How to Grow Green Crack Seeds (2025 Grow Diary)

Green Crack is a vibrant hybrid with a 65% sativa / 35% indica split, bred from Skunk × Afghani Landrace. Achieving up to 20% THC and up to 0.5% CBD, this strain delivers an energetic, focused, and sociable high. Expect a tropical, citrus-sweet aroma with hints of mango and lemon tree. Green Crack flowers in 8–9 weeks, grows to 50–60 inches, and yields 1.6–1.9 oz/ft² indoors or 17–20 oz/plant outdoors. Harvest timing? Expect it by the end of September.

Here’s how to grow Green Crack strain step by step.

Green Crack

• All-Day Smoke
• Designed for Advanced Growers
• Energizing Daytime Experience
• Ideal for Green House Cultivation
• Ideal for Outdoor Cultivation

1+1 Free$24$19view product

👉 Shop Green Crack seeds at Hypno Seeds
🔗 Learn more about Green Crack strain on Leafly

Setup Checklist for Growing Green Crack Seeds

Green Crack loves light and thrives under proper airflow and structured training.

🏕️ Indoor Setup

• Tent: 2 × 2 ft minimum (larger preferred)
• Lighting: Full-spectrum LED, 400–600 W equivalent
• Ventilation: Inline fan + carbon filter
• Airflow: Oscillating fan for the canopy
• Humidity Control: Hygrometer and dehumidifier/humidifier as needed
• Pots: 3–5 gal fabric containers
• Medium: Coco-perlite or quality soil mix
• Nutrients: Complete veg & bloom suite + Cal-Mag
• Water: pH 6.2–6.6

🌞 Outdoor Notes

• Climate: Warm, sunny, Mediterranean-style
• Harvest: End of September—before fall humidity rises
• Soil: Rich, well-draining, with organic matter
• Protection: Netting or light sprays to deter pests

Germination: Starting Your Green Crack Grow

Use the paper towel method for consistent germination success:

1. Place seeds between two damp (not soaked) paper towels.
2. Sandwich between plates for darkness and airflow.
3. Keep warm (~70–75°F); check daily.
4. When taproots reach ~½”, pre-mount into medium root-tip down.

⚠️ Avoid plastic-sealed containers that can suffocate or over-moisturize seeds.

Week 1: Seedling Stage

What to Expect

• Height: 1–2 in
• First leaves emerge, taproots anchor, bright green color

Environment Targets

• Light: 18–24 hrs at low intensity (24–30 in away)
• Humidity: 65–70%
• Temp: 72–77°F
• Water: Light ring around the stem
• Nutrients: None (or minimal Cal-Mag in inert setups)

Tips

• Gentle airflow fosters stiff, healthy stems
• Avoid drooping from overwatering

Week 2: Early Veg + Optional LST

What to Expect

• Height: 2–4 in
• Leaves increase; internodes strengthen

Environment Targets

• Light: ~300 PPFD, 18 hrs/day
• Humidity: 60–65%
• Temp: 73–78°F
• Nutrients: Begin at ¼ veg strength

Optional Training

• Start LST to broaden canopy and increase light exposure

Week 4: Pre-Flower & Final Veg Training

What to Expect

• Height: 8–12 in
• Bushy growth; good branching; early aroma appears

Environment Targets

• Light: 18/6, ~500 PPFD
• Humidity: 50–55%
• Temp: 73–78°F
• Nutrients: Full veg feed

Final Training

• Finish LST or apply SCROG net
• Trim lower leaves for airflow
• Prepare for 12/12 switch

Week 5: Flower Begins

What to Expect

• Height: 12–18 in
• Pistils appear
• Scent: Sweet tropical-citrus

Environment Targets

• Light: Flip to 12/12
• Humidity: 45–50%
• Temp: 72–78°F
• Nutrients: Bloom feed (increase P & K, lower N)

Tips

• Keep canopy even
• Remove any blocking foliage

Week 6: Bud Sites & Trichome Development

What to Expect

• Height: 18–24 in
• Buds start stacking; trichomes surface
• Smell intensifies

Environment Targets

• Light: 12/12, ~600 PPFD
• Humidity: 45%
• Temp: 70–77°F
• Nutrients: Bloom + Cal-Mag

Week 7: Bud Fattening & Aroma Surge

What to Expect

• Height: 24–30 in
• Buds thicken, aromatic layers increase

Environment Targets

• Light: ~700 PPFD
• Humidity: 40–45%
• Temp: 68–75°F
• Nutrients: Maintain bloom feed, consider terp boosters

Tips

• Support heavy colas
• Avoid nutrient burn on leaf tips

Week 8: Peak Flower & Ripening Begins

What to Expect

• Height: ~30–35 in
• Buds dense, resin-rich
• Pistils turn orange; trichomes turn milky

Environment Targets

• Light: ~700–800 PPFD
• Humidity: 40%
• Temp: 67–73°F
• Nutrients: Reduce nitrogen; reinforce P & K

Green Crack

• All-Day Smoke
• Designed for Advanced Growers
• Energizing Daytime Experience
• Ideal for Green House Cultivation
• Ideal for Outdoor Cultivation

1+1 Free$24$19view product

Week 9: Final Flush & Ripeness Check

What to Expect

• Buds fully formed and sticky
• Trichomes: Mostly cloudy with 10–15% amber
• Pistils: 70–90% darkened
• Aroma: Tropical lemon-mango punch

Environment Targets

• Light: Keep 12/12
• Humidity: 35–40%
• Temp: 65–70°F
• Water: Flush with plain pH’d water for 5–7 days

Harvest & Curing

• Harvest: End of September outdoors or Week 9 indoors
• Dry at ~60°F / 55% RH for 10–14 days, completely dark
• Cure in jars, burping daily during first week, and weekly after
• Cured flavor peaks: energetic tropical sweetness with focused uplift

Green Crack

• All-Day Smoke
• Designed for Advanced Growers
• Energizing Daytime Experience
• Ideal for Green House Cultivation
• Ideal for Outdoor Cultivation

1+1 Free$24$19view product

Final Thoughts on Growing Green Crack Seeds

Green Crack rewards growers with fast, flavorful, and bright sativa vibes. It’s excellent for boosting mood, focus, and sociability. With a manageable grow height and strong tropical aroma, it stands out in any garden.

If you’re curious about how to grow Green Crack strain, this step-by-step diary has you covered from seed to jar.

👉 Shop Green Crack seeds at Hypno Seeds
👉 Browse more Sativa Seeds
🔗 Learn more about Green Crack strain on Leafly

FAQ: Growing Green Crack Seeds

How long does Green Crack take to flower?
8–9 weeks flowering indoors, with harvest typically at the end of September outdoors.

How tall does Green Crack grow?
Expect 50–60 inches, making it medium-tall but manageable with training.

Is Green Crack easy to grow?
Moderately easy, resilient genetics and forgiving structure, great for training to boost yield.

What yields can I expect?
Indoors: 1.6–1.9 oz/ft². Outdoors: 17–20 oz/plant.

What does Green Crack taste like?
Tropical sweetness with mango, lemon tree citrus, and a sweet finish.

What effects does Green Crack have?
Energetic, focused, and sociable, perfect for daytime creativity and activity.