High Thc Cannabis Seeds

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Unleash the power of Barney's Farm High THC strains, guaranteed to knock your socks off. Find out more at Barneysfarm.com THC, or tetrahydrocannabinol, is the main chemical compound in cannabis responsible for its psychoactive effects. Different strains of marijuana have varying levels of THC and it is useful to know what is considered a high amount of THC in order to choose the cannabis seeds that best suit each type of user. Our High THC Seed collection is reserved only for those feminised seeds and autoflower seeds which produce the strongest cannabis. Expect over 20% THC.

HIGH THC CANNABIS STRAINS

The High THC Cannabis Strains Collection: Experience the pinnacle of cannabis strains with these astoundingly high THC strains from Barney’s Farm. All of these seeds measure above a jaw-dropping 20% THC content in lab tests. Barney’s High THC strains are not recommended for first timers. Treat yourself to some of the most mind-blowing cannabis seeds available in the UK, Europe and many outlets worldwide.

HIGH THC CANNABIS STRAINS

GORILLA ZKITTLEZ

PINEAPPLE CHUNK

BLUE GELATO 41

PURPLE PUNCH AUTO

TROPICANNA BANANA

DOS SI DOS 33

ZKITTLEZ OG AUTO

CRITICAL KUSH

MIMOSA EVO

STRAWBERRY LEMONADE

LIBERTY HAZE

PURPLE PUNCH

GLOOKIES

GLUE GELATO AUTO

BLUEBERRY CHEESE

TANGERINE DREAM

RUNTZ MUFFIN

WEDDING CAKE

ORANGE SHERBERT

LAUGHING BUDDHA

BLUEBERRY OG

TRIPLE CHEESE

G13 HAZE

SHISKABERRY

MIMOSA X ORANGE PUNCH

PEYOTE COOKIES

PEYOTE CRITICAL

BISCOTTI MINTZ

DR GRINSPOON

LEMON TREE

BLUE SUNSET SHERBERT

MOBY DICK

GELATO #45

PINEAPPLE HAZE – REGULAR

BANANA PUNCH

RUNTZ X LAYER CAKE

AFGHAN HASH PLANT – REGULAR

KUSH MINTZ

G13 HAZE – REGULAR

Exclusive access for adults only

Content for people of 18 years of age or older, entering barneysfarm.com is reserved for people at the age of majority. In the Netherlands, the age of majority is 18 years old, check your local laws and respect them. We dispatch our marijuana seeds with the reservation that they will not be used in conflict with national laws. Customers must be aware that cannabis seeds are illegal in some countries. Barneys Farm provides these seeds on condition that they will not be taken to countries where they are illegal. Those doing so are solely responsible for their own actions and Barney’s Farm accepts no responsibility in this regard. Our online store complies with Netherlands law. Seeds are sold strictly for souvenirs, storage and genetic preservation. General legal notice: Germination is illegal in most countries, please check your country’s law regarding seeds, paraphernalia and other products related with Cannabis culture.

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High THC

THC, or tetrahydrocannabinol, is the main chemical compound in cannabis responsible for its psychoactive effects. Different strains of marijuana have varying levels of THC and it is useful to know what is considered a high amount of THC in order to choose the cannabis seeds that best suit each type of user.

There are 74 products.

Purple Punch Fem

Purple Punch Auto

Rucu Cucu OG Auto

Rucu Cucu OG Fem

Pineapple Fem

Cookies and Cream Fem

Sherbet Fem

Gorilla Glue Fem

BCN Power Plant Auto

BCN Power Plant Fem

BCN Critical XXL Auto

BCN Critical XXL Fem

O.G Kush Fem

O.G Kush Auto

Blackberry Gum Auto

Blackberry Gum Fem

Amnesia Fem

Amnesia Auto

Big Bud Auto

Big Bud Fem

Northern Lights Fem

Northern Lights Auto

AK420 Auto

AK420 Fem

Super Skunk Fem

Super Skunk Auto

White Widow Auto

White Widow Fem

Candy Dawg Auto

Golden Lemon Haze Fem

BCN Critical XXL Fast Fem

Sticky Fingers Auto

Fruit Cake Fem

Gorilla Glue Auto

Girl Scout Cookies Fem

Girl Scout Cookies Auto

Sherbet Auto

Do Si Dos Fem

Wedding Cake Fem

Runtz Fem

Gelato 41 Auto

Cookies and Cream Auto

Gelato 41 Fem

Cookies Fast Fem

Gelato 41 Fast Fem

Moby Dick Fem

Wedding Glue Auto

Bruce Banner Auto

Green Crack Auto

Wedding Glue Fem

Cultivators tend prefer marijuana strains with high cannabinoid levels. Nowadays, the strongest selections are hybrid crosses of known strains which have “evolved” with the times to contain more and more THC over the decades.

So if you’re looking for a serious high, what are the highest THC marijuana strains in the Seedstockers catalog? Here’s our top picks for high THC content seeds.

What is THC?

First, let’s start at the beginning. Of the more than 100 cannabinoids present in the cannabis plant, tetrahydrocannabinol (THC) is the primary cannabinoid responsible for the psychoactive effects of marijuana, with attributes that can range from altered perception to mood modification.

In 1946, Israeli chemist Raphael Mechoulam was the first to isolate from plant material and totally synthesize from scratch, THC. This marked the beginning of cannabis research that would lead to the discovery of many other cannabinoids, cannabinoid receptors and “endocannabinoids,” the cannabinoid compounds our bodies naturally produce to trigger our immune system response and regulate our homeostatic balance (our overall state of optimal health, function and stability).

The most abundant cannabinoid found in buds or flowers of a mature cannabis plant, is tetrahydrocannabinolic acid (THCa). THC is not actually produced by the cannabis plant but is instead a byproduct of its age and degradation. Oxygen in the air, temperatures, and humidity all play an important roll in the conversion of THCa to THC over time. We attempt to delay this process as long as possible when we are properly conserving and storing cannabis.

When THCa comes in contact with high-temperatures – like that from the flame of a lighter – the process of conversion of THCa to THC happens almost instantaneously, the user inhales what is now THC, and this results in the effects we associate with smoking cannabis. Because of this, it is impossible to ingest THCa through inhalation; in order to consume THCa it must be ingested by eating.

Phytocannabinoids, like THC or THCa, interact with the endocannabinoid system in the same way that endocannabinoids such as anandamide do: they fit into cannabinoid receptors like a key in a lock and modulating the transmission of messages from one cell to another.

THC can trigger different biochemical responses that can include everything from dopamine release, resulting in feelings of relaxation, to a physical response, such as reduced inflammation or increased hunger. It also interacts with various regions of the brain, including the hippocampus (memory), frontal cortex (thinking and decision-making) and cerebellum (physical movement and coordination).

Girl Scout Cookies Auto

Why does cannabis produce cannabinoids like THC?

Cannabinoids are known as secondary metabolites, which means that they are chemical substances produced by the plant that do not play a major role in its development, but are involved in the interactions between the plant and its environment. Therefore, the main hypothesis is that secondary metabolites act as an immune system of the plant, to defend itself against predators, parasites and pests.

However, they not only carry out these defensive tasks, but are also crucial for establishing communication and exerting effects on other plants or animals (e.g. to facilitate pollination or seed dispersal). In fact, it is theorized that THC also acts as protection from sunlight, acting as a screen that keeps the plant safe from excessive ultraviolet radiation. Cannabinoids are lipids – or fats. Hemp oil has an SPF of 6.

How is THC potency measured?

Cannabis potency refers to the amount of THC, expressed as a percentage by dry weight of the plant, present in marijuana. The THC content in different cannabis products (such as dried flower, an oil or a tincture) is also expressed in milligrams per gram (mg/g).

For example, if a variety has been analyzed at 18% THC then it can be said that the sample contained 180mg per gram of flower material. When joints or pipes and bong are used to smoke flower, there is a significant amount of loss of potency that comes from the destruction of cannabinoids from the high temperatures of combustion. Using a vaporizer device can significantly decrease the amount of THC lost in the process of consumption. Edibles are a better option still to make the most efficient use of potential THC potency.

It is impossible to have dried cannabis flowers with 100% THC. In fact, the capacity of flowers to contain cannabinoids tops out at about 30-35% total cannabinoids by weight. However marijuana concentrates made through extraction processes often contain from 50%-80% THC content. Distillates and isolates commonly reach above the 90% range. the potential THCa and THC content in dried cannabis flowers can vary from plant to plant, branch to branch, and even batch to batch of the exact same genetic or variety and can further vary depending on techniques and process for harvest, dry, and cure.

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How to select THC potency

THC has a wide range of short-term effects that may or may not be experienced depending on the individual. We are all different, with a unique endocannabinoid system. Different people may feel quite different effects even when given the same amount of THC.

For example, while some may find that THC elicits strong feelings of calm and peace, others may notice an increase in their anxiety levels. The difference may be as simple as one’s own body chemistry, but certain strains and varying concentrations of THC can also generate different results in how one feels.

With this in mind its clear that the effects of THC will be different for everyone. When choosing a strain, consider not only the THC potency, but also the method of consumption and dosage, along with personal factors such as age, gender or previous experience with cannabis. Remember to that THC potency is not the single indicator for how powerful the effects might be perceived. The synergistic effects between THC and terpene and terpenoid compounds in the flower, means that even lower potency THC flowers can hit harder than higher potency THC flowers – depending on the terpenes and terpenoids present.

The consumption of small amounts of THC can produce effects such as relaxation, greater happiness, excitement and creativity, more sociability and energy, and an increased appetite. However, consuming large amounts of THC can produce more overwhelming effects, which can become unpleasant for less experienced users, which can include feelings of tiredness, drowsiness, dry mouth, headaches, dizziness and impaired coordination.

The experienced cannabis user is usually more accustomed to the effects of THC than the occasional user, and is less likely to feel panic or anxiety after consuming a large amount.

Buy seeds with high THC content

Despite these side effects of THC, for some growers the high THC strains are the preferred strains to grow, as they provide the user with a stronger and more intense cerebral stimulation. However, answering the question of which strain has the most THC is a difficult exercise.

What potency do high THC seeds have?

For years, breeders have worked tirelessly to genetically modify plants with high THC content to produce offspring with the highest possible THC content to meet consumer demand.

In fact, THC concentration rates currently average around 16%-18%, whereas at the end of the last century, according to some studies, marijuana plants contained only 4% of this cannabinoid. The main reason is that every year the seed banks try to create more potent varieties so that their consumers can enjoy the grass to the maximum.

How much is high THC?

Weed with THC amounts above 15% might be labeled as strong. This said, cultivation and breeding techniques have evolved so far that weed testing between 20%-30% potential THC is becoming less and less rare. In fact, in legal regions such as Colorado, 29% potential THC flowers can be bought at almost any dispensary.

´It is rare to see THC levels above 25% in regions that have not taken steps towards legalizing the sale and production of cannabis. When we discuss potency percentages we have to remember that most of the cannabinoids found on flowers is going to be THCa, not THC. If an analytic report says that a sample has 26% THCa, 3% THC, and 2% CBD, for example, we can say that the flower tests at 31% total cannabinoids. The conversion of THCa to THC comes with a loss of molecular weight – what this means is that 26% THCa does not equate to 26% THC when smoked. Instead, 26% THCa means that there is a potential for 22.8% total THC, combined with the 3% already existing on the plant, this means that our 31% cannabinoid sample has a MAX potential of 25,8% THC – this is assuming perfectly efficient conversion, which of course will not happen in a joint.

Does the quantity of THC determine the effect?

While THC is the primary driver of marijuana potency, it is important to understand the role that other cannabinoids (such as CBD, CBG, THCV, CBC or CBN) can play in enhancing and shaping the effect of a strain. The entourage effect is the name given to the synergy of several cannabinoids acting together to amplify the effects.

In addition to the entourage effect of other cannabinoids, the terpene profile is also believed to play an important role in modulating the type of effect we experience. This is why cannabis growers place so much emphasis on harvesting, drying and curing to obtain the richest terpene profiles.

Therefore, a cannabis strain rich in terpenes, THC and other cannabinoids often offers a more remarkable experience than a product that lacks the chemical diversity of all the compounds present in the plant.

Which seeds are high THC?

Obtaining the best cannabis seeds is also a key factor in achieving the highest THC levels and the best potency. However, it is important to note that without proper growing conditions, plants simply will not reach their full potential.

Results will depend on a variety of factors, including plant phenotype, grower experience and environmental climate, nutrient or lighting conditions. If you want the strongest cannabis possible, try growing some of our high THC seeds, either feminized or autoflowering seeds.

The best feminized seeds with high THC content

In the section of feminized seeds, among the strongest genetics with maximum THC values of our catalog you will find:

Wedding Cake Fem

Runtz Fem

One of the most special genetics from USA that comes from a cross between the powerful Gelato 33 and the famous Zkittle, to give rise to a indica dominant genetic with THC levels of 25% or higher in suitable growing conditions. The effect is incredibly strong, but very relaxing, so it is highly recommended for therapeutic uses, to combat insomnia or for a good evening of muscle relaxation. Excellent also to make concentrates.

Cookies Fast Fem.

For those who are impatient and want THC in abundance, Cookies Fast only needs 7 weeks to flower while maintaining its feminized photoperiodic qualities, so with the right vegetative period it can offer splendid harvests. Coming from the crossing of Cookies & Cream with the original Girl Scout Cookies, it is a fast version that can easily reach a potency of 20% THC, making it one of the most powerful varieties of the category ‘Fast’ of all the Seedstockers catalog.

Wedding Cake Fem

This is another wonder born from the union between a GSC (Girl Scout Cookies) and a selection of the spicy Cherry Pie, resulting in a hybrid that hits very hard with levels that can reach 25% THC, producing a fast effect with a dynamic and creative ascent to the cerebral level accompanied by a pleasant body relaxation. An ideal setting to calmly savor its fruity touches that merge with sweet and spicy notes; and a perfect choice for those seeking the highest possible potency levels.

The best high THC autoflowering seeds

In the autoflowering seeds section, we also have genetics that do not depend on photoperiod and offer THC levels comparable to their feminized sisters. As for example:

Sherbet Auto

The auto version of the famous and award-winning Sunset Sherbet comes with the guaranteed potency of the best genetics Made in USA of the moment, so you can expect THC levels of 20% or more combined with refreshing fruity flavors of mango or melon. And with a very fast effect that invades you from the beginning with an open and clear mind, very creative. Ideal for home growers looking for simplicity and above average yields.

Gorilla Glue Auto

One of the most sought-after, high-end autoflowering strains on the market. It comes from a three-way mix of Chem’s Sister, Sour Dubb and Chocolate Diesel, resulting in a plant that only takes about 11 weeks before its ready to enjoy. You can expect the same euphoric high as the feminized Gorilla Glue, an effect that is brutal for its combination of active mind and relaxed body, which is ideal to enjoy lying on the couch.

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OG Kush Auto

Probably the strongest autoflowering variety in the Seedstockers collection, with THC levels of 23%-24% and a genuine Kush flavor, intense and sweet, making it one of the best choices for growers of all levels. It takes only 75 days from seed to harvest, offering long lasting effects to rest body and mind after physical exercise or after a long day of work. It will help you to find sleep, as well as stimulating the appetite.

Seed varieties with high THC

Below, we also recommend other options in our catalog that move in different ranges of potency, so you can choose the one that best suits your needs or your tolerance to THC.

18-20% THC (High)

Santa Marta Haze Auto

A hybrid that combines the best qualities of the classic Amnesia Haze and Santa Marta, a magnificent Haze from the Colombian jungle, but now in a feminized autoflowering version that develops in only 11 weeks from seed to harvest. Its Sativa dominant genetics and THC levels create an intense psychedelic experience, slowly maturing to a more relaxed and introspective level. All seasoned with a fresh, earthy flavor that contains hints of pine and fruit; and XXL yields of assured quality.

Purple Punch Fem.

A genetics that comes from the union of Grandaddy Purple, famous for its high levels of THC, with Larry OG, which helps to add yield as well as strong flavor. One of the Top Made in USA strains with a fairly fast flowering time of only 8-9 weeks and can turn purple or reddish tones if the temperature drops slightly. And with a very powerful body effect that mixes with a euphoric and pronounced cerebral high, perfect for neutralizing stress or for the treatment of chronic pain.

21-23% THC (Very High)

BCN Critical XXL Fem.

A variety ‘made in Barcelona’ obtained after crossing clones of Kritikal Bilbo and Critical + (both from the Basque Country) with a Critical Mass, which results in a marijuana plant more productive than its parents and which exhibits hyper vigorous growth. It has a very fresh flavor largely dominated by citrus nuances that precede its strong effect of long duration, which largely relaxes the body and calms the troubled minds. It is not for nothing that it has become one of the most popular varieties from the Seedstockers catalogue.

Gelato Fast

Known on the American West Coast as Bacio Gelato, this is the fast daughter of the two much-loved Gelato 41 and Gelato 41 Auto versions. You can harvest her up to 2 weeks earlier than her feminized version and enjoy her delicious notes of ice cream and vanilla and chocolate cookies. Regular growers love it for its guaranteed potency and long lasting calming effects, which can be quite motivating. Like all Gelato, it is easy to grow, so you can’t miss it.

24-28% THC (Extremely High)

OG Kush Fem

Undoubtedly, one of the one of the highest quality varieties of Seedstockers catalog. It comes from the cross between a Chem Dawg and a Lemon Thai Paki Kush, in the purest style of the OG genetics of the west coast of the United States, characterized by citrus aromas and an earthy and floral flavor. Its resinous buds produce a very strong effect, so it has become the great ally of medicinal users who need to relieve chronic pain, especially muscle pain. But if you are going to use it as recreational marijuana, its effect is open-minded and euphoric, with a very acceptable relaxation.

Cookies and Cream Fem

The genetics are born from Starfighter and a very potent phenotype of the Girl Scout Cookies family with the intention of getting the maximum % of THC possible, which makes this hybrid with indica dominance an ideal choice for resin extractions. It also offers really delicious aromas, with creamy and extremely exotic nuances. Undoubtedly a hybrid of excellent quality and potency, accompanied by a generous production, making it a highly recommended variety for both beginners and commercial growers.

+29% THC (Hyper Extremely High)

This category includes the varieties considered the most potent of Seedstockers and are recommended for consumers with some experience, as its effect can easily overwhelm newcomers.

Gorilla Glue Fem

One of the most loved American varieties, famous for its very high production of trichomes, which gives it a very sticky appearance that lives up to its name. It is a selection of Gorilla Glue, specifically the phenotype #4, born from a 3-way cross between Sour Dubb x Chem Sister x Chocolate Diesel. Its aroma is intense, mixing earthy nuances with sweet notes, in a combination as surprising as delicious. Its psychoactive power is enormous, mixing a strong sensation of cerebral psychedelia with an intense physical and mental relaxation, ideal for smoking at night and disconnect from the whole world.

Do Si Dos Fem

This is an American hybrid of enormous quality and delicious aroma, which is already in its own right one of the cult seeds of recent times. It is a cross between OG Kush Breath (a potent phenotype of GSC) and Face Off OG, which stands out for mixing a complex terpene range and for offering a very high psychoactive power, very cheerful and stimulating, perfect for treating pain and depression. It is also an excellent resin producer, which floods the plant with intoxicating aromas, mixing sweet and earthy notes with spicy and fuel touches.

High THC Seeds

For some growers, High THC seeds are the only ones worth growing! High THC cannabis seeds can be either feminised seeds or autoflowering seeds. High THC seeds use the best, most consistent cannabis genetics to produce the most potent cannabis buds available. We regularly submit our high THC strains to independent labs to check THC levels in the buds. The highest THC results require optimised grow room conditions. Note that your own results will depend on a range of factors including plant phenotype, grower experience and nutrient/lighting/environmental conditions. If you want the strongest possible cannabis try growing some of our High THC seeds.

Active filters

Amsterdam Amnesia®

Amsterdam Amnesia

C-Vibez®

Mad Scientist X Voodoo

Auto Skywalker Haze®

Skywalker Haze x Auto Amsterdam Amnesia

Auto Cinderella Jack®

(Cinderella 99 X Jack Herer) X Magnum

Auto Lemon Kix®

Las Vegas Lemon Skunk Autoflower

Sugar Bomb Punch®

THC Bomb X (Critical Orange Punch x Bubba Island Kush)

HiFi 4G®

WiFi OG X Glueberry OG

Auto Orange Bud®

Orange Bud X Auto Daiquiri Lime

Meringue®

Wedding Cake X Animal Cookies

Mokum’s Tulip®

Gelato X Sherbet

Auto Mokum’s Tulip®

Mokum’s Tulip x Auto Colorado Cookies

Auto Kerosene Krash®

Kerosene Krash x (Kerosene Krash x Auto Glueberry O.G.)

Kerosene Krash®

Gorilla Glue #4 X Sherbet

Euforia ®

Euforia Skunk

Bubba Island Kush®

pre ‘98 Bubba Kush X (Grandaddy Purple x OG Kush)

Orange Hill Special®

Orange Bud X Californian Orange

Mazar®

Skunk#1 X Afghani

Passion #1®

Californian Indica

What are High-THC cannabis seeds?

Most cannabis growers want to buy THC rich seeds in order to produce the most potent crop possible. THC rich seeds are defined as those that can produce around (or above) 20% THC in the dried cannabis buds.

The strongest THC seeds produce buds with a long lasting and extremely powerful psychoactive high. They are perfect for the grower that places the highest value on the quality and strength of their harvests.

The most reliable, highest THC seeds are the result of very careful breeding using the finest cannabis genetics. Because the seeds are feminised, you should get over 95% female plants from high THC seeds whether they are autoflower or photoperiod genetics. With high THC regular seeds, you will get roughly equal numbers of male and female offspring.

Buy High-THC cannabis seeds online

If you’re looking to buy high THC cannabis seeds then you should take a close look at the Dutch Passion seed collection. Dutch Passion was the first cannabis seed company to create feminised seeds back in the 1990’s. Today, Dutch Passion’s high THC seeds are better than ever. You can expect an easy grow experience across a wide range of grow methods. All the high THC seeds are specially bred and selected for ease of growth.

You can also expect heavy yields from these high performance modern genetics. Since the invention of feminised seeds, Dutch Passion have continued to improve performance and results. Dutch Passion’s mission is to provide the best performing cannabis seeds to professional growers and home growers.

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This is done by sourcing the finest cannabis genetics from the unrivalled Dutch Passion network of breeders and genetic specialists around the world. When you buy your next high THC seeds buy them from Dutch Passion, the original creators feminised cannabis seeds. As well as buying the best cannabis genetics you can count on great support from the highly experienced team in the unlikely event of any issues. You can also choose next day delivery whether you are buying feminised seeds, autoflower seeds or regular seeds.

Highest THC feminised seeds recommendations

Below we list our highest THC seed recommendations. All these high THC cannabis seeds are easy to grow and deliver heavy harvests. You will find the highest THC seeds of feminised, autoflower and regular strains. You can expect consistent, reliable results. Many of these high THC seeds for sale have been in the Dutch Passion collection for several years with thousands of repeat growers.

Sugar Bomb Punch

High THC feminised seeds don’t get much more powerful than Sugar Bomb Punch. Lab results have shown THC levels of over 23%. These indica dominant genetics use the best USA special genetics to deliver that perfect combination of XL yields with very high THC levels.

C-Vibez

C-Vibez is a hybrid cannabis strain combining indica and sativa genetics in a beautifully balanced package. These are seriously high THC cannabis seeds, THC levels of over 23% have been recorded. Bloom time is around 10-12 weeks. Expect some of the stickiest and most potent buds you have ever grown!

Meringue

With elite genetics from Wedding Cake x Animal Cookies, Meringue is a hybrid strain with extremely high THC levels. THC levels of over 20% have been recorded making this a high THC cannabis seed for the uncompromising grower seeking unique hybrid USA genetics with an amazing sweet aroma and fantastically resinous white buds.

HiFi 4G

HiFi 4G is a hybrid cannabis strain combining indica and sativa genetics in a beautifully balanced package. These are seriously high THC cannabis seeds with long lasting, highly pleasurable effects. Bloom time is a rapid 8 weeks or so, making this both a quick strain to grow as well as one with extremely high THC levels of 20-25%. Expect some of the stickiest and most potent buds you have ever grown!

Highest THC autoflower seeds recommendations

Autoflower seeds are perhaps the easiest and quickest way to grow cannabis. These high THC autoflower seeds grow from seed to harvest indoors under 20 hours of daily light in around 11 weeks. They can also grow well outdoors taking around 100 days from seed to harvest.

Auto Cinderella Jack

Auto Cinderella Jack is perhaps the worlds strongest autoflower strain. These high THC autoflower seeds have produced buds with over 25% THC. This is a hybrid strain, with indica and sativa genetics. She is very easy to grow in any grow medium/system. If you are looking for the most potent high THC auto seeds they don’t come any stronger than this!

Auto Orange Bud

With a delicious sweet citrus taste and particularly heavy yields, Auto Orange Bud is a High THC autoflower seed with a difference. THC levels are around 20% and this auto is very easy to grow. First time growers have achieved superb results. Genetics come from the multiple prize winning original Orange Bud. Perfect for those that love buds with superb visual and aromatic bag appeal!

Auto Lemon Kix

Auto Lemon Kix uses USA special genetics to deliver a delicious combination of heavy yields with sky-high THC levels of around (and perhaps above) 20%. The candy taste is quite unique, sweet and fruity. The aroma is like dipping your nose into a jar of fruity candy sweets. This strain is perfect for those that enjoy high THC strains with a a genuinely wonderful caste and aroma.

Highest THC regular seeds recommendations

High THC regular seeds produce roughly equal numbers of male and female offspring. These are often preferred by old school growers and breeders who don’t mind the presence of male plants.

Mazar

Looking for high THC landrace cannabis seeds? With THC levels around 20% you can be assured of a premium strength vape/smoke from Mazar. These original cannabis cup winning Afghani genetics have been in the Dutch Passion collection for many years and deliver a powerful high and a strong body effects, making them a popular choice with medical marijuana growers. Mazar high THC seeds also deliver heavy harvests and an extremely penetrating aroma.

Euforia

Euforia is a top quality sativa dominant skunk with a joyful, stress-busting anti anxiety high. Skunk seeds have a reputation for being particularly easy to grow and Euforia is no exception. These high THC seeds produce buds that have a thick crust of resin and a powerful skunky aroma. Perfect for the grower seeking to combine ease of growth with a unique ‘up’ high.

Passion #1

Looking for high yield outdoor THC cannabis regular seeds? Passion #1 is a Californian Indica with high THC levels and is bred for outdoor cultivation, often ready to harvest around early October. She can reach 3-4m tall and yield very heavily in good conditions.

Do cannabis seeds contain THC?

Is there THC in seeds? Cannabis seeds don’t contain THC. That’s one of the reasons they are legal in so many countries. However, they do contain all the necessary genetics to grow a plant which will produce lots of THC rich buds.

Key factors that influence THC-levels in cannabis plants

Starting with proven, high THC cannabis seeds is the best foundation to grow a crop of potent buds. But high THC seeds are only part of the story. The grower also needs to understand the finer points of cannabis cultivation in order to provide fully optimised conditions. This knowledge can be learned through experience or through online education. There are several aspects of cannabis growing which all need to be combined in order for the high THC cannabis seeds to reach their full potential. The main factors that influence THC levels in cannabis plants are listed below.

Grow room environment

A stable optimised grow room environment is key for an optimised plant growth. Temperatures should be stable. Extreme high/low temperature variations stress the plant and slow down development. Humidity needs to be controlled. This is particularly important towards the end of the grow when low humidity levels need to be maintained to prevent bud rot.

Indoor cannabis plants need lighting that delivers the right wavelengths at optimised intensities. LED lighting is generally regarded as the highest quality lighting option. HPS is the cheapest grow light option but the spectrum isn’t as optimised for cannabis plants as LED.

UVB supplemental light

UVB light is naturally present in sunlight but not usually in indoor grow lights. Supplementing an indoor grow light with UVB can add an extra few percentage points of THC to the buds. Without UVB a strain may produce THC levels of around 20%. With UVB fluorescent light added to the grow room, THC levels of up to 25% may be possible. Most professional legal growers use UVB to maximise THC levels.

Nutrient control

One of the most difficult topics for beginners to master is nutrient management and control. One of the most common errors, especially from less experienced growers, is the tendency to over water and over feed their plants. In the worst cases this can permanently stunt plant growth and prevent plants from achieving the THC potential.

Pests and disease control

Keeping a clean, pest/disease grow room is key when trying to produce the highest THC levels in your crop. Pests and disease stress your cannabis plant, reducing growth and final harvest quality.

Cannabis seeds quality

Even the world’s best cannabis growers won’t get high THC results from low THC seeds. Choose the best quality high THC seeds you can get from a supplier with a long standing reputation for quality and you have the best starting point for your grow.

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