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Critical Blue
Feminized
Critical Blue pairs Blueberry x Critical Mass for fruity aroma and dense resin. You get a balanced, indica-leaning high with physical calm and light mental lift. Growers report high yields when they train plants and control humidity. MasterSeeds offers feminized seeds suited to tents and outdoor plots across Canada.
- Blue, Critical, Hybrid
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Hybrid (Indica-leaning) |
| THC | 18-22% |
| CBD | 0.5-2% |
| Grow Difficulty | Intermediate |
| Flowering Time | 8-9 |
| Yield | High (450-600 g/m2 indoor) |
| Height | 80-140 cm |
| Environment | Indoor / Outdoor |
| Effects | Relaxed, Uplifted, Focused |
| Flavors | Blueberry, Earthy, Skunk |
| Genetics | Blueberry x Critical Mass |
| Climate | Temperate |
Critical Blue Strain Information and Characteristics
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Strain Type:
Critical Blue is a hybrid with indica dominance. You will find dense buds and cool blue tones.
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THC Content:
THC levels sit around 18 to 22 percent. Those levels deliver a clear head high with steady body relaxation.
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CBD Content:
CBD remains low at around 0.5 to 2 percent. Medical users report relief for mild pain and stress.
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Grow Difficulty:
Growing Critical Blue requires intermediate skill. You should monitor humidity and feed to avoid mold.
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Flowering Time:
Flowering takes about 8 to 9 weeks indoors. Outdoor plants finish by late September in temperate regions.
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Expected Yield:
Yields run high for experienced growers, often 450 to 600 g per square metre indoors. Outdoor yields perform best in warm sunny sites.
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Plant Height:
Plants reach medium height from 80 to 140 cm. Train branches to fit tight indoor spaces.
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Growing Environment:
Critical Blue works well indoors and outdoors. Indoor growers get faster cycles while outdoor growers aim for a late September harvest.
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Expected Effects:
Effects include a relaxed body feel and light cerebral lift. Many users use it in the evening or after work.
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Genetic Lineage:
Genetics trace to Blueberry x Critical Mass. This mix gives fruit notes and dense resin production.
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Seed Type:
Seeds come feminized for predictable female plants. MasterSeeds lists these as stable and reliable for home growers in Canada.
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Preferred Climate:
Best climate is temperate with dry light summers. It tolerates coastal humidity if you control airflow and drying.
Frequently Ask Questions
Everything you need to know about this strain.
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Questions & Answers
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Q: My buds show purple leaves, normal?
A: Yes. Cooler night temperatures bring out blue and purple hues.
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Q: How do I avoid bud rot?
A: Keep late flowering relative humidity below 50 percent and boost airflow.
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Q: Is supercropping safe?
A: Yes if you wait until plants are established. Bend branches and secure with ties to promote recovery.
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Q: When should I flush?
A: Flush 7 to 10 days before harvest for cleaner smoke.
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Q: How do I increase resin?
A: Add PK bloom supplements and drop night temperatures slightly during final weeks. Use short UV exposure if your setup supports it.
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