Genetics play a critical role within the cultivation of cannabis, and thereafter during the consumption phase - dictating both the flavor and smell. Each strain of marijuana is best explored personally, to experience the different taste profiles and effects. However even within the same marijuana strain, there are large amounts of discrepancies with their genetics - and this is where the reputable seed breeding companies come into play: There are countless factors leading to the production of seeds with strong genetics and with the addition of new strains each year it is not uncommon to find unstable genetics. These are strains which may feature a higher rate of hermaphrodite appearances due to the weaker and vulnerable genetics.

By using a reputable seed company, you will get the most potential out of your cannabis plants, and avoid unnecessary hardships. For these companies, their reputations are on the line. This leads to multiple rounds of quality assurance before a strain ever makes it to retail sale - even if it means a delay. Take a look at the top 150 marijuana seed companies found below - click into a company to learn more about the seeds and strains that they offer.

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The Exotic Genetix is the seed bank from US that was founded in 2008. The company produces top-quality cannabis. It has a wide range of seeds that also has medical value. No matter you are an experienced or beginner grower, you find ..

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Zambeza Seeds is currently one of the fastest growing companies in the world among the cannabis seeds suppliers. After decades of selective breeding and crossing, a whole array of strains has come available. Zambeza Seeds offers the ..

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Delicious Seeds is dedicated to provide enjoyment and quality. With Delicious Seeds you'll be able to push open the door to your own garden eden with godly plants of mythical power and mind opening highs. Delicious Seeds is operatin..

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Karma Genetics was officially founded in 2008 in the Netherlands after winning a cup at the IC420 cup in Amsterdam.  But the founder started breeding in 2000. Karma Genetics currently collaborates with other breeders such as Mosca N..

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Mr. Nice Seed (MNS) Bank is the result of cooperation Shantibaba, Howard Marks (Mr. Nice) with help another equally experienced breeder. MNS uses a collection of both Neville and Shantibaba's plants, the most thoroughbred cannabis. ..

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Bulldog Seeds started as one of the very first cannabis coffee shop in the world in 1975.  After 35 years in the business, the Bulldog Seeds has collaborated with the world’s best marijuana seed breeders and started creating its o..

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The 7 Dwarfs Seeds is one of the latter most cannabis seed bank which presents new varieties of Autoflowering Cannabis Seeds. Since the beggining of the auto-flowering plant laboratories have been experimenting to create a range of ..

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Grass O Matic was the first cannabis seed bank in the world selling high quality feminized autoflowering cannabis strains. After years of selection and testing the most stable and homogeneous autoflowering plants on the market, Grass..

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Samsara Seeds was conceived as a seed bank that seeks to offer its customers not only cannabis seeds, but also a lifestyle choice and an understanding of cannabis. It offers a quality, originality and medicinal varieties. Samsara Se..

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Kalashnikov Seeds is a Russian seedbank that founded by a group of "old school" growers with long, great experience in cannabis breeding. It has been breeding marihuana since 2002. In 2013 Kalashnikov Seeds started to sale its own se..

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Delta-9 Labs has been working for over 10 years to produce the most eligible Medical Cannabis Seeds in the world. The professional lab in Amsterdam, Netherlands works with the world’s top Medical Marijuana breeders to discover the..

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Founded in 1995 in Amsterdam, Spliff Seeds produces their seeds under optimal conditions in conditioned grow-rooms. Spliff Seeds uses carefully selected mothers and fathers to form the most stable, fertile and potent plants. Aft..

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Big Buddha is a legendary seed breeder. It produces some of the finest seed strains on the planet. Based in the UK, the Buddha has cultivated an amazing line of seeds and won a amount of Cannabis Cups. Big Buddha is the original pro..

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Soma Seeds is based in Spain. This seed bank was founded by Soma. He started growing cannabis in 1971 in southern Vermont. Soma has been working with cannabis for 45 years. He is spiritually dedicated to the holy cannabis plant. He w..

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Positronics located in Amsterdam. The pioneer in the self-cultivation and selective breeding of Cannabis, Positronics contributed in the creation and birth of the first Cannabis  hybrids in Europe. Since  Positronics' seeds have co..

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World of Seeds was founded to contribute to society with our special conception is the reasonable use of cannabis as a medicine, emphasizing its already existent use as anti-emetic and analgesic in palliative medicine and its possibl..

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Sensible Seeds was first established way back in 1992 in Newport, UK. They were considered a pioneering company for their hybrid seeds and their utilisation of hydroponic systems, which at that time were only available in Amsterdam. ..

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Zamnesia has catered to the needs potheads and psychonauts since 2002, growing into Europe’s largest online seedshop, headshop, smartshop and lifestyle shop. After all of the years supplying seeds from global breeders, it only ..

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Emerald Triangle is a seedbank with over 20 years of experience of breeding. It offers a top quality genetics from all over the world. It provides a chance to access the healthful and medicinal properties of this astonishing plant. T..

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Bulkseeds is a team of professionals from different parts of the planet specialized in wholesale implementation of marijuana seeds of high quality. Bulkseeds holds lower prices to attract commercial growers and other customers who a..

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Female Seeds tries to provide customers top quality seeds. It became a huge success because of the low priced quality seeds concept. After harvesting, seeds are subjected to a strict test, which can guarantee that 99% of seeds gives ..

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The Strain Hunters Seed was opened in 2013 and includes a collection of  feminised Hybrids, Autoflower, Landraces and regular cannabis seeds from around the world. The Strain Hunters travel the world hunting cannabis landracesThe S..

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Rare Dankness is a quite young seedbank with the many years of experience in selection, cultivation and experiments with a cannabis. It was founded in 2010 in Colorado. Rare Dankness is the world company that has a legal gardens in S..

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Impressive, when you understand that the Flying Dutchman began with the story of one man, 40 years ago. Eddie, the founder of The Flying Dutchmen conducted cannabis research for personal satisfaction. Then in 1984, he opened a wholes..