Colombian Jack Feminized Seeds · Kannabia · Sativa-Dominant Powerhouse

Colombian Jack Feminized Seeds by Kannabia are your ticket to cultivating a legendary sativa-dominant powerhouse, a strain that combines stratospheric potency with an elegant flavor profile of lime, grapefruit, and incense to deliver an uplifting, creative high.

Do you ever feel like your grow space or stash lacks that electrifying, mind-expanding sativa energy? You plant seeds hoping for a cerebral adventure, but end up with predictable, couch-locking effects that leave you sluggish instead of inspired. This frustration wastes your time and harvest potential, leaving you with buds that don't match your active lifestyle.

Colombian Jack is the definitive solution. This award-winning genetics cross between Black Jack and Nebula brings the best of both worlds: the soaring sativa effect and the robust structure and resin production you crave. It transforms your garden into a source of pure, energetic inspiration.

How This Strain Saves You Time and Effort

Forget about finicky, unstable sativas that stretch uncontrollably or herm. Colombian Jack's balanced genetics offer remarkable homogeneity, meaning predictable growth and less time spent troubleshooting. Its vigorous structure is responsive to training, allowing you to shape your canopy efficiently without guesswork. The plant's natural resilience translates to fewer worries about pests or environmental stress, giving you back hours you'd spend on plant healthcare.

The flowering phase is where it truly shines. You get the sativa-style elongated, resin-drenched buds without an excessively long wait. This means you can plan your harvest schedule with confidence, moving from one successful grow to the next without lengthy delays. The high yield potential—both indoors and out—maximizes the return on your time investment, ensuring every minute spent tending your garden pays off in abundance.

Simple Steps to Grow Colombian Jack Without Wasting a Minute

Follow this streamlined process for a successful, low-hassle harvest.

1. Germinate with Confidence: Start your seeds in a moist paper towel or directly in a light, airy seed starter mix. A product like Natural Clone de Trabe can provide a gentle, rooting-friendly environment for young seedlings.
2. Establish Strong Roots: Once sprouted, transplant to a final pot sized between 11–20 L (2.9–5.3 gal). Use a well-draining substrate to prevent overwatering issues.
3. Guide Vigorous Growth: During the vegetative stage under an 18/6 light cycle, employ Low-Stress Training (LST) to manage height and promote an even canopy. This sativa-dominant plant benefits from this early shaping.
4. Trigger Flowering: Switch the lights to a 12/12 cycle. Watch for the characteristic stretch and the development of long, spear-shaped bud sites.
5. Support Heavy Flowers: As buds swell and become dense, provide stakes or a SCROG net to support the branches, preventing breakage.
6. Flush and Harvest: In the final two weeks, flush with plain water. Harvest when trichomes are mostly milky with some amber for a balanced effect.
7. Dry and Cure: Hang dry in a dark space at 18–22 °C (64–72 °F) and 50–60% RH for 10–14 days, then cure in jars for optimal flavor.

Advantages and Benefits in Your Daily Routine

Growing Colombian Jack integrates seamlessly into an active lifestyle, offering tangible rewards.

• Consistent Morning Boost: Its clear-headed, energetic high is perfect for starting your day with creativity and focus, replacing the need for multiple cups of coffee.
• Social Catalyst: The uplifting effect makes it an ideal companion for gatherings, hikes, or creative sessions, enhancing experiences without sedation.
• Grower's Pride: Cultivating an award-winning strain (Best Sativa, Expogrow 2018) adds a layer of satisfaction and conversation to your hobby.
• High-Yield Efficiency: Maximize your space and effort with potential yields of up to 500 g/m² (1.1 lb/ft²) indoors or 600 g (1.32 lb) per plant outdoors.
• Aromatic Therapy: The growing tent becomes a source of refreshing citrus and incense aromas, a natural mood enhancer during your daily check-ins.
• Simplified Decision Making: With reliable genetics, you spend less time debating what to grow next and more time enjoying the process.

Tips to Integrate It Into Your Habits Without Friction

Keep your Colombian Jack grow running smoothly with these habits. Designate a specific time each day for a quick plant check—morning or evening—to maintain consistency without it feeling like a chore. Keep your nutrient schedule simple; a balanced base feed supplemented with a bloom booster like Radical Flower during the flowering stretch is often enough. Store your harvested buds in a dedicated, airtight container in a cool, dark place, so your premium smoke is always ready when inspiration strikes.

Technical Specifications

• Breeder / Brand: Kannabia
• Type: Feminized Photoperiod
• Dominance: Sativa-Dominant Hybrid
• Genetics: Black Jack x Nebula
• Indoor Flowering Time: 64–71 days
• Outdoor Harvest: Late October (Northern Hemisphere)
• Indoor Yield: High, up to 500 g/m² (1.1 lb/ft²)
• Outdoor Yield: High, up to 600 g (1.32 lb) per plant
• Indoor Height: Tall, approx. 1.0–1.5 m (3.3–4.9 ft)
• Outdoor Height: Up to 2.0 m (6.6 ft)
• Difficulty: Moderate
• THC Content: Very High, approx. 28–29%
• CBD Content: Low,
• Aromatic Profile: Dominant notes of lime, grapefruit, and incense
• Effect: Uplifting, Creative, Energetic

Frequently Asked Questions

How much time does it require daily?

Once established, Colombian Jack needs just a few minutes daily for checking water, pH, and overall health. The main time investment is during training in veg and setup/harvest.

Is it suitable for beginner growers?

Its moderate difficulty rating makes it best for growers with some experience. Its vigor is forgiving, but managing its sativa stretch and supporting heavy buds requires attentive care.

What's the best way to manage its height indoors?

Employ Low-Stress Training (LST) early in vegetation and consider a SCROG net. Topping can also help control height and encourage bushier growth. Switching to 12/12 before it gets too tall is key.

How often should I feed it nutrients?

Follow a standard feeding schedule for vigorous photoperiod plants. Start with a light nutrient solution in early veg and increase gradually. During the flowering stretch, a PK booster can be beneficial. Always monitor plant response.

What is the minimum maintenance it needs?

Consistent watering, stable environment (22–26 °C / 72–79 °F in veg, 20–25 °C / 68–77 °F in flower), and good airflow are essential. Defoliate lightly to improve light penetration and air circulation around the dense buds.

Personal Experience of Pevgrow’s CEO (Alan)

Let me tell you, Colombian Jack is a strain that reminds you why you love growing sativas. When I'm pressed for time but want a project that delivers, this is a go-to. I run it in a simple coco-perlite mix with automated drip irrigation to save on daily chores. The key is to top it early and use a SCROG net—this beast wants to reach for the sky, and you need to gently persuade it to grow wide instead. The stretch after flipping to 12/12 is significant, so be ready.

The payoff is immense. The aroma that fills the room late in flower is unreal—like peeling a lime in a cedar woodshop. It's a clean, energetic smoke that's perfect for a weekend afternoon when you have projects to tackle or just want to vibe with some music. Compared to other sativa-dominant hybrids, it's surprisingly manageable and packs a heavier yield. My pro-tip: don't rush the harvest. Let those trichomes get nice and cloudy for that classic, soaring cerebral effect. It's a rewarding grow for anyone who appreciates a classic, potent sativa experience without the extreme finickiness of some pure landraces.