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Blue Shamu
Feminized
Blue Shamu is an indica-dominant hybrid with a clear blueberry profile and a calm, focused high. The strain flowers in 8 to 9 weeks and produces medium-high yields when fed and trained correctly. Expect compact plants that respond well to topping and low stress training for indoor grows. Medical users report relief for stress, pain and sleep issues. MasterSeeds offers feminized seeds suited to growers in temperate regions.
- Blueberry, Relaxing, Compact
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Indica-dominant hybrid |
| THC | 18-22% |
| CBD | 0.5-1% |
| Grow Difficulty | Intermediate |
| Flowering Time | 8-9 |
| Yield | Medium-high |
| Height | 80-140 cm |
| Environment | Indoor and outdoor |
| Effects | Relaxed, Uplifted, Focused |
| Flavors | Blueberry, Earthy, Citrus |
| Genetics | Blueberry x Shamu |
| Climate | Cool-temperate |
Blue Shamu Strain Information and Characteristics
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Strain Type:
Blue Shamu is an indica-dominant hybrid built for relaxation and steady focus. MasterSeeds offers it to growers who want a fruity, calming option.
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THC Content:
THC averages 18 to 22 percent across typical phenotypes. This range sits slightly above many regional blueberry crosses in Canada.
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CBD Content:
CBD remains low at about 0.5 to 1 percent. Medical users in Canada use Blue Shamu for mild anti-inflammatory and anxiolytic effects.
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Grow Difficulty:
Growing Blue Shamu requires intermediate skills. You need regular pruning and precise feed control to hit top yields.
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Flowering Time:
Flowering completes in about 8 to 9 weeks indoors. Outdoor growers should plan harvest before autumn rains in cool climates.
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Expected Yield:
Expect medium-high yields with steady feeding and light. Some Ontario and BC growers report dense, resinous colas.
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Plant Height:
Plants reach 80 to 140 cm when trained. You keep heights lower with topping and LST for smaller grow spaces.
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Growing Environment:
Blue Shamu performs well indoors and outdoors. You must protect outdoor plants from late-season storms in cooler zones.
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Expected Effects:
The high delivers relaxed body effects with clear mental focus. Many users in Canada report improved mood and calm energy.
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Genetic Lineage:
Genetics read Blueberry x Shamu for fruity terpenes and strong resin production. MasterSeeds lists the cross as a stable indica-leaning hybrid.
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Seed Type:
Seeds arrive feminized for predictable female crops. You find them through home seed collections and licensed suppliers.
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Preferred Climate:
Blue Shamu prefers cool to temperate climates with a dry late season. It tolerates short cold snaps while needing a dry finish for full ripeness.
Frequently Ask Questions
Everything you need to know about this strain.
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Questions & Answers
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Q: My seedlings show slow growth in week three. What do you check first?
A: Check root health and watering frequency. Adjust light intensity and nutrient strength if leaves pale.
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Q: How much feed during bloom?
A: Switch to a bloom formula at light change. Use moderate phosphorus and potassium and watch leaf tips for burn.
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Q: Should I top Blue Shamu?
A: Yes, top twice during veg to create a broad canopy. Follow with LST to boost lateral growth.
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Q: What humidity should I aim for in late bloom?
A: Lower RH to 40-50 percent in bloom to reduce mold risk. Raise RH to 50-60 percent during veg.
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Q: How long should I cure harvested buds?
A: Cure in jars for a minimum of two weeks for improved aroma and smoothness. Burp daily for the first week.
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