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The Top 5 Strongest Cannabis Strains — 2020 Update

While we’ve had access to plenty of strong cannabis strains for quite some time, there are new advances in the field every day. We’re happy to present an updated list of some of the most potent varieties of the bunch. Featuring new strains like Cookies Gelato and Triple G, as well as some of the old-timers!

Determining the strength of cannabis is not always straight forward, once you have have chosen which strain you would like to use, there are also a number of factors which will affect the THC content of the bud.

The main external factors influencing the strength of your bud are: Location (e.g. indoor vs outdoor), growing medium (e.g. soil or hydroponics), nutrient levels, light source, temperature & humidity and carbon dioxide levels.

Although there are many methods of growing cannabis, they all come with a different set of pros and cons . for example, if you wanted to grow your plant under some of the UVB spectrum, you would either have to find a nice mountain close to the equator or purchase some UVB emitting LEDs. Both of these methods have problems; LED lights are rather expensive, and walking up a mountain to grow your bud will also leave you feeling pretty low on energy.

LED

Genetics also affect the strength of the plant. Genetics are what holds all the information about the plant. How much THC and CBD it produces, how it smells and tastes and how it grows. Cannabis displays a mix of traits from their parent strains just like humans.

Stable genetics produce predictable features passed down from parent strains, whereas unstable genetics can often give the offspring unpredictable features which can be difficult to manage.

Nowadays, cultivators are able to select desired characteristics of growth, appearance and effect. This can be really useful in finding a strain that’s right for you and your needs.

That being said, it’s important to take all these factors into consideration when you begin your garden so that you know what kind of strain is most suitable for you. Landrace and heirloom seeds for example, have been cultivated for centuries and have traits specific to adapting to their native environment. On the other hand, when growing indoors you may want to find a strain that is less pungent, smaller in size and more pest resilient. It is for this reason that you should have a good idea about how you intend to grow your garden before you chose your seeds.

So now we’ve got that out the way, what are the best and strongest strains out there?

COOKIES GELATO

Combining the sugary sensations of Girl Scout Cookies and Gelato, the aptly named Cookies Gelato is a recent entry on this list and has more than earned its spot. You see, besides inheriting a sweet flavour and aroma from its parent strains, it’s got a lot of THC; around 28%, to be exact. Bringing about a euphoric rush with a relaxing touch, this hybrid makes sure you don’t go too deep in one direction, even if you’re headed for the stars. Needless to say, this might not be for you if you’re a novice smoker, but those with a bit of a tolerance will have an unforgettable time with this luxury treat.

Cannabis has only become stronger with time, and these five strains are the cream of the crop when it comes to packing a THC-fuelled punch.

The Top 10 Strongest Weed Strains

While most cannabis fanatics enjoy an average THC content, there is a large group of daredevils who pursue the really potent strains. It is therefore not surprising that cannabis strains have become stronger and stronger over time. The amount of THC has increased significantly and we are seeing more and more THC-rich weed varieties on the market with a THC content between 25% THC and 30% THC.

So, what are the strongest strains of weed? High time for a top 10 of the strongest marijuana strains!

Top 10 strongest marijuana strains

  1. Godfather OG
  2. Chiquita banana
  3. Bruce Banner
  4. Sirius Black
  5. Zkittlez
  6. Acapulco Gold
  7. Girl Scout Cookies
  8. Big Bud
  9. Skywalker OG
  10. Chemdawg

1. Godfather OG

The exact origins of Godfather OG are as shadowy as a member of the mafia and Godfather OG is as powerful as a mafia boss. She is often labeled the Don of all Kush strains and it is believed that Godfather OG is a cross between Alpha OG and OG Kush.

According to the High Times, Godfather OG is the strongest weed strain in the world currently available. She won the award for best Indica at the High Times Cannabis Cup in 2013.

Her THC percentage is typically 28% to 30%, but can reach a world-class 34%. This Indica-dominant weed is therefore incredibly strong. Known for her sleep-inducing properties, she produces an intense euphoric cerebral effect accompanied by a physical effect of total relaxation – a trip not to be missed.

Growing

Godfather OG can yield up to 450 grams per m2 when grown indoors under ideal conditions. Outdoors, plants can yield up to 650 grams per m2. However, her flowering time is only 49 to 63 days. She is a great favorite among growers partly because of this.

Effects

The smell and taste of Godfather OG is unique. You will taste a piney and earthy flavor with fruity undertones.

The high is incredibly strong, starting with a powerful cerebral high that leads to long-lasting sensations of relaxation.

Godfather OG is often used by patients with a range of chronic conditions. These include insomnia, depression, anxiety, chronic pain and many mental disorders.

Note: Godfather OG is powerful enough to deliver a knockout blow. Therefore, use the weed carefully and in a low dosage.

2. Chiquita Banana

Chiquita Banana is a predominantly Sativa hybrid with a high THC content of 25 percent on average. However, her THC level can reach up to 29% and is therefore quite strong!

At the Cannabis Cup in Northern California in 2015, she finished in third place of the best hybrid strains. She is deliciously sweet and has something akin to the taste of Banana Kush somewhere.

Growing

Chiquita Banana likes to be grown both indoors and outdoors. Indoors, the plant is capable of yielding up to 400 grams per m2. When grown outdoors, her yield can reach up to 600 grams per m2.

Effects

As you would expect from a Sativa dominant high THC strain, the effect is powerful and energetic. From the weed, most users become sociable and talkative.

3. Bruce Banner

Named after the Incredible Hulk, the Bruce Banner is a must-have in this top 10 of the strongest cannabis strains.

The newest version of Bruce Banner is a cross between Strawberry Diesel and OG Kush. Her purple-green buds have a deliciously sweet taste and are extremely potent. On average the weed has 24% THC, but that can go up to 27%! A really strong weed.

Growing

When growing indoors it is advisable to keep the humidity low to protect the buds from mold. Outdoors it should be grown in light, well-drained soil.

Effects

With such a high THC content, it should come as no surprise that Bruce Banner is one of the most powerful strains. She makes you focused, happy, creative and relaxed.

4. Sirius Black

Sirius Black is an Indica dominant strain and was originally developed by The Oregon Breeders Group. It is a delightful weed with a strong aroma and taste of ruby red grapes.

Growing

As the name suggests, Sirius Black’s leaves and buds are dark in color with magical purple hues. Just like Sirius Black from Harry Potter. She has medium mold resistance and is preferably grown in a warm, dry climate. It is also a plant that you can easily put in a SoG (Sea of Green) setup (as long as you have good ventilation).

Effects

The effect of Sirius Black is uplifting with cerebral highs. She stimulates creativity, gives feelings of euphoria and often induces fits of laughter. The initial high is followed by deep sedation, relaxation and finally sleep.

These overwhelmingly strong sedative properties make her an ideal tranquilizer for insomniacs. Sirius Black is also commonly used by medicinal users for inflammation, pain and seizures.

Sirius Black is with her 25% an incredibly powerful weed that you should initially use in doses to avoid a couch-lock.

5. Zkittlez

Zkittlez is an Indica dominant strain with a high THC content that can reach up to 24%. With her sweet tropical flavors she is an incredibly tasty weed. Especially if you have a sweet tooth.

This colorful plant produces abundant amounts of terpenes that translate into a wide range of flavors. You can definitely ‘taste the rainbow’ with a multi-colored showstopper of pineapple, orange and lemon, interspersed with hints of blueberries.

Growing

Thanks to her forgiving and laid back nature, Zkittlez is generally a pleasure to grow, You can grow her indoors or outdoors, where she thrives if exposed to plenty of sunlight and water.

Effect

The weed offers physical relaxation and mental stress relief without the feeling of being nailed to the couch.

Buy now | Zkittlez seeds

6. Acapulco Gold

With Acapulco Gold you take a step back in time to the 60’s. This legendary weed with a very rich history is incredibly strong and loved by all lovers of Sativa weed.

Growing

As the name suggests, Acapulco Gold thrives in a warm and humid climate. Just like you would find in the Mexican rainforest. This is somewhat difficult to reproduce when growing indoors. We therefore recommend Acapulco Gold to experienced growers.

Effects

Acapulco Gold is a legendarily strong weed with Mexican Sativa roots. She arouses strong and unmistakable feelings of happiness that can make you feel enlightened and refreshed. A wonderful “head-high”, just as you would expect from a Sativa.

This powerful Sativa is uplifting and evokes feelings of sociability. She is therefore excellent as a party starter or icebreaker. Acapulco Gold will lift your spirits and leave you in a long-lasting state of euphoria.

7. Girl Scout Cookies

With a name reminiscent of the cookies sold by small American scouts, this weed is very popular in the US. With a typical THC level of around 23%, Girl Scout Cookies has retained the physical characteristics of OG Kush, and the intoxicating scent of Durban Poison. This hybrid is impressively strong and completes its flowering in just 49 to 63 days.

Growing

Girl Scout Cookies is an Indica-dominant weed and responds well to training methods such as Sea of Green (SoG) and Scrog. The plant is easy to grow and therefore very suitable for both beginners and advanced growers.

Effects

For an innocent sounding name, Girl Scout Cookies offers a surprisingly hard hitting effect. The body-high gradually spreads through your body, leading to long-lasting feelings of relaxation. She possesses strong sedative properties, making her a perfect weed for sleeping.

8. Big Bud

Big Bud is very popular among commercial growers because of its incomparable amount of huge buds. But that’s not all. The weed is quite strong and therefore deserves the eighth place in this top 10 with the strongest strains.

Growing

Big Bud is an undemanding plant. She has a flowering time of 49 to 63 days, which makes her a fast bloomer. Grown outdoors, Big Bud prefers a dry Mediterranean climate to a wet, humid one. She can also be grown outside in temperate climates, weather permitting.

Effects

Big Bud will lift your spirits and induce feelings of happiness and euphoria. She is Indica-dominant and results in a cerebral high while you feel completely relaxed. By the way, you will love her earthy and piney flavors and aromas of spices.

Buy now | Big Bud seeds

9. Skywalker OG

Skywalker is a hybrid cross between Skywalker and OG Kush which has resulted in one of the finest Indica dominant strains in the world.

She consists of 80% Indica genetics and 20% Sativa genetics. When grown indoors the maximum yield under ideal conditions is between 500 gr / m2 and 600 gr / m2. Outdoors, the yield can be as high as 700 gr / m2!

The weed has an unmistakable taste of diesel, lime and wood. Very earthy, but also refreshing.

Growing

Skywalker OG is suitable for growers with some growing experience. The plant has a somewhat reduced resistance to mold.

Effects

Skywalker OG induces a ‘head in the clouds’ feeling and also a couch-lock is not uncommon. The effect starts with a strong euphoric head high that gently descends into an intense and long-lasting feeling of relaxation.

10. Chemdawg

We conclude this top 10 with the strongest cannabis strains with the legendary Chemdawg.

Chemdawg is a cross between OG kush and Chemdawg 4. With that she leans a bit more towards the Sativa side which is evident during her growth. A rather large plant (especially when grown outdoors), with many branches that grow incredibly thick buds.

Growing

Chemdawg is known to be a challenge to grow. It is therefore recommended that you have sufficient experience before growing Chemdawg. Grown indoors, the yield can be as high as 500 grams per m2. Outdoors, your harvest can reach as much as 1000 grams per m2, which is well above average for a cannabis plant.

Effects

The weed has a distinct taste and smell that reminds you of pine nuts. Deliciously earthy and therefore.

The effect is best described as an intense and pleasant cerebral Sativa high effect that is followed by a light Indica body-stone. It has a relaxing high and is often used by medicinal users to relieve their depression. She is also known for her stimulation of creativity.

So, what is the strongest strain of weed in the world? Check this top 10 strongest weed strains ever and buy your seeds at Weedseedsexpress!