task at all. Many different settings can help you yield better results. The good news is that you can find information about caring for any of the seeds you choose to grow. 

As you gain experience, you’ll learn it’s not about choosing the easiest strain to grow indoors. It’s about understanding the proper way to grow the weed you want. All the strains we recommended require different experience levels to reap their benefits. 

In the end, all of them offer a great experience to your senses, and that’s what counts.