What Green House Seed does

Green House Seed Company, legally GHSC Trading B.V., is a Netherlands-based cannabis seed bank founded in 1986 and headquartered in Amsterdam. The company operates a direct-to-consumer e-commerce model through shop.greenhouseseeds.nl, selling proprietary feminized cannabis seeds, curated strain bundles, and complementary product lines including Green House Feeding fertilizers and branded merchandise (clothing, smoking accessories, DVDs). Its underlying asset is a proprietary genetics library spanning 100+ strains organized into distinct breeding families — Arjan's Haze, Kush, and White Family — built over nearly four decades and validated by multiple High Times Cannabis Cup wins across Sativa, Indica, and Hybrid categories. The company monetizes through one-time seed purchases priced from approximately €8 to €150 per seed depending on strain rarity, with bundle pricing from €39-€136 and a secondary merchandise stream that includes premium collaborations with Dutch streetwear brand Patta.

The go-to-market is exclusively D2C online, shipping globally except into the United States, Netherlands, and Canada. Customers are adult individuals in legal jurisdictions cultivating for personal recreational or medicinal use — a horizontal segmentation that produces a long-tailed, low-concentration customer base rather than enterprise accounts. Distribution is organized through multiple regional storefronts: the main Dutch hub plus dedicated sites for Thailand, South Africa, and an informational USA presence. The company maintains sub-brands including StrainHunters (landrace preservation and documentary media), Green House Feeding (cultivation inputs), Green House Amsterdam (coffee shop association), and GHM Botanicals, allowing portfolio extension under shared brand equity. Marketing relies primarily on SEO-driven organic search, promotional discounting (20% off campaigns), bundled value packs, and direct WhatsApp support rather than paid acquisition, reflecting category-level advertising restrictions on cannabis in most jurisdictions. The company appears founder-owned and privately held with no disclosed institutional investment, funding rounds, or M&A activity in the source material.

Name

Green House Seed

Legal name

GHSC Trading B.V.

Website

https://greenhouseseeds.nl

Company type

Private

Founded year

1986

Operating status

Operating

Headcount range

11–50 employees

Short description

Green House Seed Company is a Netherlands-based cannabis seed bank, founded in 1986 and headquartered in Amsterdam, that sells proprietary feminized cannabis seeds, strain bundles, fertilizers, and branded merchandise directly to consumers worldwide via its e-commerce platform.

Ownership category

akta.pro rank

Product category

Cannabis Seeds

NAICS

Nursery, Garden Center, and Farm Supply Retailers (444240), Nursery, Garden Center, and Farm Supply Retailers (44424)

SIC

Retail-Building Materials, Hardware, Garden Supply (5200)

akta.pro primary industry

Plants, Seeds & Nursery Retail (Garden Centers) (CRAIAIAB)

akta.pro secondary industries

Seed Production & Multiplication (Contract Growing, Foundation/Certified Seed) (AFABAFAK), Cannabis Lifestyle & Apparel/Brand Merchandise Retail (CRANAHAJ), Cannabis Accessories & Smoke Shops (Pipes, Papers, Grinders) (CRANAHAG)

Keywords

• Cannabis seed bank
• Feminized cannabis seeds
• Cannabis genetics
• Autoflowering seeds
• Cultivation supplies

Headquarters

HQ city

Amsterdam

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Hardware or Manufacturing

Cost components

Supply Chain, Marketing or Sales, Personnel, Operations

Revenue model

1. Cannabis Seed Sales: One-time purchase model for cannabis seeds sold in various pack sizes (1, 3, 5, 10 seeds) and themed bundles. Customers can purchase individual strains or curated bundles (OG Bundle, USA Bundle, Sativa Bundle, Autoflowering Bundle, etc.).
2. Merchandise Sales: Secondary revenue from branded merchandise including clothing (t-shirts, hoodies, hats), smoking accessories (grinders, lighters, rolling papers, stashbags), DVDs (grow sessions, documentaries), and joint collaboration items.
3. Plant Feeding Products: Green House Feeding product line including mineral and bio fertilizers, boosters, and growing additives sold as companion products to seeds.

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels4 records

Core offering

Green House Seed Company (GHSC Trading B.V.) breeds, develops, and sells cannabis seeds along with branded cultivation products such as Green House Feeding fertilizers and lifestyle merchandise including collaborations like Patta x GH. The company operates a catalog of strain families and sells through regional e-commerce sites targeting home growers and cannabis enthusiasts.

Product overview

Green House Seed is a cannabis seed bank offering a comprehensive portfolio centered on feminized cannabis seeds, with sub-categories including autoflowering, CBD, hybrid, indica, and sativa varieties. The core product line features signature strain families (Arjan's Haze, Kush, White), while complementary offerings include Green House Feeding fertilizers and branded merchandise. Bundles provide curated multi-strain packs, and collaboration items like the Patta x GH line extend the brand into lifestyle apparel. The company operates multiple regional sites including dedicated stores for USA and Thailand markets.

Differentiator

Problem solved

Functional benefit

Brands

• StrainHunters: A brand focused on hunting and preserving cannabis landrace strains from around the world.
• GreenHouseFeeding
• GreenHouseAmsterdam
• GHM Botanicals

Products and services

• Feminised Cannabis Seeds
• Seed Bundles
• Green House Feeding
• Green House Merchandise
• Patta x Green House Collaboration

Segments1 record

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Partnerships

One partnership is on record.

• Patta (Fashion Brand)minorGTM or Marketing PartnerCollaborative merchandise partnership producing co-branded clothing and accessories. Patta x GH collaboration includes t-shirts, hoodies, rolling trays, and joint holders. Limited edition items sold at premium pricing (€60-€240 range).

Scale indicators1 record

Recent moves5 records

Expansion highlights6 records

Emerging players

• ILGM (I Love Growing Marijuana): U.S.-focused cannabis seed retailer with strong DTC e-commerce, beginner-grower educational content, and a money-back germination guarantee. Comparable on DTC e-commerce model and home-grower customer segment, but operates primarily in the U.S. market that Green House is restricted from selling into.
• Fast Buds: Fast-growing autoflowering-focused cannabis seed company with strong DTC e-commerce and global shipping. While narrower in scope (autoflowers only), it is emerging as a leading disruptor to legacy seed banks like Green House, particularly on price-per-seed and digital marketing execution.

Direct peers

• DNA Genetics: Award-winning cannabis seed brand (Amsterdam/LA heritage) with multiple Cannabis Cup wins and a catalog of cup-winning strains sold via DTC and licensed producers. Direct competitor on premium genetics positioning, though DNA has also pivoted into licensed U.S. cultivation — a contrast to Green House's restricted-geography model.
• Sensi Seeds: Amsterdam-based cannabis seed bank founded in 1985, one of the longest-standing and most recognized competitors to Green House Seed Co. Operates a similar DTC e-commerce model with feminized, autoflowering, and regular seed catalogs plus branded merchandise, directly overlapping in target market, geography, and product breadth.
• Dutch Passion: Amsterdam-based cannabis seed bank established in 1987, also among the oldest and most awarded European seed banks. Competes head-to-head with Green House on feminized seeds, autoflowers, and CBD genetics, and operates a comparable DTC web shop plus distributor network across Europe. Highly comparable on heritage, geography, and customer base.
• Royal Queen Seeds: Amsterdam-headquartered cannabis seed bank with broad feminized, autoflowering, and CBD catalogs sold DTC globally. Notable for a younger, more digitally native brand with strong e-commerce and content marketing — directly competitive with Green House Seed Co. in the same product category and customer segments.
• Paradise Seeds: Amsterdam-based cannabis seed company founded in 1994 with award-winning strains and DTC web shop presence in Europe. Comparable to Green House Seed Co. in heritage, breeding focus, and DTC distribution, though somewhat smaller catalog and brand footprint.
• Barney's Farm: Amsterdam-based cannabis seed breeder with award-winning genetics (multiple Cannabis Cup wins) sold via DTC and global distributor network. Direct competitor to Green House on strain development, autoflowering, and feminized seeds, with comparable brand positioning around high-THC cup-winning genetics.

Broad incumbents

• Canopy Growth Corporation: Large publicly listed Canadian cannabis company that has acquired seed genetics and develops its own seed-to-sale operations. Not a direct DTC seed bank competitor, but a representative broad incumbent in the cannabis value chain whose scale and licensing capabilities highlight the structural difference between regulated producers and gray-market DTC seed banks like Green House.

Regional players

• Humboldt Seed Company: California-based cannabis seed breeder and distributor focused on the U.S. West Coast with strong genetics and collaboration partnerships. Comparable product category (feminized seeds, autoflowers) but operates primarily in restricted U.S. markets; relevant as a benchmark for U.S.-licensed competitors Green House cannot sell against.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat3 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/greenhouseseeds

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Green House Seed