Extraction Mix Feminized Seed Stockers High Resin Yield · 12 Premium Strains for Concentrates

The Extraction Mix Feminized by Seed Stockers is a premium 12-seed collection specifically curated to deliver massive resin production for top-tier cannabis concentrates. By combining four elite photoperiod strains—Black Rainbow, Blackberry Gum, Mack & Crack, and Santa Marta Haze—this pack guarantees an unparalleled yield of sticky, terpene-rich trichomes that elevate your hash and rosin to the next level.

Are you constantly worried about the intense odors of your grow room bothering your neighbors, or feeling like you are just winging it when trying to cultivate strains for high-quality extractions?

This lack of control quickly turns into daily nerves and discomfort, making it impossible to enjoy your growing hobby calmly. When you are unsure if your plants will yield enough resin, or if their unpredictable growth will breach your privacy, the entire process becomes a stressful gamble rather than a rewarding experience.

The Extraction Mix Feminized by Seed Stockers is your ultimate tool to regain control and grow with confidence. By providing stable, predictable genetics specifically bred for massive resin production, this mix allows you to plan your canopy, manage odors effectively, and secure a top-tier harvest discreetly and safely.

Unmatched discretion and fewer worries

When growing for extractions, managing the intense aromas of highly resinous plants can be a major concern. The strains in the Extraction Mix Feminized have been selected not only for their massive yield but also for their manageable growth structures. With proper carbon filtering, you can easily contain the complex terpene profiles—ranging from the sweet cotton candy of Blackberry Gum to the sharp pine of Santa Marta Haze—keeping your indoor garden completely undetected.

Furthermore, having a diverse mix of genetics allows you to stagger your harvests if needed, reducing the overwhelming odor that comes from trimming a massive monocrop all at once. This strategic variety gives you peace of mind, knowing you can process your sticky buds discreetly and without drawing unwanted attention from neighbors.

Total control over your extraction experience

• Diverse terpene profiles: Blend citrus, berry, and skunk notes for unique, mouth-watering rosin flavors.
• Predictable resin yields: These genetics are naturally predisposed to produce thick, heavy trichome heads.
• Balanced effects: Choose between the sativa energy of Mack & Crack or deep indica relaxation.
• Adaptable growth: Photoperiod traits let you control the vegetative stage duration to fit your space.
• Consistent potency: THC levels consistently reach between 20% and 30% across the entire mix.
• Optimized for washing: Dense, sticky bud structures make ice water hash extraction highly efficient.

How to grow and process responsibly

Follow these steps to ensure a smooth, discreet, and highly productive cultivation and extraction process.

1. Prepare your environment: Ensure your grow tent has a high-quality carbon filter to manage the intense aromas safely.
2. Label your plants: Keep track of the four different strains to tailor their specific feeding and lighting needs.
3. Manage the canopy: Use training techniques to maximize light penetration and keep the taller sativas under control.
4. Harvest at peak ripeness: Wait for milky trichomes to ensure the highest cannabinoid concentration for your extractions.
5. Process discreetly: Perform your ice water or rosin extractions in a well-ventilated, private space to avoid disturbing others.
6. Store safely: Keep your finished concentrates in airtight glass jars in a cool, dark place for maximum longevity.

Benefits of having your extractions under control

• Guaranteed quality: You know exactly what goes into your hash and rosin, ensuring a pure product.
• Cost efficiency: Producing your own premium concentrates at home saves significant money in the long run.
• Tailored effects: Mix and match the different strains to create your perfect daytime or nighttime dab.
• Fewer surprises: Reliable Seed Stockers genetics ensure stable, predictable growth and massive resin yields.
• Peace of mind: Growing discreetly and safely at home keeps your hobby completely private and secure.

Technical specifications

• Breeder: Seed Stockers
• Type: Feminized photoperiod
• Genetics: Black Rainbow, Blackberry Gum, Mack & Crack, Santa Marta Haze
• Dominance: Mixed (Indica and Sativa varieties)
• Flowering (Indoor): 8–15 weeks depending on the strain
• Outdoor harvest: Late September to late November (Northern Hemisphere)
• Yield (Indoor): 500–600 g/m² (1.64–1.97 oz/ft²) approx.
• Yield (Outdoor): 0.40–1.00 kg/plant (0.88–2.20 lb/plant) approx.
• Height (Indoor): 0.80–1.50 m (2.62–4.92 ft) approx.
• Height (Outdoor): 1.50–3.00 m (4.92–9.84 ft) approx.
• Difficulty: Medium (requires canopy management for different heights)
• Ideal climate: Temperate, Mediterranean; Haze requires long summers
• Recommended pot: 11–20 L depending on space
• Environmental ranges: Veg 22–26 °C; Flowering 20–25 °C; pH 6.0–6.5 (soil)
• Smell in grow: High (carbon filter mandatory)
• THC: 15%–30% approx. (varies by strain)
• CBD: Low
• Aromatic profile: Citrus, sweet berries, pine, skunk, and earthy Kush
• Effect: Ranging from intense cerebral euphoria to deep physical relaxation

Stages and monitoring of the Extraction Mix

Preparation and start

Begin with a solid foundation to ensure these diverse genetics establish strong root systems early on.

• Germinate seeds at 22–25 °C with high humidity.
• Label pots clearly to track the four different strains.
• Use BAC Root Stimulator to accelerate early root development.
• Transplant into 11–20 L final pots carefully.
• Keep seedlings under 18/6 light with gentle watering.

Vegetative growth

Control the canopy height, especially for the stretchy sativa strains like Santa Marta Haze.

• Maintain temperatures around 22–26 °C and 50–60% RH.
• Apply LST or SCROG to even out the canopy.
• The Plagron Organic Premium Fertilizer Kit provides perfect baseline nutrition.
• Ensure good airflow to strengthen the main stems.
• Prune lower branches to focus energy on top colas.

Flowering phase

Switch to 12/12 lighting and prepare for explosive trichome production across all phenotypes.

• Lower humidity to 40–50% to prevent bud rot.
• Add Mills C4 Flowering Stimulator to maximize resin and density.
• Support heavy branches on the Mack & Crack plants.
• Keep a close eye on the late-blooming Haze.
• Monitor trichomes closely as flowering times vary greatly.

Harvest and extraction

Time your harvest perfectly to capture the optimal terpene profiles for your concentrates.

• Flush plants 10–14 days before their respective harvest windows.
• Chop when trichomes are mostly milky for peak potency.
• Dry slowly at 18–22 °C and 50–60% RH.
• Store cured buds in airtight glass jars.
• Freeze fresh buds immediately if making live rosin.

Frequently Asked Questions

Are these strains difficult to grow together?

While they have different flowering times, growing them together is highly manageable if you label them clearly and adjust your harvest schedule accordingly.

Which strain in the mix produces the most resin?

Mack & Crack and Black Rainbow are exceptional resin producers, but all four strains are specifically chosen for their incredibly high trichome density.

Can I grow this mix outdoors?

Yes, but keep in mind that Santa Marta Haze requires a long tropical summer to finish properly, often reaching up to 3.00 m (9.84 ft) in height.

How do I minimize the odor during flowering?

Because these strains are highly resinous and aromatic, using a high-capacity carbon filter inline fan system is absolutely essential for maintaining total discretion.

Personal Experience of Pevgrow’s CEO (Alan)

Growing the Extraction Mix Feminized by Seed Stockers has completely changed how I approach my concentrate production. Having four distinct, high-yielding strains in one pack gives me the ultimate control over my hash-making routine. I love the peace of mind that comes from knowing exactly what genetics are going into my rosin press. My personal trick is to harvest the Blackberry Gum a bit early for a super sweet, uplifting daytime dab, while letting the Mack & Crack mature fully for a heavy, nighttime couch-lock effect.

The discretion this mix offers is fantastic, provided you have your carbon filters dialed in. I usually run the indicas and sativas in slightly different zones of my grow room to manage their heights, which keeps my canopy organized and stress-free. If you are serious about making your own clean, potent extracts at home without the guesswork, this mix is an absolute game-changer.