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strongest cannabis seeds in the world

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.

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:

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.

Grandaddy x Bruce Banner

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.

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.

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.

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.

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.

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.

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


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.

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.

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).

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.

With a spicy, fruity flavor the Girl Scout Cookies effect is well-balanced, starting with a high enthusiast who will evolve into a vaporous drowsiness of pure relaxation and well-being. Pain and depression will quickly dissolve away and those suffering from nausea and eating disorders will also discover the benefits of GSC. Not only is this strain one of the hottest at all times, but also, as the name implies, she is also one of the sweetest.

This strain is easy to grow. The plant has an excellent resistant to mold and fungus. It’s suitable both for indoor and outdoor cultivations.

8 Ball Kush Feminised by Barney’s Farm

Bruce Banner takes its name from the alter-ego of comic book superhero the Hulk and it receives this name because it is quite a powerful strain, Bruce Banner #3 reaching nearly 30% in THC content!

This is a top strain buds look great she smells beautiful and taste like a light berry with a nice fuel aftertaste. buds are nice and dense and formed well smoke wise it’s a good relaxing strain what makes time go by real quick and makes you feel worry free any experienced smoker will know the quality of this strain I’d recommended to all growers as she grows well and is a dynamite smoke.

Another main reason cannabis smoker use high-THC cannabis is for its pain-relieving abilities. While CBD are also known to help with pain relief, research shows that Toffers the hi HC ghest degree of pain relief that marijuana has to offer .