Strongest Weed Seeds

It's hard to pinpoint the highest THC seeds, so we have made for you a selection of high THC seeds that give buds with a high THC percentage. It's a fact that weed is getting stronger, but these cannabis strains will blow your mind. We bring you the best and strongest marijuana strains of the year. Find out which cannabis strains have the highest THC content, how they grow, and where to buy the 15 highest THC seeds online.

High THC Seeds

It’s hard to pinpoint the highest THC seeds by just looking, so we have made for you a selection of high THC seeds that give buds with a high THC percentage. Therefore, you don’t have to look for the most reputable supplier of THC seeds for sale, just take a look at our category for high THC seeds, choose seeds that suit you best, and start planting.

5 free seeds on every $100

High THC Seeds

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  • THC 18% – 24%
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Table of content

What Are High THC Seeds?

Tetrahydrocannabinol (THC) is one of the cannabinoids found in marijuana. It is the psychoactive compound that offers people the high. In the past few years, breeders worldwide have focused on developing new marijuana strains with the highest THC level because of the high demand for high THC strains.

Due to technological advancements, breeders have enhanced their knowledge by coming up with new and improved ways of growing marijuana. So, it’s not a wonder to find some marijuana strains whose THC levels rise to 30%, although rare, you can also find cannabis strains having 35% THC seeds for sale.

Why Should You Grow High THC Seeds?

We’ve witnessed a rise in the demand for the highest THC strains, which have pushed people to grow some of the highest THC seeds in the market to meet customers’ needs. Marijuana users love using cannabis for the high. You can also find that growers are willing to pay top dollar for high grade seeds for their personal growth.

An increase in demand for high THC cannabis is the reason why growers are opting to go above and beyond to get top-shelf THC seeds for sale to meet recreational customers’ needs.

How Do You Increase the Level of THC in Your Plants?

Different growers cultivate marijuana for various reasons. Some grow the highest THC seeds for commercial and recreational purposes. And most of them, their goal is to maximize the amount of THC and other useful cannabinoids in the buds. Some factors that will influence the levels in your cannabis plant and potency include:

Strain Genetics

Your seeds play a huge role in determining THC’s level in plants, so choose highest THC seeds in the market, such as Do-Si-Dos to get potent buds. For instance, if you select a plant whose genetics only produce 17 % THC at most, this means that you may get less THC and no matter what you do, your THC will never go beyond 17 %. Make sure to buy the THC seeds for sale from reputable breeders.

Plant Care

If you want your highest THC strains to give you the most potent buds and healthy marijuana plants you must provide your plants with optimal care and enough sunlight during the flowering stage. Therefore, avoid making common mistakes such as heat stress, irregular light cycles, overfeeding, overwatering. Just try to avoid extreme climatic conditions and treat your plant like a celebrity, such that it gets everything it wants.

Decreasing Levels of CO2

Cannabis growers are familiar with the ripening process, which occurs during the final phase of the flowering stage. This is the phase where your cannabis plant is producing trichomes, terpenoids, and flavonoids. If you want to elevate THC levels in your cannabis plants, you should decrease the levels of CO2 during the last weeks of the flowering period to encourage the production of ethylene. This is a natural gas that stimulates the ripening process.

Reducing CO2 forces the cannabis plants to direct the remaining ethylene and ripening of cannabis buds, which leads to increased production of trichomes. And this translates to elevated levels of THC content.

Harvesting Time

When you cultivate highest THC strains, your harvesting time plays a crucial role in determining the level of THC. If you harvest your buds too early, you run the risk of having lower yields, and the THC concentration will also be affected.

If you want to harvest your buds when they are at their highest level of THC, harvest them from the field when their resin covering the buds turns milky white, and the pistils have darkened and curled inwards. This happens 2 to 3 weeks after your plants are mature. Earlier than this, your buds have not reached their full potential.

Light

Although marijuana requires low light to grow, it will not develop potent buds if it’s not exposed to bright light during the flowering phase. Light helps in boosting bud’s growth, together with THC and other cannabinoids. That’s why you need the brightest grow lights for your highest THC strains.

Curing Process

Although it is not clear that the curing process increases THC levels, it is known that it can enhance the potency of the buds and intensify the effects of THC and other cannabinoids.

Decreasing Levels of Humidity

This leads to thirsty and stressed plants, impairing your plants’ progress and increasing your plant’s defense mechanisms. Cannabis buds are covered with a resinous layer that protects them against cold and wet weather. Therefore, when you decrease humidity levels, your buds are forced to produce more resin, thus increasing THC levels in your growing buds.

Benefits of Increased THC Levels in Your Highest THC Strains

You get more significant mental and psychoactive effects
When you stress your high grade seeds to increase THC levels, you also increase your overall yields.

Choosing High THC Seeds

There are many THC seeds for sale; therefore, growers need to select quality high grade seeds. The list below consists of the 10 best cannabis seeds:

Hellfire OG

Hellfire OG is a potent California hybrid strain. It was created by crossing Rascal’s OG Kush with SFV OG Kush. It is among the highest THC strains as its content ranges between 28 and 30 %.

Hellfire OG Kush’s highest THC seeds give rise to plants sensitive to climate changes; therefore, they must be cultivated in an indoor setting where the climate is controlled. The plant needs constant pruning, as it can get very tall. The strain flowering time lasts from 55 – 65 days and produces a bountiful harvest.

Mazar x Blueberry

Mazar x Blueberry is an Indica dominant highest THC strain created by mixing Mazar and Blueberry. The THC content in these hybrid seeds ranges between 23 – 29 %. People love this strain because of its potency.

Mazar x Blueberry high THC weed seeds grow into a short and bushy plant with thick, dense buds attributed with high yields. It is perfect for beginner growers, as it is mold-resistant and easy to look after. Dutch seeds shop always has these high THC seeds for sale in our offer.

Grandaddy x Bruce Banner

Grandaddy x Bruce Banner is a potent hybrid strain that delivers a mild head buzz with pronounced body relaxation. This Indica leaning cannabis strain is a cross between Granddaddy Purple and Bruce Banner. This delectable strain boasts a THC content averaging 26 – 28 %. It is easy to grow and has a flowering period that lasts from 56 to 63 days.

Grandaddy x Bruce Banner high THC weed seeds grow into a tall plant with high yields as each produces about 18 oz (500 gr) per plant of cannabis when they are cultivated outdoor and indoor yield of 2 oz/ft² (600 g/m²). This high THC strain can treat chronic pain, migraines, and nausea.

Alien OG

Alien OG is a popular hybrid strain that delivers psychedelic effects combined with heavy body effects. It is got by crossing Tahoe OG and Alien Kush. Alien OG Seeds are high grade seeds with THC content ranging from 22 to 28%. This amazing strain comes from California and this high THC seeds for sale are always available on our website. This Sativa-leaning strain is ideal for average growers, and the plants are short, bushy, and flowers within 63 days.

True OG

True OG strain, also known as Kobe OG, is an Indica dominant strain. This award-winning highest THC strain is from the OG Kush family. These seeds grow into medium-sized plants with a flowering period of 63 – 70 days. True OG high THC weed seeds are ideal for beginners and offer high yields.

Do-Si-Dos

Do-Si-Dos is a beauty with dark purple buds that are covered with frosty resin. It is among the highest THC strains, and cannabis lovers are taken because of the potent high. The THC content in this marijuana strain averages between 26 – 30 %. You can also find some Do-Si-Dos seeds phenotypes having 35 % THC seeds.

This Indica dominant hybrid strain is cultivated indoors and outdoor, and its flowering period lasts from 8 to 10 weeks. This strain is perfect for beginner growers, as it is easy and grows up to 3 feet (90 cm) tall. It is a high-yielding strain as each plant produces an outdoor yield of about 14 – 18 oz (400 – 500 gr) per plant.

Gorilla Glue

Gorilla Glue strain, also known as Original Glue, has won several awards in the cannabic industry. Gorilla Glue high grade seeds are a well-balanced hybrid strain that delivers a heavy-headed high with a THC content ranging between 26 – 28 %. It was created by crossing Chem’s Sister, Sour Dubb, and Chocolate Diesel.

This strain requires regular trimming to control its height and to maximize yield. It is affected by excess rain and frost, making it ideal for indoor cultivation, and you will have ready to harvest buds after a flowering period of 8 to 9 weeks. They are easy to grow for an average grower and will give you a nice yield.

White Fire OG

These high THC seeds are also referred to as WiFi OG or Simply WiFi. It is a Sativa-dominant hybrid cannabis strain that is popular among users because of its unique aroma and cerebral high. White Fire OG high THC seeds are made by crossing Fire OG with The White. It has dense buds that are barrel-shaped with THC content ranging between 24 and 28%. It is a medium-sized plant whose flowering period lasts 56 ± days.

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Moby Dick

Moby Dick is a Sativa dominant strain made by crossing White Widow and Haze. It is among the highest THC strain with THC content ranging between 24 – 27 % with a sweet citrus taste that is perfect for a smooth smoke. Cannabis growers love these high grade seeds because they are mold-resistant and produce high yields. Moby Dick high THC seeds for sale are not recommended for beginner breeders, but will reward growers who provide them with adequate conditions with buds that are above-average THC levels.

Girl Scout Cookies x Chemdog #4

Girl Scout Cookies x Chemdog #4 high THC seeds offer users the best features of the two highest THC strains. These high grade seeds grow into medium-sized plants with a flowering time of 56 to 63 days. It’s an Indica-dominant strain best for average growers and offers high yield with each plant producing about 17 oz (500 gr) and 1.3 – 1.6 oz/ft² (400 – 500 g/m²) when you grow them indoors.

FAQ About High THC Seeds

Is it legal to grow high THC seeds?

Although cannabis is legal in many countries, there are still some countries where it is restricted. For instance, in the United States, high CBD strains or Hemp are federally legal, but high THC strains are legal in some parts of the country. So, before growing marijuana highest THC strain, you need to familiarize yourself with your state laws.

What is the difference between high THC seeds and high CBD seeds?

You may be wondering whether growing High THC seeds is the same as cultivating high CBD seeds. Although the processes are almost similar, they have some small differences. THC and CBD concentration is the most significant difference variation between high CBD seeds and high THC seeds.

CBD is also federally legal in the United States, while THC is only legal in some states. When growing high CBD seeds, you have to be careful to make sure that the level of THC does not exceed the stipulated amounts. But with high THC seeds, growers try their best to maximize the level of CBD.

Final Thoughts on High THC Seeds

Although the methods used in cultivating high THC seeds and high CBD are the same, the results are totally different. Therefore, ensure that you choose the right seed genetics to achieve the desired results.

Cannabis seeds are sold to customers over the age of 21 and are sold strictly for souvenirs or storage purposes only. The cultivation and germination of cannabis seeds is illegal in most countries. We advise customers to check the laws in their country before ordering.

5 Top and Strongest Marijuana Strains of 2022

If you believe the annual reports from the National Institute on Drug Abuse, weed is getting stronger. Certainly, if you measure potency by THC content, marijuana is unquestionably becoming more potent. It was even noticeable when the average THC content of weed in 2003 was 6.4%, compared to just 0.72% in 1976.

One of the main reasons for this extra potency is the focus on producing sinsemilla, which is the tops of unfertilized female plants (these happen to contain the highest amount of THC). In the modern era, harvesters remove the trimmings and get rid of water leaves, which contain little to no THC.

It is also likely true that cannabis strain production has contributed to the greater strength of pot; growers prefer marijuana strains with high cannabinoid levels, and today, the strongest selections are hybrid crosses of well-known strains.

DID YOU KNOW: THC levels averaged an estimated 6.4% in 2003, while in 2018 most estimations were above 15%?

Moreover, we are uncovering stronger combinations on an almost daily basis. Back in the halcyon days of the 1960s and 1970s, finding weed with a THC content of over 10% was a rarity. Today, a significant number of strains have well over 20% THC.

If you are seeking a serious high, all of the above is fantastic news. The question is: What are the world’s strongest marijuana strains? Keep reading to discover our 5 top picks.

5 Best and Strongest Marijuana Strains of the Year

Realistically speaking, the following strains are not necessarily “new” strains for this year. Rather, several of them are OG classics that have simply “evolved” with the times to contain more and more THC over the decades.

More accurately, they have been “selectively bred” over multiple generations of numerous breeders to contain only the female genetics which produce buds with the highest THC content. So, how does “selecting” for a strain with high THC content work, you might be wondering?

Well, after harvesting a crop you can “test” each individual plant specimen for its: A) flower (bud) production and B) THC content. This testing can be done in an actual HPLC laboratory where they chemically examine the THC levels, or (more commonly), can be done by smoking a sample of each plant’s flowers and seeing which one gets you higher.

When you find a plant with specific genetics that you like, simply clone that one over a new generation and voila – you’ve selectively bred cannabis for high THC content.

Anyway, without further ado here are our picks for five of the strongest and highest-potency cannabis strains for the year. There are a lot of high-THC strains out there in this day and age, but these are our personal favorites.

1 – Godfather OG (The World’s Strongest Marijuana Strain?)

According to High Times, Godfather OG is the most potent marijuana strain on the planet. This indica dominant hybrid is reported to have a THC content of over 34%! Since it is an activated THC value, there is a good chance that the figure is conservative.

Godfather OG is cultivated by California Herbal Remedies (CHR) and is believed to be a cross of Cherry Pie, OG Kush, and Granddaddy Purps. With this information in hand, it is no surprise that Godfather OG is often referred to as the ‘Don of all Kush’ strains. Even a typical strain should have a THC of over 25%.

Of course, strength means nothing without quality — and Godfather OG has absolutely no shortage of quality.

This strain has won the High Times Cannabis Cup for best indica strain in the past, and when you smoke the bud, it will hit you with an incredible cerebral high that soon results in a whole-body euphoria. Users tend to feel calm and happy, with the euphoric effects oozing over both mind and body. Godfather OG provides you with a feeling of total relaxation, and could ever render you immobile or couch-locked for the afternoon, such is its potency.

2 – Chemdawg (The Pungent Marijuana Strain)

Chemdawg previously held the record for highest THC content when it won the coveted Cannabis Cup title with a THC level of 32.13%. Cultivated by Next Harvest in Denver CO, it is one of the most mysterious marijuana strains. People know little about its genetics or history. However, rumor has it that Chemdawg is a cross of a Thai and Nepalese sativa.

Whatever its ancestral lineage, it should go without saying that Chemdawg is not for the newbie. It is an indica dominant hybrid (55%) renowned for its pungent scent. This aroma carries more than a hint of diesel. In fact, this strain is used to create Sour Diesel — another one of the world’s most popular (and potent) marijuana strains.

When you smoke Chemdawg, it will provide you with a wonderful cerebral high that is incredibly enjoyable — that is, once you know how to handle it!

The nugs have a powerful relaxing effect that is ideal for calming down a mind that tends to race. And furthermore, if you are stressed at work and need something to help you chill out, research shows that strains like Chemdawg are perfect because of their uplifting effects.

Moreover, it is also a strain conducive to creativity and has been a preferred favorite among artistic types for many, many years in California and the West Coast in general.

Want to learn more about the Chemdawg Strain? Check out this comprehensive Chemdawg review. We’ve also explained how it can help you!

3 – Irish Cream (This Marijuana Strain is the Real McCoy)

This is yet another case of “selectively breeding” to yield an exceptionally powerful marijuana strain. Mighty Irish Seeds developed Irish Cream. It is an indica and a crossbreed of Real McCoy and Cookies and Cream. The result is a strain that the company claims clocks in with an average THC content over 27%.

If you smoke this strain with the belief that it will taste like Bailey’s, though, you’re in for a disappointment as it offers classic, dank weed flavors instead. You will find that this bud offers the taste of fresh herbs and pine, and while it doesn’t taste quite like the Sweet Cream strain, it is nonetheless a pleasant experience.

Irish Cream is an extremely potent strain which means it could help with the relief of anxiety, depression, stress, and even chronic pain. The initial high is mostly cerebral, but soon you’ll feel happy, relaxed, and sociable all at once. Eventually, your body starts to feel the effects and you’ll begin to feel sedated and ready to hit the sack for a deep, naturally healthy night’s sleep. This is what we like to call a “carefree” strain, due to the fact that it is ideal for evening and night time use.

4 – White Tahoe Cookies (This Marijuana Strain is the New Kid on the Block)

This exciting new strain was initially grown by Kush4Breakfast and is a cross of The White, Girl Scout Cookies, and Tahoe OG, so the name of the hybrid became obvious to the creator. White Tahoe Cookies has become extremely popular on the West Coast, according to its breeders, and its THC content clocks in at over 27% — making it one of the world’s strongest as a whole.

This is an indica-dominant strain (roughly 70%) and is one of the most aesthetically-pleasing marijuana strains around. Archive Seed Bank is the distributor of White Tahoe Cookies. It is certainly worth trying if only so you can enjoy the sweet, flavorful notes with obvious OG undertones.

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In terms of effects, it may shock you how quickly White Tahoe Cookies starts to hit the senses. Within minutes, you should feel euphoric, and your mind should become filled with great ideas because this strain is fantastic for creativity.

In fact, all it needs is a single toke to understand that you’re dealing with a potent monster of a strain.

Ultimately, you will feel a relaxing body buzz that turns into a feeling of sedation. The high sometimes lasts for hours. For this reason, make sure you’re safely wrapped up in bed. (And of course, this particular effect makes it one of our absolute favorites for insomnia and other sleep issues!)

5 – Strawberry Banana (The Marijuana Strain That Tastes Like Dessert)

This indica dominant hybrid (70%) is a cross of Crocket’s Banana Kush and Strawberry Bubblegum, and was developed by those crazy creative geniuses at Serious Seeds. It is a mainstay on the High Times ‘Strongest Strains on Earth’ list, selected three years in a row. On at least one phenotype of the strain (a specimen grown by Greenwolf LA & Green Country Rebellion), average THC levels of 31.62% were detected by the growers.

In all honesty, however, the average THC level of this strain is probably closer to 26-28%. This still makes it one of the most reliably potent marijuana strains in the world. Strawberry Banana, known for its incredible taste, is akin to, erm, strawberries and bananas. The taste is accompanied by an amazingly sweet and fruity scent, as well as a delicious banana exhale.

Don’t let the “tropical” name of Strawberry Banana fool you; with max THC levels pushing 32%, it is an expert-only bud that packs a serious punch.

Strawberry Banana begins with a cerebral head high, and ensures you feel relaxed and focused throughout the entirety of the experience. Eventually, you will feel sedated and possibly even couch-locked. This is a fantastic strain to handle chronic pain, and according to certain studies, strains like Strawberry Banana are also suitable for users suffering from depression, PTSD, and insomnia.

Final Thoughts: The World’s Strongest & Best Marijuana Strains for the Year

Whatever strain you decide to try, remember that the terms ‘strong’ and ‘potent’ don’t always have to mean ‘high-quality.’ We have worked hard to find (what we expect to be) the world’s most powerful marijuana strains of the year. These strains lead the way today in terms of a kick-ass high. Plus these strains can lead to a memorable and enjoyable experience for many years to come.

Naturally, you can expect this list to change regularly year-by-year. Growers find new and improved ways to boost marijuana potency frequently. Realistically, how long will it be before a strain appears that produces buds with 40% THC? Will this be the year? We can’t wait to find out!

If you are looking for some of the highest THC strains on the market. Ones that will blow your mind, then you MUST check out these 5 High THC Strains.

The Highest THC Seeds

An in-depth review of the 15 highest THC seeds available. Discover a world filled with bone-crushing indicas and psychedelic sativas and find high THC seeds for sale.

When you want weed that will knock you off your feet, there’s no better choice than high THC seeds.

Cultivators worldwide prioritize high THC seeds because most cannabis enthusiasts seek the most potent strains available. Whether for medical or recreational purposes, the concentration of THC is paramount.

Many medical marijuana patients seek weed that contains upwards of 30% THC to nip discomfort in the bud. Alternatively, recreational marijuana enthusiasts seek cannabis that exceeds the 35% THC mark to explore the mind’s boundaries. Regardless of your reason, choosing a strain with high THC is almost always an excellent choice.

High THC seeds, however, are not easy to come by. The vast majority of the highest THC strains are not for sale because they are closely guarded. Due to their rarity, high THC strains typically form the backbone of a cannabis seed company’s catalog.

Furthermore, the highest THC strains are kept as an ace-in-the-hole during cannabis competitions, such as High Times or Spannabis. Overall, you’ll be hard-pressed to coerce a breeder to give up a legendary cutting of a high THC strain.

Luckily for you, a handful of coveted high THC seeds are available — if you know where to look. Read along to discover the criterion to select the highest THC seeds for your needs.

How to Choose The Highest THC Seeds

As a cultivator, you must search for a cannabis strain that ticks all the boxes — not just THC potential. What use is a high THC strain if it tastes terrible, or worse, yields a handful of grams?

Overall, the point is to find the highest THC strains that’ll put you down-for-the-count while being enjoyable to grow and experience.

Now, let’s take a look at the different aspects that you must consider before you buy high THC seeds.

THC Level

If you want high THC seeds, this is the first aspect that you need to look at.

Sure, 25% THC is potent, but why not find seeds that contain 35% THC? Once again, it’s all about you. Therefore, only you can decide if a 20-30% THC strain is right for your needs.

Effects

Are you searching for an indica, sativa, or hybrid?

The type of cannabis strain makes a massive difference, so you must choose accordingly. The last thing you want is to grow a psychedelic sativa only to realize you suffer from anxiety.

Overall, you must look at the effects of a high THC strain and determine if it produces results that you will enjoy.

Grow Difficulty

The grow difficulty of a strain is a vital aspect to consider.

If the high THC seeds that you purchase are challenging to grow, your overall experience will suffer — let alone the final yield. In other words, you must choose high THC seeds that match your skill level.

Terpene Profile

Terpenes make the world-go-round.

Nobody enjoys bland weed that doesn’t smell or taste like anything. Therefore, you must choose high THC seeds that contain a unique terpene profile.

Uniqueness and Personal Preference

Whether it’s for bragging rights or because it’s a personal choice — there’s nothing like growing high THC seeds that no one else has.

You must understand what you want in a cannabis seed with high THC potential.

Value for Money and Effort

Ultimately, you must decide if the high THC seeds in your shopping cart are worth your money, time, and effort.

The 15 Highest THC Seeds

Everyone is different.

In our years in the cannabis industry, we’ve seen it all, from cannabis veterans with iron-lungs pass out after a one-hit-quit to beginners burning down entire joints without feeling anything. The point is — every person reacts differently to THC.

With our experience in mind, we’ve curated a list of the 15 highest THC seeds that’ll make your mind soar through the clouds or blackout on-the-spot.

From blackouts, couch-locks, and tripped-out effects — our list of the 15 highest THC seeds is a must-read.

#15 Fruity Pebbles

Fruity Pebbles is a mouth-watering treat that packs a flurry of punches that will leave you utterly dazed.

On average, Fruity Pebbles seeds contain 18-22% THC. However, specific phenotypes may carry upwards of 24% THC. Therefore, one of your random Fruity Pebbles seeds may have a high THC trait that shouldn’t be missed.

Furthermore, Fruity Pebbles stays true to its name. Fruity Pebbles’ indica-dominant buds are decked-out in palate-pleasing terpenes that’ll make you come back over and over again.

From a cultivation standpoint, Fruity Pebbles offers growers massive yields, fast flowering times, and, ultimately, a comfortable growing experience.

If you’re ready to fill your bowl with potent Fruity Pebbles weed, look no further than these high THC seeds.

#14 AK-47

Although AK-47 weed isn’t as menacing as the actual object it’s named after — it’ll blow your mind away. If you’re on the hunt for a sativa-dominant strain that boasts cerebral effects, these high THC seeds are it.

AK-47 isn’t only renowned for its heavy-duty potency and how easy it is to grow. Whether you’re a beginner or a professional that grows indoors or outdoors, AK-47 seeds never fail to get the job done.

Once you finish harvesting AK-47’s trichome-rich flowers, prepare yourself for a mouthful of honey, white pepper, cardamom, and pine sap. As the flavors escape your mouth, an urge to dance, jump, and howl-at-the-moon will overtake you.

If you need the highest THC strain to get the party started, look no further than AK-47 seeds.

#13 Chemdawg

Are you looking for high THC seeds that offer copious resin coverage, record-breaking yields, and long-lasting effects?

Meet Chemdawg (or Chemdog) — the California hybrid that’s coveted by indoor and outdoor growers worldwide.

After years of experience with Chemdawg, we can say without a doubt that this strain is a genuine crowd-pleaser. Cheshire cat grins to body-numbing relaxation, Chemdawg is a versatile strain that packs a THC department punch.

Beginners beware — Chemdawg buds are loaded to the brim with THC potential. If you overindulge, you might find your mind floating into the sky while your body gets buried in the ground. However, if you’re after a cannabis strain that offers a cash-crop potential while maintaining an exceptionally high level of THC — Chemdawg seeds are a must-buy.

Up to 25%
Mostly Sativa
Medium to Difficult
Euphoric, Energetic, Creative
8-10 Weeks
400-500g
Feminized

#12 Nitro Lemon Haze

Nitro Lemon Haze is a high-octane sativa-dominant hybrid that you need if you’re into potent cerebral effects with a relaxing twist.

Sativa-loving cultivators enjoy Nitro Lemon Haze for its robust yield. Furthermore, Nitro Lemon Haze flowers as fast as most indicas. At 9-weeks, you’ll find yourself bathing in the emerald green buds that Nitro Lemon Haze provides.

If you enjoy deep citrus flavors with a skunky finish, Nitro Lemon Haze weed will win you over from the first puff. From clear-headed creativity to a lasting body-buzz, the Nitro Lemon Haze strain is the perfect option for cultivators searching for high THC seeds with a sativa-kick.

#11 Durban Poison

Durban Poison is for the sativa-heads that want to take a trip. Luckily for you, you won’t need to pack any bags when you jump on the Durban Poison express.

Durban Poison is an heirloom sativa strain, and it’s filled with psychoactive THC as you’ve never experienced before. With a maximum THC content of 26%, extreme caution is advised when indulging in this hard-hitting landrace. However, the average THC content of Durban Poison is between 19-22%.

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Durban Poison checks all the boxes, from the ease of growth to a significant yield. Furthermore, Durban Poison tastes delicious and smells of sweet-spice-and-everything-nice.

Allow Durban Poison weed to electrify your mind with energy, creativity, and enough laughter to hurt your sides. Ultimately, Durban Poison is a legendary strain that offers a unique blend of sky-high THC content and enjoyable effects.

19-22%
Pure Sativa
Medium to Difficult
Uplifted, Creative, Euphoric
12-14 Weeks
500-600g
Feminized, Regular

#10 Neville’s Haze

There are two things you need to know about Neville’s Haze.

First, Neville’s Haze is one of the world’s strongest weed strains that you can find in seed form. Second, Neville’s Haze deserves a warning sign to warn of its extreme potency.

If you’re the adventurous type that smokes first and asks questions later — Neville’s haze is right up your alley. Being one of the highest THC strains, Neville’s Haze enjoys a reputation that few cannabis varieties experience.

Although Neville’s Haze isn’t easy to grow, it provides cultivators with massive yields, mind-crushing potency, and a terpene profile dipped in haze. Remember, Neville’s Haze seeds grow tall and take upwards of 14-weeks to flower. Neville’s Haze is just right for you if you don’t mind a commitment.

Be warned — Neville’s Haze takes no prisoners. Once you exhale, prepare for a mental rollercoaster that doesn’t seem to quit.

19-22% +
Mostly Sativa
Medium to Difficult
Euphoric, Energetic, Creative
12-14 Weeks
500-600g
Feminized, Regular

#9 Banana Kush

Bananas and Kush — what’s not to like?

Banana Kush is, by far, one of the strongest medical strains available. If you’re a medical marijuana patient that needs to reduce pain, insomnia, and stress — Banana Kush seeds are all you need.

Furthermore, Banana Kush is an easy strain to grow. Cultivating Banana Kush plants is straightforward; however, it does grow slowly. As long as you can provide Banana Kush with 3-weeks of vegetative growth, you will be rewarded by robust plants that can hold the hefty flowers.

The terpene profile of Banana Kush is, you guessed it — filled with ripe banana, spice, hashish, and sweet floral undertones. The effects of Banana Kush are characterized by uplifting creativity, body-numbing relaxation, and pure bliss.

However, don’t underestimate Banana Kush. At 27% THC, Banana Kush is ranked as one of the highest THC strains.

Up to 27%
Indica-Dominant Hybrid
Medium
Euphoric, Relaxed, Uplifted
8-10 Weeks
500-600g
Feminized, Autoflower

#8 Gelato

Pioneered by none other than Cookie Fam, the Gelato stain is as high-end as cannabis gets.

Anytime we’ve cultivated the Gelato strain, we’re always impressed by the avalanche of resin. From industry professionals to hobby gardeners, Gelato weed never fails to impress. In other words, if you’re after high THC seeds that produce photogenic buds — look no further than Gelato seeds.

You would think that a strain this impressive would be nearly impossible to grow. However, Gelato is one of the most straightforward strains to grow and is perfect for beginners and pros alike.

Indoors or outdoors, Gelato is loaded with dessert-like terpenes that will make you drool. As far as effects, Gelat’s sky-high THC content will melt your mind and body into a puddle of bliss.

#7 Wedding Cake

If you’re ready to tie the knot with one of the highest THC strains, look no further than Wedding Cake.

Wedding Cake has all the right ingredients — upwards of 25% THC, decadent terpenes, and incredible effects. Furthermore, anyone can grow Wedding Cake seeds. Whether you’re a commercial cultivator or a home gardener, Wedding Cake produces picture-perfect buds in no time.

Wedding Cake excels in both indoor and outdoor environments. However, Wedding Cake’s bag appeal produces fireworks when cultivated indoors. Luckily, Wedding Cake plants grow short, which makes it perfect for the SOG or ScrOG technique.

Wedding Cake’s flowers drip with resin as if they were dipped in confectioners sugar. Although Wedding Cake is a delicious strain, we’ll be surprised if you can remember your name after a second hit.

22-25%
Indica-Dominant Hybrid
Easy
Uplifted, Creative, Relaxed
8-10 Weeks
500-600g
Feminized, Autoflower

#6 Girl Scout Cookies

Girl Scout Cookies is the ultimate never judge a book by its cover strain.

Although the name sounds friendly, Girl Scout Cookies will lay you out after a single hit. If you’ve never experienced GSC’s potent embrace, prepare yourself for intense relaxation and a mindful buzz that’ll keep you coming back for more.

Girl Scout Cookies is one of the highest THC strains, so if you’re after strong cannabis seeds, this is it. With an average concentration of 22% THC, Girl Scout Cookies surprises even the most seasoned tokers. For instance, if it’s too strong for Wiz Khalifa, then you can bet GSC is one of the strongest indica strains in town.

From a cultivation standpoint, Girl Scout Cookies is a moderately difficult strain to grow. However, it performs great in both indoor and outdoor environments. Furthermore, GSC’s yield is exceptional for such a connoisseur-grade strain.

If you’re ready to experience some of the strongest weed around, it’s time to find these high THC seeds for sale.

22% +
Indica-Dominant Hybrid
Medium
Sleepy, Relaxed, Uplifted
8-10 Weeks
400-500g
Feminized, Autoflower

#5 Gorilla Glue #4

Gorilla Glue is the ultimate mind scrambler.

Gorilla Glue is considered as one of the highest THC strains at over 25% THC. If you’ve been wondering what is considered a high THC strain — Gorilla Glue #4 is it.

The effects of Gorilla Glue #4 are incredibly disorienting, energetic, and full of euphoria. Gorilla Glue #4 is one of those strains that you can’t accomplish much — except decimate a pizza or play video games for hours on end.

Furthermore, Gorilla Glue #4 can numb the body instantly, making it one of the strongest medical strains around. Whether you’re searching for high THC seeds for recreational or medical purposes, Gorilla Glue fits the bill.

#4 THC Bomb

Not only will THC Bomb’s delicious terpene profile detonate your taste buds, but the sheer potency will blow your hair back.

THC Bomb ranks high in our highest THC strains list because it offers well over 22% THC. Furthermore, its massive yield potential means you’ll have enough potent weed for the long months ahead. Whether you’re a commercial cultivator or hobby gardener, there’s nothing like having a stash of ultra-strong weed at the ready.

THC Bomb is incredibly vigorous, so sit back, relax, and watch THC Bomb explode with growth. Once you harvest THC Bomb’s resin-filled flowers after 10-weeks, prepare yourself for its bunker-busting effects.

The initial blast is filled with profound euphoria, followed by aftershocks of blissful relaxation. When you’re on the hunt for high THC seeds, look no further than THC Bomb.

#3 Sunset Sherbet

Sunset Sherbet is so strong that you’ll be speaking French in no-time.

Commonly known as Sunset Sherbert, Sunset Sherbet is hailed as one of the best cannabis strains of all time. One of Sunset Sherbet’s notable traits is its ultra-high THC content. At 25% THC and above, Sunset Sherbet is some of the most potent marijuana you’ll ever experience.

Furthermore, Sunset Sherbet’s buds are gorgeous and decked from top to bottom with resin. However, Sunset Sherbet’s beauty and terpene profile are deceptive. As you fall into a trance with Sunset Sherbet’s buds, you may take one hit too many.

Remember, Sunset Sherbet is one-hit-quit weed, so you must start slow.

Aside from Sunset Sherbet’s outrageously relaxing nature, it’s easy to grow. We can’t stress it enough — Sunset Sherbet wins on all fronts, from yield potential to flavor.
Sunset Sherbet’s ultra-high THC seeds sell out quickly, so if you find these high THC seeds for sale, don’t sleep on them.

#2 Godfather OG

If you want to get beyond stoned, there’s an indica-dominant hybrid that will make you an offer you can’t refuse.

Meet Godfather OG – the Don of all OGs that’s awash in mind-blowing levels of psychoactive THC. If you want dense, golf-ball like nugs that will make you sleep with the fishes, there’s no other choice than to find these high THC seeds for sale.

Of all the great traits that Godfather OG possesses, many cultivators enjoy how easy it is to grow Godfather OG plants. Whether you’re a beginner or a green-thumb, you now have access to one of the strongest indica strains on this planet.

As a cherry-on-top, Godfather OG presents crystal-coated flowers that smell and taste divine. As your lungs exhale the thick smoke from Godfather OG, you’ll enter a realm filled with happiness and relaxation.

With upwards of 28% THC, there’s no reason not to join the Godfather OG family.

#1 Bruce Banner #3

When you want the strongest weed possible, look no further than Bruce Banner #3.

Bruce Banner #3 is known to test as high as 30% THC, with an average of 25% THC. Bruce Banner has won countless awards, primarily in the strongest sativa strain category. If your primary goal is to find high THC seeds — you’re in luck if you can find Bruce Banner’s high THC seeds for sale.

However, Bruce Banner #3 is not one-sided.

Bruce Banner #3 offers more than just sheer potency, as it provides a mouthful of delicious terpenes and outstanding bag appeal. Furthermore, Bruce Banner #3 produces a Hulk-like harvest — indoors or outdoors.

The effects of Bruce Banner will knock your mind out of the ballpark. The initial rush of euphoria and energy will make you think twice about underestimating weed ever again. As your mind hits Mach 3, the body eases into an unparalleled relaxed state. Overall, Bruce Banner #3’s mixed effects are crazy-potent and should be left to brave cannabis enthusiasts.

25% +
Sativa-Dominant Hybrid
Medium
Energetic, Creative, Focused
8-10 Weeks
500g-700g
Feminized, Autoflower, Regular

Conclusion

With 15 of the highest THC strains at your fingertips, which are right for you?

As you can see, each of these high THC seeds is filled with unique traits, from bag appeal to yield potential. Depending on your preference, one or more of these high THC seeds will happily grow in your garden.

Remember, each of these high THC seeds contains a ridiculous amount of psychoactive THC, so always start slow. When indulging in some of the highest THC strains, the mantra of less is more is incredibly relevant.

If you have come this far, you are probably still looking for your favorite seeds…
Fortunately, we have reviewed dozens of other varieties of cannabis seeds of different types that can significantly suit your needs!