Top 7 Indoor Weed Strains to Grow & Try in 2021

We’ve collected some of the best indoor weed strains for enthusiasts, novice growers and experienced growers to try and experience before the year is over. 

These are some of our favourite indoor cannabis strains, renowned for their impressive medicinal qualities, recreational effects, enticing bud and mouth-watering flavours.

We cover everything you’ll need to know about them, from their lineage, to their flavour and aroma profiles, indoor yields, THC, CBD, and CBG levels.

Dive into our top 7 indoor weed strains to grow and try in 2021, below!

Table of Contents

1. Slurricane

Slurricane is the incredible result of crossing two top weed strains – Do Si Dos and Purple Punch. 

Slurricane is an indica dominant strain that’s ideal for kicking back and relaxing, and helps to treat insomnia, anxiety, pain and other medical issues. 

It packs a well rounded high with potent THC levels, and aroma and flavour profiles consist of sweet fruity notes, including grapes and berries. 

The bud is visually stunning, with bright greens, complemented by dark purple hues, orange hairs and abundant trichomes. 

As an indoor grower, you can expect Slurricane to produce roughly 400+grams per square metre under the right conditions.

Type

Indica Dominant 

60% / 40%

THC - High

Average: 24%

 

CBG - Low

<1%

CBD - Low

<1%

Indoor Yield

450g per square metre

Flowering period

9 weeks

2. Wedding cake

Wedding cake is a popular indica dominant hybrid strain, and is the wonderful end result of crossing Cherry Pie and Girl Scout Cookies.

Wedding cake provides a euphoric but relaxing high, ideal for treating pain, insomnia, lack of appetite and anxiety. 

Wedding cake features high THC levels and produces dense buds that are coated in thick layers of trichomes.You can expect hits filled with spicy rich notes, and a creamy feel on the palate on the exhale.

Indoors, under the right conditions,t Wedding Cake can produce roughly 500+grams per square metre. A heavy hitter and heavy producer. 

Perfect for any strain collector, or grower looking to kick things up a notch.

Type

Indica Dominant 

60% / 40%

THC - High

Average: 25%

 

CBG - Very Low

<1%

CBD - Low

<1%

Indoor Yield

500 grams per square metre

Flowering period

7-9 weeks

3. Gorilla Glue #4

Gorilla Glue #4, also known as original glue, is a classic award winning strain that is still popular to this day. 

GG4 is a potent hybrid strain, 65% sativa and is made by crossing Chem’s sister, Sour Dubb, Sour Diesel and Chocolate Diesel.

Gorilla Glue #4 provides a full body high, despite its sativa dominance, and uplifting, cerebral effects. Perfect for the end of a busy workday or a weekend chill.

GG4 features high THC levels (around 25%) when grown under the right conditions. Buds are dense and spongy, with rich green hues complemented by sparkling orange hairs.

Its flavour and aroma profiles consist of sweet, earthy notes, and hints of chocolate and coffee – producing a flavourful smoke. 

Indoors, under the right conditions Gorilla Glue #4 can produce up to (and more than) a whopping 500+grams per square metre.

Type

Sativa Dominant 

65% / 35%

THC - High

Average: 18-25%

CBG - Very Low

<1%

CBD - Low

<1%

Indoor Yield

500 grams per square metre

Flowering period

8-9 weeks

4. Blue dream

Blue dream is a renowned strain, balanced hybrid that is the dreamy result of crossing Blueberry and Haze.

Blue dream provides a cerebral high and heightened focus due to the strain’s slight sativa dominance. Ideal for daily activities, providing a cerebral initial high, followed by a hazy, completely calm state of mind. 

Blue dream is great for treating chronic fatigue, depression, lack of appetite and pain. It isn’t recommended for anxiety-sufferers.

Blue dream features high THC levels when grown under the right conditions. Buds are long and bushy, with blue hues, amber and amber hairs – and milky white trichomes. 

Its flavour and aroma profiles consist of sweet berry notes and provides a delicate smoke. 

Indoors, Blue Dream can produce over 550+grams per square metre. The plants grow tall so be sure to keep enough space handy. 

Blue dream is also ideal for outdoor growers, and provides impressive yield with a lower level of maintenance. Outdoors, Blue Dream can reach up a lofty 13 feet in height

Blue Dream is a cannabis strain appreciated by novice and experienced growers alike.

Type

Indica/Sativa Hybrid

50% / 50%

THC - High

Average: 17-24% +

CBG

2%

CBD - Low

<1%

Indoor Yield

550+ grams per square metre

Flowering period

8-9 weeks 

5. Girl Scout Cookies

Girl Scout Cookies is a classic, multi-award winning strain, well known for its interesting name, and is a result of crossing OG Kush and South Africa’s landrace strain Durban Poison. 

Girl Scout Cookies provides a relaxing high, with waves of euphoria and lots of laughs. 

GSC is ideal for treating chronic pain, muscle tension, cramps, inflammation and insomnia – due to its powerful sedative properties

Girl Scout Cookies features THC levels as high as 25-28%, with 1% CBN and CBD content. The buds are dense and light green, with purple hues.

GSC’s flavour and aroma profiles consist of creamy dessert notes, with elements of sweet cherry, mint and citrus. 

As an indoor grower, you can expect Girl Scout Cookies Dream to produce  around 250-300grams per square metre under the right conditions.

girl scout cookies

Type

Indica Dominant 

60% / 40%

THC - High

Average: 19-25% +

CBG - low

1%

CBD - Low

<1%

Indoor Yield

250-300 grams per square metre

Flowering period

9-10 weeks 

6. Amnesia Haze

Amnesia Haze is a cannabis cup winning strain as well known in the streets of Amsterdam as it is any home around the world. 

Amnesia Haze is composed as a result of crossing Haze, with several different landrace strains – Thai, Hawaiian, and Afhani. 

Amnesia Haze provides a well rounded, cerebral high, with an energetic buzz. 

It’s effective for increasing concentration, useful for ADHD sufferers, but there’s enough indica blended to provide a backbone of relaxation. 

Amnesia Haze features high THC levels and low CBD and CBN levels. This strain has a pungent aroma profile and flavour profile including woody notes, complemented by spicy and citrus elements. 

Amnesia Haze’s buds are tapered and compact but dense, and are light green with dark orange pistils. 

Indoors, Amnesia Haze can produce around 500-600grams per square metre under the right conditions. 

Outdoors, Amnesia Haze can produce over 25 ounces (700grams).

Northern Lights cannabis Strain

Type

Sativa Dominant 

80% / 20%

THC - High

Average: 18-25% +

CBG - low

1%

CBD - Low

<1%

Indoor Yield

500-600 grams per square metr

Flowering period

10-11 weeks 

7. Northern Lights

Northern Lights is a heavy Indica dominant strain, made by crossing strains Afghani and Thai. 

An incredibly famous strain, Northern Lights produces a well balanced, potent mind and body high that is euphoric and sedating.

Northern Lights is ideal for relieving symptoms associated with depression, stress, pain, and insomnia. Northern Lights features high THC levels, as well as low CBD and CBN levels. 

Its flavour profile contains sweet and spicy notes, leaving a smooth palate on the exhale, and the aroma of its flowers is earthy with notes of pine. 

Buds are dense and resinous, and Northern Lights is a heavy producer. Under the right conditions, Northern Lights can produce up to 550+grams per square metre. 

Northern Lights is easy to grow, and is a pest resistant strain that can grow to a lanky but stocky 6.5 feet in height outdoors.

Type

Sativa Dominant 

95% / 5%

THC - High

Average: 18-25% +

CBG - low

1%

CBD - Low

<1%

Flowering period

7-9 weeks 

Discover more cannabis news & resources

With those strains in mind, you must be raring to go – but before you go, you’re welcome to explore more cannabis news and industry resources, and we have a similar post you’ll enjoy – the Best Outdoor Strains for 2021

You can also join our mailing list to keep in touch with cannabis news in South Africa, and around the African continent, from Cannabiz Africa!

If there’s an indoor cannabis strain you’d like us to add to the list let us know in the comments.