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Jack Herer
Autoflower
Feminized
Jack Herer blends Haze lineage with Northern Lights and Shiva Skunk to deliver clear, energetic effects and strong resin production. This phenotype grows tall, responds well to training, and rewards steady feeding with medium-high yields. Indoor growers achieve dense buds in eight to ten weeks of flowering. Outdoor plants thrive in warm summers and finish by late September in suitable Canadian regions. MasterSeeds offers both feminized and autoflowering choices to match your timeline and space.
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Sativa-dominant hybrid |
| THC | 18-23% |
| CBD | 0.5-1% |
| Grow Difficulty | Intermediate |
| Flowering Time | 8-10 |
| Yield | Medium-high, 400-500 g/m² indoor; 500-700 g/plant outdoor |
| Height | 100-200+ cm |
| Environment | Indoor or Outdoor |
| Effects | uplifting, clear-headed, creative |
| Flavors | pine, earthy, citrus |
| Genetics | Haze x Northern Lights x Shiva Skunk |
| Climate | Temperate to warm, suits BC and Ontario summers and indoor rooms |
Jack Herer Strain Information and Characteristics
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Strain Type:
Jack Herer is a sativa-dominant hybrid known for energetic, cerebral effects. Canadian growers often call it a classic sativa with dependable structure.
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THC Content:
THC levels typically sit between 18 and 23 percent. That places Jack Herer above average compared with many strains popular in Canada.
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CBD Content:
CBD remains low at about 0.5 to 1 percent. Medical users in Canada choose Jack Herer for THC-driven symptom relief rather than CBD therapy.
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Grow Difficulty:
Growing difficulty rates as intermediate with a need for light training. Follow pruning and feeding schedules to get stable yields under Canadian lights or summer gardens.
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Flowering Time:
Flowering takes about eight to ten weeks indoors. Outdoor harvest in warm Canadian regions falls around late September to early October.
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Expected Yield:
Yields rank medium-high under strong light and correct feeding. Indoor growers in BC and Ontario report 400 to 500 grams per square metre with solid canopy management.
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Plant Height:
Plants grow tall and reach 100 to 200 centimetres indoors with training. Outdoors in warm Canadian summers plants often exceed two metres.
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Growing Environment:
Jack Herer suits both indoor tents and outdoor gardens. Choose indoor for controlled light or place outdoors in warm regions like BC's interior.
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Expected Effects:
Effects deliver uplift, mental clarity, and steady focus. Many Canadian consumers prefer Jack Herer for daytime activity and creative work.
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Genetic Lineage:
Genetics trace to Haze x Northern Lights x Shiva Skunk. Breeders kept sativa vigour while adding resin and stable structure.
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Seed Type:
MasterSeeds offers Jack Herer in feminized and autoflowering options. Seed packs suit growers who prefer stable pheno selection or faster cycles.
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Preferred Climate:
Best in temperate to warm climates with long summers. Growers in BC and Ontario find reliable outdoor finishes while indoor growers maintain year-round cycles.
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 limit stretch in the first weeks?
A: Start with shorter light periods, top early, and apply low-stress training to create a squat canopy.
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Q: Which lights produce the best yield?
A: Strong LED arrays with full spectrum output deliver high resin and dense flowers while keeping heat manageable.
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Q: When should I switch to bloom nutrients?
A: Begin bloom feed when pre-flowers appear and pistils emerge on main nodes.
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Q: How do I avoid nutrient burn during stretch?
A: Use lower strength feeds during veg and raise concentration gradually as growth stabilises.
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Q: What is the best drying humidity level?
A: Aim for 45 to 55 percent relative humidity and a cool, dark space to preserve terpene flavour.
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