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Grandpa Larry
Feminized
Grandpa Larry is an indica-dominant hybrid bred for steady relaxation and compact grows. It flowers in 8 to 9 weeks and offers high yields with dense, resinous colas. You should train plants early and control humidity in late flower to avoid mold on heavy buds. This strain fits indoor tents and protected outdoor plots in temperate regions. MasterSeeds provides feminized packs aimed at home growers who want reliable phenotypes and predictable finishes.
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STRAIN PROFILE
Complete Cannabis Strain Specifications
| Trait | Value |
|---|---|
| Type | Indica-dominant hybrid |
| THC | 18-22% |
| CBD | 0.5-1% |
| Grow Difficulty | Intermediate |
| Flowering Time | 8-9 |
| Yield | High (up to 500-600 g/m2 indoor) |
| Height | Medium (80-140 cm) |
| Environment | Indoor and Outdoor |
| Effects | Relaxed, Happy, Sleepy |
| Flavors | Earthy, Citrus, Pine |
| Genetics | Northern Lights x OG Kush |
| Climate | Temperate to Mediterranean |
Grandpa Larry Strain Information and Characteristics
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Strain Type:
Grandpa Larry is an indica-dominant hybrid built for evening use. Its compact growth suits short veg and controlled spaces.
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THC Content:
THC averages 18-22% across typical phenotypes. You will notice a steady head lift that gives way to full body calm.
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CBD Content:
CBD stays low at 0.5-1% in most phenotypes. That level supports sleep and pain relief for medical users.
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Grow Difficulty:
Growing difficulty ranks as intermediate for home growers. You should focus on training and humidity control to get the best bud set.
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Flowering Time:
Flowering completes in 8 to 9 weeks indoors. Outdoor plants finish by early October in temperate regions.
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Expected Yield:
Yield runs high with proper care, up to 500-600 g/m2 indoors. Growers in BC and Ontario report dense, resinous colas under full light.
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Plant Height:
Plants reach a medium height between 80 and 140 cm. You can use topping and LST to keep a low canopy.
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Growing Environment:
Grandpa Larry suits both indoor and outdoor grows. It tolerates greenhouse setups and protected outdoor plots.
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Expected Effects:
Effects begin with a gentle cerebral lift and move into deep physical relaxation. The profile works well for evening rest and quiet social sessions.
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Genetic Lineage:
Genetics read Northern Lights x OG Kush in classic format. Those parents explain the resin production and compact bud structure.
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Seed Type:
Seeds come feminized for predictable female plants. MasterSeeds offers packs tailored to home and small commercial growers in Canada.
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Preferred Climate:
Best climate runs temperate to Mediterranean with long sunny stretches. The strain tolerates short cool spells but prefers stable warmth during flowering.
Frequently Ask Questions
Everything you need to know about this strain.
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Questions & Answers
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Q: My plants show slow bud set. What should I check first?
A: Check light intensity and photoperiod stability. Increase bloom light and ensure dark period remains uninterrupted.
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Q: Leaves show slight yellowing mid-flower. Should I feed more?
A: Test runoff pH and EC before adding nutrients. Small yellowing often signals light or magnesium issues rather than N deficiency.
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Q: How do I avoid bud rot on dense colas?
A: Increase airflow and drop RH below 50% in late flower. Space branches and remove inner foliage to reduce moisture traps.
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Q: What pruning strategy yields bigger colas?
A: Top twice during veg and remove lower larf early. Focus energy on main branches and maintain an even canopy.
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Q: Can I run Grandpa Larry under LED at 300 micromoles?
A: Yes, but raise light to 600-900 ฮผmol for peak resin and yield. Watch leaf tips for light stress and back off if they burn.
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