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Blockhead
Feminized
Blockhead delivers compact plants and dense, resin-rich buds. It leans indica with a night-friendly effect profile that eases body tension and aids sleep. Growers report strong yields both indoors and outdoors with standard training and nutrient schedules. MasterSeeds offers feminized genetics suited to temperate climates and controlled indoor rooms.
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Indica-dominant hybrid |
| THC | 22-26% |
| CBD | 0.5-1% |
| Grow Difficulty | Moderate |
| Flowering Time | 7-9 |
| Yield | High (450-600 g/m2 indoor; 400-700 g/plant outdoor) |
| Height | Short to medium (60-120 cm) |
| Environment | Indoor and outdoor |
| Effects | Relaxed, Uplifted, Sleepy |
| Flavors | Earthy, Pine, Citrus |
| Genetics | Skunk x Northern Lights |
| Climate | Temperate to cool |
Blockhead Strain Information and Characteristics
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Strain Type:
Blockhead is an indica-dominant hybrid with compact, dense buds. It leans toward relaxing effects suited for evening use.
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THC Content:
Blockhead averages 22-26% THC in tested runs. Its potency compares well with many popular Canadian indoor strains.
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CBD Content:
CBD levels remain low at 0.5-1%. Low CBD shifts therapeutic value toward THC-driven sleep and pain relief for patients.
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Grow Difficulty:
Grow difficulty rates as moderate for growers with basic skills. Indoor growers in Canada find it forgiving under steady humidity and light control.
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Flowering Time:
Flowering runs 7-9 weeks under stable indoor lighting. Outdoor plants finish by early October in temperate regions.
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Expected Yield:
Yield rates are high at 450-600 g/m2 indoors. Outdoor plants in BC and Ontario reach 400-700 g per plant in long seasons.
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Plant Height:
Plants stay short to medium, typically 60-120 cm. They suit low-ceiling rooms and small outdoor gardens.
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Growing Environment:
Blockhead suits both indoor and outdoor setups. In temperate climates it finishes reliably before first frosts.
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Expected Effects:
Effects start with mental uplift and clear focus then shift to deep body relaxation. Many users reach sleep faster after evening doses.
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Genetic Lineage:
Genetics are Skunk x Northern Lights. The cross produces compact, resin-rich plants with stable yields.
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Seed Type:
Seeds are feminized for predictable female plants. MasterSeeds lists Blockhead as a feminized option across Canada.
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Preferred Climate:
Best climate is temperate to cool with long summers. Use season extension or greenhouse in cooler regions.
Frequently Ask Questions
Everything you need to know about this strain.
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Questions & Answers
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Q: My plant looks stretched after veg. What next?
A: Apply low stress training early and reduce stretch with a slightly cooler night temperature.
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Q: How do I boost resin production?
A: Raise late-flower humidity slightly and use a PK bloom supplement during week 4 to 6 of flower.
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Q: I see bud rot in one cola. How do I respond?
A: Remove the affected cola, increase airflow, lower humidity, and inspect remaining buds daily.
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Q: What light intensity works best in flower?
A: Aim for 600-900 PPFD across the canopy for dense bud formation.
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Q: How do I stop nutrient burn signs?
A: Flush with pH-balanced water and cut feed strength by 25% until new growth clears.
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