Green House Seed Bank: The World’s Most Awarded Genetics
About Green House Seeds Co.Green House Seed Co. is the world’s most awarded cannabis seed bank, 200+ international awards and 40+ High Times Cannabis Cups. Founded in Amsterdam in 1985 by Arjan Roskam, the “King of Cannabis,” it has spent four decades perfecting stable, terpene-rich genetics prized for both medicinal and recreational use.
Green House Seed Co. has cultivated a legacy of excellence with some of the most sought-after strains in the industry. Among them, one stands out as a true icon:
Most Popular Strains
Citrusy, high-yielding hybrid with energizing effects and creative focus.
Balanced hybrid with citrus aroma, easy to grow, relaxing and uplifting.
Citrusy hybrid with balanced effects, strong growth, and refreshing aroma.
High-yield hybrid with sweet, gassy aroma and balanced energizing effects.
Best Feminized Seeds
Sativa hybrid with diesel flavor, resinous buds, and long-lasting relaxing high.
High-yield Sativa with citrus flavors, potent effects, and easy cultivation.
Balanced hybrid with pineapple-candy flavor, uplifting high, and strong growth.
Floral-citrus hybrid with balanced effects, vibrant colors, and solid yields.
Best Autoflowering Seeds
Compact autoflower with lemon-earthy flavor, relaxing and long-lasting effects.
Fast autoflower with fruity-earthy flavors, high yields, and balanced effects.
Fruity-coffee autoflower with relaxing, active effects and vibrant growth.
Commitment to Sustainability
Green House builds sustainability into its operations, using environmentally friendly packaging and shipping to cut its footprint while keeping quality high, so you get premium genetics with less environmental impact.
Award-Winning Excellence
With 200+ international awards and 40+ High Times Cannabis Cups, Green House is the most decorated seed bank in cannabis. Some highlights:
- Super Lemon Haze — High Times Cannabis Cup, 2008–2010
- Super Silver Haze — Spannabis Champions Cup, 2011
- White Widow — Highlife Cup, 2014
- King’s Juice — Expogrow Cup, 2017
- Lemon Orange — Cannabis Champions Cup, 2019
Why Choose Green House Seed Co.?
- Since 1985: one of the oldest and most reputable seed banks in cannabis — nearly four decades of breeding.
- Germination guarantee: seeds backed by our 90-day germination guarantee, with replacements if needed.
- Grower support: helpful assistance for technical and general questions.
- Pathogen-free: every batch tested for quality and health.
Shop Green House Seed Co. Seeds
Browse the full Green House Seeds collection at Growlantis and open any strain for its genetics, effects and grow details.
FAQS
You can pay with all major credit cards: Visa, MasterCard and Discover or by ACH and bank wire transfer, and you can also mail cash, a check or a money order. Some methods may add a small fee or be briefly unavailable during maintenance, shown before you confirm at checkout.
Log in at Growlantis.com, open Orders and click View on the order you want. You’ll see the items, shipping address and current status there. If you need a hand or something looks wrong, email support@growlantis.com and we’ll help you out.
Yes. Every order includes a 90-day germination guarantee starting the day after delivery, with one claim per order. Follow the germination guidelines; if three or more seeds fail we replace them, and if fewer fail you get a coupon. It covers non-germination only.
Yes. Growlantis offers free shipping on all retail orders, with no delivery charge at checkout. The only condition is a minimum retail order of $42.
Report any issue within 15 days of delivery, then email us your order number, a photo of the unopened packaging, the reason for the return, and the email and payment details for your refund. Our team will review your request and get back to you.
