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active Netherlands Established: 1985

Green House Seeds

Green House Seed Company (GHSC) is a legendary Amsterdam-based cannabis seed bank and breeder founded by **Arjan Roskam** and **Franco Loja**. It is one of the most influential and recognized names in the global cannabis industry, often credited with helping to professionalize and popularize cannabis breeding and seed sales worldwide. **History & Contributions:** - **Founding Era:** Established during the early days of the Dutch coffee shop scene, GHSC operated from the iconic Green House coffeeshops in Amsterdam. - **Strain Development:** Famous for creating and stabilizing numerous award-winning and commercially dominant strains. Their most famous creation is **Super Silver Haze**, which won the Cannabis Cup three years in a row (1997, 1998, 1999). Other landmark strains include **White Widow**, **Great White Shark**, **El Nino**, and **Arjan's Haze**. - **Seed Bank Pioneer:** Was one of the first companies to professionally market and sell cannabis seeds globally via mail order, setting a standard for quality and reliability. - **Media & Branding:** Gained massive international exposure through the **Strain Hunters** documentary series (launched 2008), where Arjan and Franco traveled the world to collect and preserve landrace genetics. This project significantly boosted their brand and highlighted the importance of genetic preservation. - **Coffee Shop Legacy:** The Green House coffeeshops (particularly in Amsterdam) have been central to cannabis culture and tourism for decades. **Philosophy & Approach:** Green House's philosophy has evolved from simply creating powerful hybrids to a strong focus on **genetic preservation and exploration**. The Strain Hunters mission reflects a commitment to finding, documenting, and saving rare landrace strains from extinction. Their breeding work often focuses on combining these pure landrace genetics with their stable, high-quality hybrids to create new, unique varieties. They emphasize **stability, potency, and flavor** in their breeding projects, with a commercial focus on creating strains that perform well for both growers and consumers.

Created Strains

4 Strains
Hybrid
8 0 0

Miracle 15

THC 22.0%
CBD 0.1%

**Miracle 15** is a potent hybrid strain developed by Green House Seeds, renowned for its balanced effects and impressive resin production. This strain is a cross between **Miracle Alien Cookies (MAC)** and **Gelato #33**, inheriting the best traits from both legendary parents. **Genetics & Profile:** With a 60% indica / 40% sativa genetic makeup, Miracle 15 delivers a powerful, full-spectrum experience. It typically tests around **22% THC**, making it a strong choice for experienced consumers. The terpene profile is dominated by **myrcene**, contributing to its deeply relaxing and sedative base, complemented by **caryophyllene** for pain relief and **limonene** for mood elevation. **Effects & Medical Use:** The high begins with a cerebral rush of euphoria and mental clarity, characteristic of its sativa lineage, which gradually melts into a profound body relaxation. This makes it exceptionally effective for treating **chronic stress, anxiety disorders, and depression** without causing excessive sedation. Patients also report significant relief from **chronic pain, inflammation, and fatigue**. **Cultivation:** Growers appreciate Miracle 15 for its **high yield** of dense, trichome-covered buds. It has an **average flowering time of 9 weeks** and adapts well to both indoor and outdoor environments. While it requires some attention to nutrient levels and training (making it **moderate** in difficulty), the reward is a generous harvest of top-shelf flowers. **Flavor & Aroma:** The flavor is a complex blend of **sweet citrus and berries** on the inhale, with a distinct **earthy, woody** finish. The aroma is intensely **fruity and sweet** with classic skunky undertones, making it as pleasurable to smell as it is to consume.

Relaxed Euphoric Happy
Hybrid
25 0 0

White Widow

THC 20.0%
CBD 0.1%

**White Widow** is a legendary cannabis strain that achieved worldwide fame in the 1990s after winning multiple Cannabis Cup awards. This balanced hybrid (60% sativa/40% indica) is renowned for its **dense, resin-coated buds** that sparkle like they're covered in frost - hence the 'white' in its name. **Effects & Medical Use:** The high begins with a **cerebral, euphoric rush** characteristic of its sativa dominance, promoting creativity, focus, and social engagement. This gradually mellows into a gentle, relaxing body effect from its indica genetics, making it excellent for **daytime or evening use**. Medically, it's prized for combating stress, depression, and fatigue while stimulating appetite. **Cultivation:** White Widow is a **grower-friendly strain** resistant to common molds and pests. It adapts well to both indoor and outdoor cultivation, with indoor flowering time of approximately 8 weeks. The plants develop a **robust structure** with strong lateral branching, producing generous yields of those iconic frosty buds. **Terpene Profile:** Dominated by **myrcene** with supporting notes of **pinene and caryophyllene**, creating its distinctive earthy-pine aroma with spicy, citrus undertones.

Euphoric Energetic Creative
Sativa
8 0 0

Lemon Haze

THC 22.5%
CBD 0.1%

**Lemon Haze** is a legendary sativa-dominant hybrid that has won multiple Cannabis Cup awards. Created by crossing **Lemon Skunk** with **Silver Haze**, this strain delivers a powerful cerebral high characterized by intense euphoria and mental clarity. The effects are uplifting and energizing, making it an excellent choice for daytime use when focus and creativity are needed. **Key Characteristics:** - **Aroma/Flavor:** Dominant lemon and citrus notes with undertones of sweet earthiness - **Effects:** Fast-acting cerebral stimulation followed by sustained energy - **Medical Use:** Popular for treating mood disorders, fatigue, and stress - **Growing:** Requires some experience due to its height and nutrient sensitivity **Warning:** High THC content may cause anxiety in sensitive users. Start with low doses.

Euphoric Energetic Creative
Indica
9 0 0

White Rhino

THC 18.5%
CBD 0.2%

White Rhino is a classic, award-winning indica-dominant hybrid renowned for its powerful, full-body effects and medicinal potency. Originally bred by Green House Seeds, it's a cross between a Brazilian sativa landrace and a potent South Indian indica, with genetics tracing back to the legendary White Widow. The strain is characterized by its dense, resin-coated buds that glisten with trichomes, giving it a "white" appearance—hence the name. **Key Characteristics:** * **Potent Effects:** Delivers a heavy, relaxing body high that begins with cerebral euphoria before settling into deep physical sedation. Ideal for evening or nighttime use. * **Medicinal Powerhouse:** Highly valued by medical patients for its efficacy in treating chronic pain, muscle spasms, insomnia, and stress. * **Resilient Cultivation:** A robust plant that is forgiving for beginners, resistant to common molds and pests, and produces consistently high yields of dense, aromatic flowers. * **Aroma & Flavor:** Features a complex profile of earthy, woody, and spicy notes with a pungent, skunky undertone that becomes more pronounced upon curing.

Relaxed Euphoric Sleepy