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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In House Genetics is a cannabis seed company that based in USA and provides the elite line of strains.

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Pretty young seed bank Mandala Seeds was founded in 2004 and immediately gained a reputation as a leader in the production of high-quality and unique cannabis seeds. There are several factors that make Mandala strains perform better..

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The creation of Lowryder has been a lengthy process. The Joint Doctor early interested in Cannabis cultivation. In the college he cultivated small plants in his room. These “extra-curricular” activity was start of his career in ..

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The one of the world's oldest cannabisseedbank, Dutch Passion was officially founded by Henk van Dalen, in Amsterdam in 1987. It produces a variety of original classic cannabis strains varieties and also some of the best new var..

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After 12 years of growing, testing and experimenting with many different cannabis varieties, Paradise Seeds was founded in 1994 in the Netherlands. The goal was to create better plant, with a sweet taste and stronger high, the result..

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Short Stuff is a group of breeders and cannabis enthusiasts working in Spain with autoflowering seeds for the last three years. Short Stuff has produced a range of autoflowering seeds at much lower prices. Short Stuff constantly impr..

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B.O.G. Seeds was founded in 2000 by a group of cannabis lovers. At first the founders grew medicine cannabis for themselves, friends and family for many years. They even published the book  “Bonanza of Green” in 2005.B.O.G. ..

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Green House Seed Company is a leader in the global seed market and  the most successful cannabis business in the worldThis company has  many international awards, including 38 prizes Championship High times Cannabis Cups, as well a..

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Serious Seeds is a small company in Holland, concentrating on the production of high-quality, stable and consistent varieties of cannabis seeds. It was founded in 1995 by Simon. He studied biology at one of the universities in Amster..

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MM Genetics was founded in Spain to deliver to the market CBD dominant cannabis genetics. The collaboration with award-winning breeders and cannabis experts from across Europe borned such outstanding genetics as Candida-CD1 with unbe..

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Heavyweight Seeds is a spanish company that was founded in 2008. This cannabis breeder uses only highly stable pure genetics and provides a wide range of different tastes and flavours. The Heavyweight Seeds came to the European marke..

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Buddha Seed is an auto-flowering strain specialist from Spain. They are known for being among the first to bring auto-flowering strains to the populance. They produce relatively fewer strains of these dwarf pot varieties, but have a ..

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Ken Estes is a founder of this company. He has been involved in the Medical Marijuana movement since 1993. He had over 25 years of experience in the cannabis field as a medical patient. Ken Estes concentrates on the producing the med..

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Reeferman Seeds is a leader among a growing number of Canadian seed producers  that are now beginning to seriously contest with the Dutch cannabis breeders. The Reeferman Seeds understands that greatly of the cannabis gene pool is i..

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Searching for rare genetics, for a nice & deep high, for recreation or therapy, it never stopped collecting, testing, smoking new strains around the world for the last 26 years. Produce very potent hybrids, who dispels repeatability ..

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Auto Seeds is a group of professional breeders that produces only top quality autoflowering cannabis seeds. During 4 years they were searching, testing and developing feminized auto flowering seed genetics. Auto Seeds had combined cl..

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Moxie Seeds & Extracts was founded in 2015 to serve the growing demand for cannabis extraction. The Moxie company is a group of professional cultivators. It is based on three main principles - a science, safety and health. T..

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Vision Seeds is the result of one man’s passion for cannabis growing. Danny B. founded the company about 15 years ago. This breeder became popular among the professional as well as the recreational growers. The company produces a t..

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Jaime and Juanma are the founder and breeder of seedbank Resin Seeds Resin, which was founded in Spain in 2008. Through his experience in the industry, Jaime wanted to start his own seed bank to research the effects of cannabis as me..

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FastBuds was founded  in 2010. The company has presence in the States and Europe. FastBuds has years of experience, productive work and close cooperation with some of the best growers. The basic goal is to produce the most trend..

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BC Bud Depot is from Canada. It is one of the biggest company in the online cannabis industry. The BC Bud Depot produces the world's finest marijuana seeds with fast and discreet worldwide delivery at reasonable prices. They breed t..

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HortiLab is specialized in breeding finest quality medical as well as recreational cannabis seeds. An extensive genetic library has a variety of original strains and elite clones collected worldwide. Hortilab Seed Bank has been coll..

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Based in Amsterdam Kiwiseeds began a history in 2002 in a try to save some of the fast disappearing 'old-school' genetics once the main-stay of the New Zealand/South Pacific marijuana industry. Today Kiwiseeds is the proud winner of..

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Gage Green is a group of connoisseur cultivators and herbalists looking for the best cannabis meditation properties. The main goal is providing the top-quality and healthy products. Gage enlivens the body and rejuvenates the mind. Ga..