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Jupiter Jack
Feminized
Jupiter Jack blends Jack Herer lineage with a Jupiter OG phenotype for lively daytime effects. The plant shows medium height and heavy cola formation under proper training. Indoor growers report 8 to 10 week flowering and stable yields. Outdoor plants thrive in long, sunny seasons and reward careful pruning.
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Sativa-dominant hybrid |
| THC | 18-24% |
| CBD | 0.3-1% |
| Grow Difficulty | Intermediate |
| Flowering Time | 8-10 |
| Yield | 400-550 g/m2 (indoor), 400-800 g/plant (outdoor) |
| Height | Medium (80-140 cm) |
| Environment | Indoor/Outdoor |
| Effects | Uplifted, Focused, Energetic |
| Flavors | Citrus, Pine, Spice |
| Genetics | Jack Herer x Jupiter OG |
| Climate | Temperate to Mediterranean |
Jupiter Jack Strain Information and Characteristics
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Strain Type:
Jupiter Jack is a sativa-dominant hybrid that favors clear daytime effects. The structure suits growers who prefer energetic, focused highs.
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THC Content:
THC sits around 18 to 24 percent in typical phenotypes. Expect a cerebral lift with sustained activity.
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CBD Content:
CBD is low at 0.3 to 1 percent across most plants. The profile supports mood and energy goals rather than high-CBD therapy.
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Grow Difficulty:
Growing Jupiter Jack requires intermediate skills in training and nutrient control. You should plan for topping and light management to maximize yields.
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Flowering Time:
Indoor flowering completes in 8 to 10 weeks. Outdoor harvest occurs in late September in temperate zones.
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Expected Yield:
Indoor yields average 400 to 550 grams per square metre under good conditions. Growers in BC report larger outputs in long summer seasons.
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Plant Height:
Plants reach medium height between 80 and 140 centimetres. Provide vertical space and stake heavy colas for indoor grows.
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Growing Environment:
This strain performs well indoors under controlled light cycles. It also thrives outdoors in full sun where frost risk is low.
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Expected Effects:
Expect uplifted focus and steady energy that supports daytime tasks. The high promotes clear thinking and task orientation.
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Genetic Lineage:
Genetics pair Jack Herer with a Jupiter OG phenotype to highlight piney terpenes. The cross produces lively highs and clear focus.
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Seed Type:
Seeds arrive feminized for uniform female crops and predictable yields. MasterSeeds lists this type for growers seeking stable results in Canada.
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Preferred Climate:
Best climate runs temperate to Mediterranean with long sunny days. In cooler Canadian areas start plants indoors or use a greenhouse.
Frequently Ask Questions
Everything you need to know about this strain.
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Questions & Answers
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Q: How many tops should I train for best yield?
A: Aim for 4 to 8 main tops by combining topping and LST to create an even canopy and boost bud sites.
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Q: When should I reduce nitrogen?
A: Cut nitrogen at the switch to flowering and reduce further after week three to promote resin and bud density.
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Q: What humidity do you keep in flower?
A: Keep RH between 40 and 50 percent during flowering and lower to 35 to 45 percent in late flower to avoid mold.
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Q: How do I prevent bud rot outdoors?
A: Space plants for airflow, prune lower foliage, and harvest before persistent fall rains set in.
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Q: Which trellis method works for dense colas?
A: Use a horizontal trellis to support weight and maintain an even canopy during the final weeks of bloom.
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