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Helium
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Feminized
Helium delivers a clear, energetic head high suited for daytime use. You will work through tasks with improved focus and light creativity. The plant grows to medium height and yields solid returns with steady feeding and canopy management. Use moderate training and strong light for best resin and aroma. MasterSeeds recommends sheltered outdoor spots or controlled indoor rooms for consistent results.
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Sativa-dominant Hybrid |
| THC | 18-23% |
| CBD | 0.3-1% |
| Grow Difficulty | Moderate |
| Flowering Time | 8-10 |
| Yield | Medium-high (400-550 g/mยฒ indoor) |
| Height | Medium (80-160 cm) |
| Environment | Indoor / Outdoor |
| Effects | Uplifted, Focused, Energetic |
| Flavors | Citrus, Floral, Herbal |
| Genetics | Sky Silver x Haze Breeze |
| Climate | Temperate to Mediterranean |
* Information may vary depending on growing conditions
Helium Strain Information and Characteristics
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Strain TypeStrain Type:
Helium is a sativa-dominant hybrid with uplifting effects. It suits users seeking clear energy and daytime use.
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THC ContentTHC Content:
THC sits in the 18-23% range for Helium. Those levels deliver a bright, energizing high with manageable intensity.
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CBD ContentCBD Content:
CBD stays low at roughly 0.3-1%. You will notice mild balancing benefits for anxiety and inflammation.
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Grow DifficultyGrow Difficulty:
Growing Helium rates as moderate for most setups. You need steady feed and light training to shape a productive canopy.
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Flowering TimeFlowering Time:
Flowering runs 8-10 weeks indoors for Helium. Outdoor harvest usually occurs in early October in temperate zones.
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Expected YieldExpected Yield:
Indoor yield averages 400-550 g per square metre under good light. Outdoor plants produce 350-600 g per plant in full season sites.
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Plant HeightPlant Height:
Plants reach 80-140 cm indoors under controlled training. Outdoors they often reach 160 cm with full sun.
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Growing EnvironmentGrowing Environment:
Helium performs well indoors under strong light and controlled humidity. It also thrives outdoors in long-sun, temperate locations.
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Expected EffectsExpected Effects:
Expect an uplifting head high with steady focus. The energy suits tasks that need creativity and alertness.
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Genetic LineageGenetic Lineage:
Genetics list Sky Silver x Haze Breeze for Helium. The cross produces sativa lift and floral aromatics.
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Seed TypeSeed Type:
Helium seeds come feminized for consistent female plants. Feminized seeds simplify nursery work and boost usable yields.
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Preferred ClimatePreferred Climate:
Best climate runs temperate to Mediterranean with long sunny days. In Canada choose sheltered outdoor spots in BC or southern Ontario.
Frequently Ask Questions
Everything you need to know about this strain.
Soak seeds 12-24 hours then place in moist paper towel. Move sprouts to small pots once taproot appears.
Use 18 hours on and 6 hours off through veg. Maintain steady light distance to avoid stretch.
Start with a balanced NPK in veg and shift to higher phosphorus in flower. Feed at 50-75% manufacturer strength and adjust by plant response.
Begin low-stress training in early veg. Use topping sparingly and tie down branches to open the canopy.
Keep soil pH between 6.0 and 6.8. For hydro, target 5.8 to 6.4.
Watch trichomes for mostly cloudy with some amber. Check pistils for a 60-80% darkened ratio.
Dry in a dark, ventilated room at 18-21ยฐC and 50% humidity for 7-10 days. Cure in jars, burping daily for two weeks then weekly for a month.
Aphids and spider mites show up in warm, dry rooms. Inspect leaves often and use mild insecticidal soap or predatory mites early.
Flush with plain water for 7-10 days before harvest if you used synthetic nutrients. Flush with lower frequency for organic feeds.
Allow 60-100 cm per plant for a single canopy. Reduce space with training and trellis work.
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Questions & Answers
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Q: Should I top Helium or use LST?
A: Use an early top to create two main colas then apply low-stress training. That gives a flatter canopy and even bud set under lights.
Product Information โข Posted by The Seed Master
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Q: How aggressive should I feed in flower?
A: Increase bloom nutrients gradually and watch leaf tips for burn. Back off feed if leaves yellow rapidly or curl.
Product Information โข Posted by The Seed Master
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Q: What ventilation suits a Helium tent?
A: Use inline exhaust with a carbon filter and a small intake fan. Aim for one full air exchange every 1-2 minutes under full light.
Product Information โข Posted by The Seed Master
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Q: How do I prevent stretching in early flower?
A: Lower light slightly in the last week of veg and strengthen training ties. Keep night temperature within 8ยฐC of day temps.
Product Information โข Posted by The Seed Master
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Q: When is peak terpene aroma strongest?
A: Aroma peaks late flower and during the first weeks of cure. Dry slowly to preserve citrus and floral notes.
Product Information โข Posted by The Seed Master
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