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Dr Grinspoon
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Regular
Dr Grinspoon is an heirloom sativa prized for a focused, energising high. Plants grow very tall with long internodes and long flowering periods of 12 to 14 weeks. This strain suits experienced growers who will top, train and provide strong light. MasterSeeds lists Regular heirloom packs for breeders and preservation in Canada.
- Heirloom, Sativa, Uplifting
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Sativa |
| THC | 12-16% |
| CBD | 0.1-0.5% |
| Grow Difficulty | Advanced |
| Flowering Time | 12-14 |
| Yield | Low-Moderate |
| Height | Very tall (over 2.5 m outdoors) |
| Environment | Both |
| Effects | Uplifting, Energetic, Cerebral |
| Flavors | Pine, Citrus, Earthy |
| Genetics | Panama Red x Thai |
| Climate | Warm, dry or Mediterranean; suited to sheltered BC coast and long Ontario summers |
* Information may vary depending on growing conditions
Dr Grinspoon Strain Information and Characteristics
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Strain TypeStrain Type:
Pure sativa heirloom prized for a clear cerebral high. Canadian growers often describe this type as old-school sativa with tall, rangy structure.
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THC ContentTHC Content:
THC levels usually sit at 12 to 16 percent. Compared with many Canadian favourites this strain trends lower in potency.
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CBD ContentCBD Content:
CBD content stays very low, around 0.1 to 0.5 percent. Medical growers in Canada list this strain for mood and energy rather than CBD therapy.
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Grow DifficultyGrow Difficulty:
Advanced growers suit this strain. The long-stretch sativa structure demands training and patience in indoor and outdoor setups.
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Flowering TimeFlowering Time:
Flowering runs long at roughly 12 to 14 weeks. In cooler Canadian seasons you need strong lighting and heat to avoid late finishes.
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Expected YieldExpected Yield:
Yield tends low to moderate, especially indoors under low ceilings. Outdoor harvests improve in long, warm seasons such as BC coast and Ontario summers.
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Plant HeightPlant Height:
Plants reach very tall heights with long internodes. You should top and train early to fit common Canadian tents and rooms.
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Growing EnvironmentGrowing Environment:
This strain suits outdoor grows in warm, long-season sites. You will need height management for indoor grows in provinces with short seasons.
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Expected EffectsExpected Effects:
Expect an uplifting, cerebral rush that boosts focus and energy. Canadian consumers favour this profile for daytime tasks and creative work.
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Genetic LineageGenetic Lineage:
Genetics trace to Panama Red x Thai. That heritage explains pure sativa growth and a clear, focused effect profile.
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Seed TypeSeed Type:
Seeds come in Regular heirloom packs for breeders and preservers. MasterSeeds supplies Regular options suitable for selection and crossing in Canada.
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Preferred ClimatePreferred Climate:
Best in warm, dry or Mediterranean climates with long seasons. In Canada choose sheltered coastal sites in BC or use controlled indoor environments across Ontario and the prairies.
Frequently Ask Questions
Everything you need to know about this strain.
Expect 12 to 14 weeks under 12/12 flower timing. Maintain high light intensity to finish on time.
Seeds are Regular heirloom stock. Use them for breeding or to select stable females.
Plan for tall stretch and long internodes. Use topping and low-stress training early.
Use a balanced vegetative feed then shift to lower nitrogen and higher phosphorus in bloom. Monitor for nutrient lock and adjust pH to 5.8-6.3.
Introduce 12/12 transition only after strong root and node development. Employ scrogging or multiple tops to limit vertical growth.
Yes in long, warm Canadian summers like BC coast and some Ontario sites. Provide wind protection and mould prevention in humid areas.
Look for cloudy trichomes with some amber at 12 to 14 weeks. Harvest by branch to stagger drying if needed.
Dry at 18-20 C and 50-60% RH for 7 to 10 days. Cure in jars with burps for several weeks to improve flavour and smoothness.
Yes. The cerebral, energising high suits daytime focus and creative tasks.
Watch pre-flowers at node sites by week 4 to 6. Remove males early to protect female crops.
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Questions & Answers
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Q: How do I limit vertical growth in a 2 m tent?
A: Top at 3 to 4 node stage then use mainline or scrog. Keep canopy even and lower stretch with short veg time.
Product Information โข Posted by The Seed Master
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Q: What light schedule for best resin?
A: Use 18/6 veg then switch to 12/12 for flower. Maintain high PPFD in bloom and avoid light leaks at night.
Product Information โข Posted by The Seed Master
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Q: How to prevent mould in humid climates?
A: Increase airflow and lower humidity during late flower below 50%. Prune inner growth to improve circulation and inspect daily.
Product Information โข Posted by The Seed Master
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Q: Which nutrients to reduce in late flower?
A: Cut nitrogen and raise phosphorus and potassium. Flush lightly before harvest if flavour shows nutrient buildup.
Product Information โข Posted by The Seed Master
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Q: How long to cure for best flavour?
A: Cure for at least 3 to 4 weeks in glass jars. Longer cures up to 8 weeks deepen flavour and smooth smoke.
Product Information โข Posted by The Seed Master
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