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Jack The Ripper
Feminized
Jack The Ripper is a sativa-dominant variety bred for quick flowering and bright, citrus-forward flavour. It offers an uplifting, focused effect that suits daytime use and creative tasks. Growers with intermediate experience benefit from training methods like topping and LST to control height and boost yields. Indoors it delivers strong results under high-intensity light. Outdoors it performs best in temperate to Mediterranean climates such as BC and southern Ontario. MasterSeeds recommends timed feeding and a careful dry and cure to preserve terpene clarity.
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Sativa-dominant |
| THC | 18-22% |
| CBD | <1% |
| Grow Difficulty | Intermediate |
| Flowering Time | 8-10 |
| Yield | High (≈450-550 g/m² indoors) |
| Height | 100-160 cm |
| Environment | Indoor/Outdoor |
| Effects | Uplifting, Focused, Energetic |
| Flavors | Citrus, Pine, Herbal |
| Genetics | Jack Herer x Space Queen |
| Climate | Temperate, Mediterranean |
Jack The Ripper Strain Information and Characteristics
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Strain Type:
Jack The Ripper is a sativa-dominant strain. Canadian growers prize its clear, active daytime effects.
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THC Content:
THC levels typically range 18 to 22 percent. This level sits above many balanced hybrids popular in Canada.
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CBD Content:
CBD content remains low under 1 percent. Medical users in Canada choose other high-CBD options for daytime symptom control.
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Grow Difficulty:
Growing Jack The Ripper requires intermediate skill. You should use training methods like topping and LST for an even canopy in Canadian setups.
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Flowering Time:
Flowering runs about 8 to 10 weeks under ideal conditions. In cooler Canadian climates you might need the full 10 weeks or finish outdoors in BC or southern Ontario.
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Expected Yield:
Indoors yield reaches about 450 to 550 g per square metre with good light. Outdoor yields in BC and Ontario perform well when harvest occurs before autumn rains.
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Plant Height:
Plants grow medium to tall, typically 100 to 160 cm. You should plan height control for small Canadian grow rooms.
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Growing Environment:
Jack The Ripper works indoors and outdoors. In Canada, indoor growers use it for steady daytime production while outdoor growers prefer BC or Ontario sites with long summers.
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Expected Effects:
Expect an uplifting, focused high which boosts energy and creativity. Many Canadian consumers choose it for daytime tasks and social settings.
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Genetic Lineage:
Genetics trace to Jack Herer x Space Queen in this profile. Breeders select these parents for sativa clarity and a bright terpene profile.
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Seed Type:
These seeds come as feminized units for predictable female crops. In Canada sellers list feminized packs for home growers and licensed producers.
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Preferred Climate:
This strain prefers temperate to Mediterranean climates with warm, dry summers. It performs well in BC and southern Ontario and needs protection in prairie provinces from early frost.
Frequently Ask Questions
Everything you need to know about this strain.
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Questions & Answers
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Q: How do I control stretch?
A: Topping at 3 to 4 nodes and early LST keep internodes tight and limit vertical stretch.
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Q: What light schedule is best indoors?
A: Veg under 18/6 then switch to 12/12 for flowering; strong, even light boosts yield.
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Q: How do I prevent nutrient burn?
A: Start with half-strength feed, increase in small steps, and flush with plain water if leaves curl or brown.
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Q: Which pest checks work outdoors?
A: Inspect under leaves weekly, use sticky traps, and apply organic neem sprays early in morning or late evening.
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Q: How long should I dry and cure buds?
A: Dry 7 to 10 days at 18 to 21°C with 45 to 55 percent RH, then cure in jars for 2 to 6 weeks for improved flavour.
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