# Seed Supreme Seed Supreme | The Largest Cannabis Seed Bank in the USA 
> SeedSupreme is a US-based cannabis seed bank founded in 2013, stocking 350+ strains from 150+ cannabis breeders alongside its own in-house genetics. It ships discreetly from a Florida distribution hub via USPS to all US addresses, with free shipping on orders over $90, a germination guarantee on every order, and a 14-day returns policy on unopened packages. Payment options include credit/debit card (up to $1,500 per order), ACH/eCheck, and bank transfer. Cannabis seeds sold where cultivation is not permitted are available as souvenir/collector items only. Buyers are responsible for verifying applicable local, state, and federal laws before ordering.

SeedSupreme is owned and operated by Symple Commerce. The site serves home growers, hobbyists, collectors, and breeders across the United States. Key differentiators include a Kush Money loyalty rewards program, frequent BOGO and mix-pack deals, and an editorial blog with 100+ cultivation guides covering growing techniques, strain science, pest and disease management, and harvest timing. Featured in-house and partner brands include Seed Supreme, Happy Valley Genetics, World Breeders, Homegrown Cannabis Co., and The Bulldog Seeds.

All packaging ships plain and unmarked with no reference to contents or company name. Customer rating: 4.5/5 from 5,000+ verified reviews.

## Cannabis Seed Categories

- [Feminized Seeds](https://seedsupreme.com/feminized-seeds.html): These are cannabis seeds bred to produce only female, bud-bearing plants; the most popular format for yield-focused home growers.
- [Autoflower Seeds](https://seedsupreme.com/autoflowering-seeds.html): Light-cycle-independent strains that flower by age rather than photoperiod; ideal for beginners and fast harvests.
- [Regular Seeds](https://seedsupreme.com/regular-seeds.html): Unmodified male/female seeds for breeders, pheno hunters, and traditional cultivation.
- [High THC Seeds](https://seedsupreme.com/cannabis-seeds/highest-thc-seeds.html): Strains selected for maximum cannabinoid potency; many exceed 25% THC.
- [High CBD Seeds](https://seedsupreme.com/cannabis-seeds/high-cbd-seeds.html): Hemp-adjacent genetics with elevated CBD and minimal THC; suited to wellness-focused growers.
- [High Yield Seeds](https://seedsupreme.com/cannabis-seeds/high-yield-seeds.html): Strains bred for heavy harvests per plant or per square meter indoors and outdoors.
- [Outdoor Seeds](https://seedsupreme.com/cannabis-seeds/outdoor-marijuana-seeds.html): Robust, mold-resistant genetics suited to open-air and natural light growing.
- [Indoor Seeds](https://seedsupreme.com/cannabis-seeds/indoor-seeds.html): Compact, fast-finishing cultivars optimized for tents, grow rooms, and hydroponics.
- [Beginner Seeds](https://seedsupreme.com/cannabis-seeds/beginner-seeds.html): Forgiving, resilient strains with simple care requirements; recommended for first-time growers.
- [Indica Seeds](https://seedsupreme.com/cannabis-seeds/indica-seeds.html): Short, dense plants with relaxing effects and shorter flowering periods.
- [Sativa Seeds](https://seedsupreme.com/cannabis-seeds/sativa-seeds.html): Tall, energising cultivars with longer flowering periods and uplifting cannabinoid profiles.
- [Hybrid Seeds](https://seedsupreme.com/cannabis-seeds/hybrid-seeds.html): Cross-bred genetics balancing indica and sativa traits for versatile growing and effects.
- [Fast Version Seeds](https://seedsupreme.com/cannabis-seeds/fast-seeds.html): Photoperiod plants with autoflower-like speed; typical flower time 6-8 weeks.
- [Landrace Seeds](https://seedsupreme.com/cannabis-seeds/landrace-seeds.html): Heirloom cultivars from original geographic origins, unmodified by modern selective breeding.
- [Dense Bud Seeds](https://seedsupreme.com/cannabis-seeds/dense-bud-seeds.html): Cultivars selected for tight, resin-packed bud structure and high bag appeal.
- [Purple Seeds](https://seedsupreme.com/cannabis-seeds/purple-seeds.html): Anthocyanin-rich genetics producing distinctive purple, violet, and blue hues.
- [Blue Seeds](https://seedsupreme.com/cannabis-seeds/blue-seeds.html): Blue-tinged cultivars with Blueberry or Haze lineage heritage.
- [Hash Seeds](https://seedsupreme.com/cannabis-seeds/hash-seeds.html): High-resin cultivars bred specifically for concentrate and hash production.
- [Haze Seeds](https://seedsupreme.com/cannabis-seeds/haze-seeds.html): Classic sativa-dominant Haze-lineage strains known for cerebral, long-lasting effects.
- [Medicinal Seeds](https://seedsupreme.com/medicinal-seeds.html): CBD-forward and balanced-ratio genetics for therapeutic and wellness-focused applications.
- [Mixes and Collections](https://seedsupreme.com/cannabis-seeds/mixes-collections.html): Curated multi-strain packs and sampler sets for growers who want variety.
- [New Strains](https://seedsupreme.com/cannabis-seeds/seed-supreme-new-strains.html): Freshly listed genetics and recently added cultivars.
- [Best Sellers](https://seedsupreme.com/best-sellers.html): Top-selling strains ranked by order volume and customer ratings.

## Featured Breeders

- [Seed Supreme](https://seedsupreme.com/seed-banks/seed-supreme.html): In-house genetics bred, tested, and sold exclusively through SeedSupreme.
- [Happy Valley Genetics](https://seedsupreme.com/seed-banks/happy-valley-genetics.html): Boutique US breeder focused on modern, award-winning cultivars with verified genetics.
- [World Breeders](https://seedsupreme.com/seed-banks/world-breeders.html): International genetics compiled from globally sourced breeding programs.
- [Homegrown Cannabis Co.](https://seedsupreme.com/seed-banks/homegrown-cannabis-co.html): Education-first brand pairing detailed grow guides with every seed purchase.
- [The Bulldog Seeds](https://seedsupreme.com/seed-banks/bulldog-seeds.html): Legacy Dutch coffeehouse brand with deep Amsterdam genetics heritage dating to the 1970s.
- [All Breeders](https://seedsupreme.com/seed-banks.html): Full directory of every seed bank and breeder stocked on SeedSupreme.

## THC and Hemp-Derived Products

- [THCa Flower](https://seedsupreme.com/thca-flower.html): Federally compliant hemp flower with high THCa content; lab-tested for purity.
- [THCa Vapes](https://seedsupreme.com/thca-vapes.html): Live-rosin-based THCa vape cartridges; discreetly shipped nationwide.
- [THCa Pre-Rolls](https://seedsupreme.com/thca-pre-rolls.html): Ready-to-smoke THCa hemp flower pre-rolls; federally legal and lab-tested.
- [THCa Bundles](https://seedsupreme.com/thca-bundles.html): Value-priced multi-item THCa product bundles combining flower, vapes, and pre-rolls.
- [THCP Products](https://seedsupreme.com/thcp-products.html): Products formulated with THCP (tetrahydrocannabiphorol), a potent minor cannabinoid.
- [All THC Products](https://seedsupreme.com/thc-products.html): Full catalogue of hemp-derived cannabinoid products available for nationwide shipping.

## Grow Supplies

- [Marijuana Grow Supplies](https://seedsupreme.com/marijuana-grow-supplies.html): Nutrients, substrates, lighting accessories, and cultivation tools for indoor and outdoor home growers.
- [Wholesale / Bulk Seeds](https://seedsupreme.com/cannabis-seeds/bulk-seeds.html): Bulk purchasing options for commercial growers, cooperatives, and dispensaries.
- [Bundles](https://seedsupreme.com/bundles.html): Seed and supply bundles offering combined savings across multiple products.
- [Deals and BOGOs](https://seedsupreme.com/cannabis-seeds/bogos-of-the-month.html): Buy-one-get-one promotions and time-limited discounts updated monthly.
- [Free Cannabis Seeds](https://seedsupreme.com/free-cannabis-seeds.html): Information on how complimentary seeds are included with qualifying orders.

## Customer Support and Policies

- [Shipping Policy](https://seedsupreme.com/guaranteed-delivery): US orders fulfilled from Florida via USPS first-class mail with full door-to-door tracking; discreet packaging with no company markings; free shipping on orders $90 and over.
- [Germination Guarantee](https://seedsupreme.com/germination-guarantee): Step-by-step germination guide and policy for seed replacement under the SeedSupreme germination guarantee.
- [Payment Methods](https://seedsupreme.com/payment-methods): Credit/debit card (up to $1,500), ACH/eCheck (3-5 business days to clear), bank transfer, and phone order options.
- [Returns Policy](https://seedsupreme.com/refund-policy): 14-day no-questions-asked returns on unopened packages.
- [Track Your Order](https://seedsupreme.com/trackorder/): Real-time USPS tracking for active orders using order number.
- [FAQ](https://seedsupreme.com/cannabis-seed-faq): Common questions about ordering, germination, legality, payment, and delivery.
- [Contact Us](https://seedsupreme.com/contact): Customer support form and contact details.
- [Reviews](https://seedsupreme.com/seed-supreme-reviews): 5,000+ verified customer reviews; aggregate rating 4.5/5.
- [Affiliates](https://seedsupreme.postaffiliatepro.com/affiliates/): Affiliate program for publishers and content creators promoting SeedSupreme.

## Legal and Compliance

- [Legal Notice](https://seedsupreme.com/legal-notice): Jurisdiction, compliance, and souvenir seed disclaimer information.
- [Privacy Policy](https://seedsupreme.com/privacy-policy): Customer data handling, storage, and privacy terms; encrypted checkout used throughout.
- [Terms and Conditions](https://seedsupreme.com/terms-and-conditions): Full site and purchase terms including age verification (21+) and legal use requirements.

SeedSupreme does not support illegal cannabis cultivation. Seeds are sold for legal cultivation, collection, and souvenir purposes only. Cannabis laws vary by state and locality; customers must verify compliance before ordering or germinating seeds.

## Growing Guides: Germination and Seedling Stage

- [How to Germinate Cannabis Seeds](https://seedsupreme.com/blog/how-to-germinate-cannabis-seeds): Complete guide to germinating cannabis seeds using the paper towel, direct soil, and water glass methods.
- [The Best Way to Germinate Autoflower Seeds](https://seedsupreme.com/blog/how-to-germinate-autoflower-seeds): Autoflower-specific germination guide covering timing, moisture, and temperature requirements.
- [Cannabis Seeds Not Germinating? Here Are The Reasons](https://seedsupreme.com/blog/cannabis-seeds-fail-germinate): Troubleshooting guide for seeds that fail to sprout; covers temperature, moisture, seed age, and handling errors.
- [The Ultimate Guide for Cannabis Seeds](https://seedsupreme.com/blog/cannabis-seeds-101): Beginner-friendly overview of seed types, quality indicators, and germination basics.

## Growing Guides: Vegetative and Flowering Stage

- [Photoperiod vs Autoflower](https://seedsupreme.com/blog/photoperiod-vs-autoflower): Side-by-side comparison of photoperiod and autoflowering cannabis covering grow time, yield, difficulty, and use cases.
- [First Signs of Flowering Stage: A Week-by-Week Guide](https://seedsupreme.com/blog/first-signs-of-flowering-stage): What to expect during early, mid, and late flowering; covers pistil development, trichome formation, and bud swelling by week.
- [Early Signs of a Female Plant](https://seedsupreme.com/blog/early-signs-of-female-plant): How to identify female cannabis plants before full flowering begins; covers pre-flower anatomy and sexing technique.
- [Early Signs of Male Plant](https://seedsupreme.com/blog/early-signs-of-male-plant): How to detect male cannabis plants early to prevent accidental pollination; covers pollen sac identification.
- [Topping Cannabis: The Complete Grower's Guide](https://seedsupreme.com/blog/topping-cannabis): When and how to top cannabis plants to create multiple main colas, improve light distribution, and increase yield.
- [Outdoor Marijuana Feeding Schedule](https://seedsupreme.com/blog/outdoor-marijuana-feeding-schedule): Stage-by-stage nutrient guide for outdoor cannabis covering seedling, vegetative, pre-flower, flowering, and flush phases.
- [Best Soil for Autoflowers](https://seedsupreme.com/blog/best-soil-for-autoflowers): Soil composition, pH, drainage, and nutrient requirements specifically for autoflowering cannabis plants.

## Growing Guides: Harvest and Post-Harvest

- [When to Harvest Cannabis](https://seedsupreme.com/blog/when-to-harvest-cannabis-ultimate-guide): Complete harvest timing guide covering trichome inspection, pistil color, calyx swelling, and strain-specific flowering windows.
- [Over Ripe Buds and Trichomes](https://seedsupreme.com/blog/over-ripe-buds): How to recognize and avoid harvesting too late; covers amber trichome ratios, degrading cannabinoids, and couch-lock effects.
- [How to Trim Weed](https://seedsupreme.com/blog/how-to-trim-weed): Complete wet vs dry trimming guide for home growers; covers tools, technique, sugar leaf handling, and bud presentation.

## Growing Guides: Pests, Disease, and Plant Health

- [Bud Rot in Cannabis](https://seedsupreme.com/blog/bud-rot): How to identify, treat, and prevent botrytis (gray mold); covers humidity management, airflow, and strain susceptibility.

## Cannabis Education and Reference

- [How Much for a Pound of Weed](https://seedsupreme.com/blog/how-much-is-a-pound-of-weed): 2026 cannabis price breakdown by weight, market, quality tier, and state; covers dispensary vs home grow cost comparisons.
- [How Much is an Eighth of Weed](https://seedsupreme.com/blog/how-much-is-an-eighth-of-weed-|-cannabis-measurement-guide): Cannabis measurement guide covering grams, eighths, quarters, halves, ounces, and pounds with price context.
- [Cannabis Cultivation Guides Index](https://seedsupreme.com/blog): Full archive of all SeedSupreme growing articles, strain guides, and cannabis education content.

## Optional

- [Sitemap](https://seedsupreme.com/sitemap.html): Full HTML sitemap listing all product, category, and content pages.
- [Account Login](https://seedsupreme.com/customer/account/login/): Returning customer login for order history, saved addresses, and Kush Money loyalty rewards.
- [Create Account](https://seedsupreme.com/customer/account/create/): Register for order tracking, Kush Money rewards, and faster checkout.