Compare Cannabis Seed Banks & Breeders

UK (founded) / Spain (current HQ)

Frosteez Farmz

Formed by a collective of veteran commercial cultivators and breeding enthusiasts, Frosteez Farmz was created with a clear mission: to bring maximum trichome density, high potency, and mouth-watering flavor profiles directly to home and commercial growers. Inspired by modern US dispensary trends, the team spent years selecting and stabilizing parent stock renowned for dripping resin and intense terpene complexity. Frosteez Farmz focuses heavily on crossing top-tier West Coast "dessert" strains—such as Cookies, Zkittlez, Gelato, and Gorilla Glue lineages—to build stable, high-yielding photoperiod feminized and rapid autoflowering varieties. Their catalog features popular flavor-forward hits like Smorez, Peach Ringz, Froot Loopz, Slusheez, and Auto Poptartz. Known for heavy flower density, forgiving growth traits, and exceptional suitability for solventless extraction, Frosteez Farmz continues to build a strong reputation among cultivators who demand top-shelf bag appeal, intense sweet-and-fruity aromas, and uncompromising potency.

0 strains Explore Frosteez Farmz →

UK (founded) / Netherlands (current HQ)

G13 Labs

Tracing its roots back to the late 1980s and early 2000s UK underground cannabis scene, G13 Labs was formed by a collective of visionary veteran breeders. To expand their breeding operations and access world-class genetic libraries, the team relocated to Amsterdam, combining classic British cut selections with premier European and American strains. G13 Labs achieved global fame as the original breeders behind Pineapple Express—a strain that became a pop-culture icon and an international bestseller praised for its sweet, tropical aroma and soaring, balanced effects. Their catalog mixes time-tested UK classics like Mozzarella (their unique take on the famous UK Cheese) with modern, mouth-watering hybrids like Blueberry Gum, Chocolate Heaven, and Raw Diesel. Built around the needs of home hobbyists and commercial growers alike, G13 Labs focuses on producing compact, easy-to-grow plants that deliver exceptional mold resistance, fast turnarounds, high resin output, and distinctively strong terpene profiles.

0 strains Explore G13 Labs →

UK (founded) / Spain (current HQ)

Garden Of Green

Established over a decade ago by a collective of passionate European geneticists, Garden of Green was created with a mission to breed top-tier medicinal and recreational cannabis strains using strictly organic farming methods. The team focuses heavily on selecting parent plants with superior cannabinoid density, robust stress tolerance, and pronounced terpene expressions. Garden of Green has built an international reputation by combining classic European landraces and staples with popular, high-potency West Coast US "Cali" lines. Their catalog offers photoperiod feminized strains, rapid autoflowers, and specialized high-CBD varieties engineered to assist medical patients and craft growers alike. Standout varieties in their catalog include fan favorites like Amnesia Lemon Kush, Girl Scout Cookies, Phantom Cookies Domina, Candyland, and Kosher Kush. By focusing on strict quality control, organic reproduction practices, and high germination rates, Garden of Green remains a trusted seed bank for growers seeking rich flavors, heavy resin, and dependable yields.

0 strains Explore Garden Of Green →

Spain (founded)

Genofarm

Established in 2002 in Spain, Genofarm was founded by a dedicated team of agronomists, hemp experts, and master breeders committed to high-level genetic stabilization. With nearly two decades of experience working with diverse landrace lineages and elite clone-only cuts, Genofarm focuses on maximizing cannabinoid purity, plant vigor, and total resin density. Genofarm’s breeding ideology centers on combining strict scientific selection with organic propagation practices. Their extensive library includes balanced high-CBD therapeutic options alongside heavy-hitting photoperiod and automatic varieties reaching well over 25% THC. Strains in their catalog are specifically selected for structural resilience, uniform growth, and bold, exotic aroma profiles that hold strong appeal for both flower enthusiasts and extractors. Their catalog features recognized favorites such as Farm Cheese, Thunderhaze Auto, Golden Berry, Medicandy, and Best Mango. Whether supplying medical patients seeking consistent therapeutic ratios or craft cultivators looking for high-yielding, resin-drenched crops, Genofarm continues to set a high standard for quality and genetic integrity.

0 strains Explore Genofarm →

Netherlands (founded)

Growers Choice

The origins of Growers Choice trace back to 1996 in the Netherlands, where a small group of passionate cultivators began experimenting with strain selection and hybridization alongside veteran Dutch breeders. After years of mastering feminization techniques and producing high-grade seeds behind the scenes for established European brands, the team officially launched the Growers Choice label in 2011 to release their own proprietary genetic library. By pairing a deep horticultural background with rigorous pheno-hunting, Growers Choice has built an international reputation for taking world-class West Coast US cultivars and refining them into stable, heavy-yielding seed stock. Their breeding philosophy emphasizes vigor, high THC potential, mold resistance, and exceptional terpene complexity, ensuring top-tier performance for both indoor setups and challenging outdoor climates. Their expansive catalog features popular heavyweights such as Red Banana Berry, Bruce Banner #3, Rainbow Candy, Blue Zushi, and Original Oreoz, alongside an array of high-performing "Double XL" autoflowers. Trusted by commercial operators and home hobbyists alike, Growers Choice remains a leading standard for consistency, potency, and commercial-grade harvests.

0 strains Explore Growers Choice →

UK (founded) / Spain (current HQ)

Heavyweight Seeds

Founded in 2008, Heavyweight Seeds entered the global market with a clear mission: to craft cannabis genetics that deliver maximum yield without sacrificing high-end potency, flavor, or genetic stability. Recognizing that commercial growers and home hobbyists alike want heavy-duty harvests with knockout strength, Heavyweight’s breeding team focused on stabilizing high-performing, high-THC parent lines. By meticulously crossing landrace genetics, old-school European staples, and high-grade American cultivars, Heavyweight Seeds developed a catalog renowned for heavy bud density, high stress tolerance, and dripping trichome production. Their varieties are built for exceptional performance, offering high resistance to common molds and pests alongside forgiving growth traits. Their legendary lineup includes fan favorites like Fruit Punch, Monster Profit, Green Crack Auto, Wipeout Express, and Dream Machine. Whether for commercial cultivators seeking maximum gram-per-square-meter efficiency or home growers wanting heavy-hitting flower with sweet, complex terpenes, Heavyweight Seeds remains a globally recognized benchmark for big yields and pure strength.

0 strains Explore Heavyweight Seeds →