Best High THC Marijuana Seeds

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For those still getting to know more about marijuana seeds, for sure you’ve already heard of the three letters T, H, and C. Most often, THC is always mentioned when describing a cannabis strain or comparing strains with each other. So what is THC?

THC stands for “tetrahydrocannabinol” and is the chemical behind marijuana’s psychological effects after smoking. It is the natural compound responsible for the sensation often described as “high” by cannabis smokers. Users familiar with the euphoric, uplifting, and even sedating feelings when smoking marijuana should thank THC for that.

Basically, THC is the one responsible for a specific strain’s potency. The higher the THC level, the more potent a strain can be. But a higher potency does not necessarily mean a better experience for everyone. This is when a user’s THC tolerance comes into play. First-time users may get overwhelmed when taking a strain with a THC level of around 20%. But for seasoned users, a higher THC means a more exciting experience.

As such, a great priority is given by cultivators to seeds that have high THC content due to the high demand. Some high THC strains are even hard to come by at the store while some are kept guarded in preparation for cannabis competitions.

So for those who would seek out to explore the limits of the mind and what cannabis has to offer, we’ve made a list of the best seeds with high THCs in the market. We did not simply decide based on which one has the highest levels but also considered the overall experience–that includes the flavor, effects, growth difficulty, and character.

Top 10 Best High THC Marijuana Seeds

girl scout cookie strains1. Girl Scout Cookies

Do not be fooled by its innocent name as Girl Scout Cookies won’t knock your doors to sell cookies but break them!

Girl Scout Cookies (GSC) is an Indica-dominant hybrid that was bred from all-time classics, OG Kush and Durban Poison. Both parents are extremely potent strains and their best qualities passed on to this hybrid, most notably is the high THC level that reaches up to 25%. This strain has extreme potency, and one whiff can be sharply uplifting and cerebral, followed by a profoundly calming body high. While its sweet, fruity flavor has hints of mint that also adds up to the experience.

The seeds of Girl Scout Cookies have a flowering time of 9 weeks and are really demanding to cultivate but easy to get used to. Plus, it responds well to different growing techniques so growers can decide what they are comfortable with. Although not the easiest to cultivate, the harvest is super rewarding enough to invite growers to try it out.

Girl Scout Cookies has a wide-range of use but is perfect for after-dinner smoke or right before going to bed. Besides recreational use, this is also popular for helping alleviate body pains and inducing insomniacs to sleep. After all, Girl Scout Cookies is so exceptional that it won several Cannabis Cup awards.

chemdog strains2. Chemdog

A mystery strain that fell from heaven!

Chemdog strain is a legendary Sativa-dominant hybrid whose origins remain a mystery. No records can confirm its past, who its parents are, or where it came to be. But the world knows that at present, this is one of the best marijuana strains on the market! With a THC level of up to 23%, this strain offers a long-lasting and hard-hitting high. It hits users both with a cerebral and physical high that is paired with a unique diesel aroma and sour flavor. This strain is perfect for afternoon use, able to boost users with cerebral energy, and can help mitigate conditions like PTSD and bipolar disorders.

In terms of cultivation, Chemdog’s seeds are suited for advanced growers. This is due to its susceptibility to molds and mildew. This strain takes around 7 to 9 weeks of flowering time and the yields are exceptionally massive!

With Chemdog strain’s enigmatic background, users who have experienced its high can’t help but assume that this strain might have fallen from heaven above. In fact, Chemdog’s reputation lives on as it even became a parent of many legendary strains such as OG Kush and Sour Diesel.

critical mass strains3. Critical Mass

A potent strain that could snap its branches with its massive yields!

Critical Mass is an Indica-dominant hybrid that is a phenotype of the classic Big Bud, which was bred from crossing Skunk #1 and landrace Afghani. The result is a more stable and heavy-yielding strain with a tremendously high potency thanks to its THC level that reaches up to 21%. Smoking this strain offers a sweet taste with a kushy flavor of earthiness that has hints of citrus and spice. This is accompanied by a tingling buzz that will wrap the users with a pleasantly numbing and euphoric sensation. As such, this strain is best used during the evenings as its sedating effects will always culminate in a good night’s sleep. It is also a great help for those with migraines, anorexia, and chronic pains.

Although Critical Mass has low resistance to molds, it is still an easy strain to cultivate even for novice growers. As long as they keep watch of any mold problems and place supports for its branches, all is set until its harvest period. After its fast and vigorous growth that only takes 6 to 8 weeks, growers are met with massive crops that truly reflects its name.

lavender strains4. Lavender

Flowers are not just for courting the heart but also the soul.

Lavender is an Indica-dominant hybrid whose relaxing effects go deeper with its high potency. It is born from the three-way cross between, Super Skunk, Big Skunk Korean, and Afghani Hawaiian. All of which are known Indica-heavy strains and their birth child steps up the game. With a high THC level of 20%, It is said that just one whiff can already please not just the body but also the user’s soul. Meanwhile, the strain also offers a naturally soothing aroma and flavor of fresh lavender paired with hints of herbal spice. This makes the strain a uniquely tranquil experience that gives off a picture of a sunny garden while remaining stuck in couch-lock. It is effective in soothing psychological ailments like anxiety and depression, as well as putting insomniacs to sleep.

This well-scented strain is quite an easy grow due to its hardy nature, adaptability, and resilience. Taking only 9 to 10 weeks of flowering time until its bountiful harvest, Its seeds can thrive in any environment and they respond well to a SOG setup. Being such a smooth and pleasant experience both for growers and users, no wonder that it won best Indica in the 2006 High Times Cannabis Cup.

power plant strains5. Power Plant

Its name already speaks of how much of a powerhouse it can be when smoked.

Power Plant is a Sativa-dominant hybrid that originated from South African landraces. It underwent several inbreeding until finally becoming a stable and potent strain. Boasting a THC content of 20%, this strain will boost users with a stream of energy and euphoria, together with its earthy, pepper flavor. They will find themselves sociable and even more productive than usual. While some get excitingly trippy. This strain is ideal for daytime and social gatherings as it brightens up the day. Despite being popular for recreational use, its potency can also help in treating fatigue and depression.

This strain grows consistently fast but would is pretty straightforward to cultivate. After taking a flowering time of 7 to 9 weeks, growers are met with an abundant harvest of crops. Like a literal power plant, this strain offers you a power-up for the day.

pineapple express strains6. Pineapple Express

CHOOO-CHOOO! All aboard as we embark on a psychedelic vacation!

Pineapple Express is a Sativa-dominant hybrid that actually offers a balanced high that packs a juicy punch. It is bred from the famous Trainwreck and a Hawaiian landrace. Possessing a high THC level of 20%, this strain does not just offer a potent Sativa kick but also a powerful Indica buzz. In addition, this strain has a juicy flavor profile that is like a fruit basket full of fresh-cut apples, pineapples, mango, and more. This leaves users with an active mind while feeling deeply calm and relaxed, like relaxing at a tropical beach. This is great for introspection and all bodily discomforts are washed away. As such, this strain is often used also by patients for nausea and pain control.

Meanwhile, Pineapple Express is quite moderately difficult to grow due to its sensitivity towards its environment. A sudden change of weather could drastically impact its growth. This is why having a controlled environment indoors is ideal. But once all conditions are sorted out, this strain will turn out to be a stroll. And after a flowering time of 9 to 10 weeks, all that’s waiting are juicy-smelling tickets for an awesome trip.

strawberry cough strains7. Strawberry Cough

An immensely sweet tasting strain that could even make veteran smokers cough!

Strawberry Cough is a Sativa-dominant hybrid that can bring out the cheerful and sociable side of you. It is one of those strains whose origin is unsure but people generally assume that it is the birth child of crossbreeding the deliciously sweet Strawberry Fields and the classic Haze. From the name itself, you could already guess that this hybrid is oozing with a sweet strawberry fragrance and the same goes with the flavor. Often describes as candy-like, it also has a strong potent cerebral rush that won’t hold back after smoking, thanks to its 20% THC content. It is said that smoking this strain usually ends up in a cough. At the same time, it also coughs away all of the user’s worries away, including their fatigue.

Its seeds are known to be simple to cultivate, in which all kinds of growers are welcome to try it out. For sure, along the entire 9 weeks of caring for the plants, growers will miss its enchanting fragrance that fills the room after its harvest. This plant is such a special plant that even won as Best Flower back in the 2013 Cannabis Cup.

cherry pie strains8. Cherry Pie

A cherry on top of the best Indica hybrids in the market.

Cherry Pie strain is a subtle Indica-dominant hybrid that is all about giving the user the best pleasurable experience cannabis has to offer. It is born from the cross between world-renowned strains Granddaddy Purple and Durban Poison. Although Indica-leaning, its effects are seemingly balanced with the Sativa effects. With a 20% THC level, this strain could induce the users with a sharp and focused mind while being drenched in a warm and fuzzy feeling all over their body. This makes this strain great also for easing body pains and stimulating appetite. Such a smooth blend of effects makes Cherry Pie generally popular for all kinds of users. Adding also its delectable cherry flavor that reminds us that a great high is savored best with a great taste.

This strain is also a pleasure to grow even for beginners. All they have to keep watch is its side branches that would require regular pruning. Then after a flowering time of 9 weeks, growers will revel at its bountiful and fragrant yields. Everything about this strain is a delight!

blue dream strains9. Blue Dream

Originally bred as a medical strain but now renowned for its recreational use around the world!

Blue Dream is a Sativa-dominant hybrid that is an amazingly potent strain with massive yields. It is the result of crossbreeding premium strains Blueberry and Haze. It definitely inherited Blueberry’s aromatic and flavor profile which was of sweet fruity goodness. While in terms of effects, it is clearly reminiscent of Haze’s Sativa long-lasting cerebral flight. Users of this strain are immediately hit with a surge of creativity and motivation that will surely drive them to be more productive.

However, Blue Dream’s seeds will grow vigorously into medium-sized plants but are very sensitive and prone to pest attack. This makes this challenging to grow for beginners especially for those who opt to cultivate outdoors. Yet, seasoned growers will surely take up the challenge to grow outdoors, for they are aware of how rewarding this strain can be after it matures in 9 weeks.

agent orange strains10. Agent Orange

Although named after an infamous war chemical, this powerful strain delivers the exact opposite of toxicity–a harmless happy-inducing high!

Agent Orange is a Sativa-dominant hybrid that is famous for its flavorful orange tang and an energy-boosting high. Bred from famed Jack the Ripper and Orange Velvet, this strain offers both cerebral and body-numbing effects. Clearly, it gained Orange Velvets’ citrusy taste and combined it with Jack the Ripper’s Sativa attack. Everyone who had tried this strain will surely recall sweet happy memories with it. Moreover, it is also potent for therapeutic use and found effective for mitigating attention disorders and depression.

Growing Agent Orange turned out to be moderately easy. The plants are highly resistant to molds, mildew, and pests but growers will have to deal with its big size. Being tall and wide means occupying more space indoors and becoming very noticeable outdoors. Thus, topping, pruning, and placing some supports is the way to go. Besides that, everything about this strain summates into a feel-good experience.

The catalog of great strains is always expanding but these are the best high THC Marijuana seeds users should try out. Each has its own story and character but all of them can deliver an intense and exciting experience that sends users to different worlds.

However, everyone should always be mindful of their limits. Although exciting as they come, taking too many doses and getting overwhelmed may come counterintuitive to the cannabis experience. Resulting in adverse effects such as aggravated paranoia and anxiety, instead of indulging the recreational and therapeutic effects of marijuana.

Some of the strains aforementioned are simple to grow and can be recommended for beginner growers. But newcomers to smoking marijuana should steer clear from the listed strains above. They should try first to gradually build up their THC tolerance to fully appreciate what each weed has to offer. Even seasoned users start with low doses when they are not yet used to certain strains. After all, it’s not about who smokes fast, so start slow and have a good time.

So, which high THC Marijuana would you like to try first?

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