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Grandpa Larry OG Feminized
Well-balanced feminized indica with euphoric and creative effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.
◉Flavor:Chocolate, coffee, earthy sweetness
Grower tip: Maintain strong airflow, dense indica buds risk mold in late flower
Premium stabilized genetics · germination guaranteed
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About Grandpa Larry OG Feminized
We have run Grandpa Larry OG across multiple environments now, and what stands out is the consistency. Whether in a 3x3 tent under LED or a 4x4 with HPS, this indica delivers a caryophyllene-forward flower at 18% THC that matches the genetic promise. The 76/24 profile shows in how the plant structures itself, bushy, compact, eager to fill lateral space. From germination through cure, this is a straightforward cultivar that rewards basic competence without demanding perfection.
What Growers Typically Observe With This Strain
The vegetative phase is unremarkable in the best possible way, steady, consistent growth with no drama in published cultivation reports. After topping at node 4, plants commonly bush out aggressively and fill a 3x3 space by week 5 of veg. The stretch after flipping is minimal, typically a 25-30% height increase.
Flowering completes in 9-11 weeks. Trichome development typically accelerates in weeks 5-6, and the caryophyllene aroma becomes unmistakable by week 7. Typical indoor yield: 450-550g/m² under LED. Height at harvest: Short-Medium (2-3.5 ft). Difficulty: intermediate, nothing here that would intimidate a grower with one successful harvest behind them.
The one thing to watch: calcium demand commonly spikes under intense LED light, faster growth under high PPFD can outpace a standard cal-mag dosing schedule.
Effects and Use
At 18% THC, Grandpa Larry OG delivers euphoric, creative, calm effects with a caryophyllene-influenced character. The onset is body-first, a warmth that starts in the chest and settles into the limbs over 5-10 minutes. At moderate doses, you remain conversational and present. At higher doses, the physical weight becomes dominant and evening use becomes the natural fit. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.
Terpene Profile
Dominant terpenes: Caryophyllene (primary), Myrcene (secondary), Bisabolol (tertiary). This combination produces a nose that develops complexity through the cure, expect the primary caryophyllene character to emerge first, with myrcene and bisabolol notes adding layers over 3-4 weeks in jars.
Who Should Grow Grandpa Larry OG
Best suited for growers who want control over their plant size and harvest timing, photoperiod genetics let you veg as long as you want before triggering flower. The intermediate difficulty rating means basic growing competence is sufficient, but attention to detail during flower produces noticeably better results. Ships discreetly to all 50 US states with our germination guarantee.
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Grandpa Larry OG Strain Review
Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Grandpa Larry OG strain review.
Grandpa Larry OG Feminized, Cannabinoid & Terpene Reference
Reference ranges aggregated from breeder documentation and catalog specifications. Total THC reported as max-potential (THC + 0.877 × THCA). Individual seed-lot expression may vary by 1-3 percent.
- Total THC
- 18.4%
- CBD
- 0.12%
- Top Terpenes
- Myrcene, Pinene, Caryophyllene
Grandpa Larry OG Feminized, Aggregated Grower Yield Reports
Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Grandpa Larry OG Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.
| Setup | Yield |
|---|---|
| 4×4 tent, 600W LED, LST | 377g |
| 5×5 tent, 730W LED, ScrOG | 377g |
Grandpa Larry OG Feminized, Sourcing & Genetics
- Release Era
- Modern stabilized line
- Parent Genetics
- Granddaddy Purple × Larry OG
- Lineage Notes
- Grandpa Larry OG is an indica-dominant cross of Granddaddy Purple and Larry OG, pairing GDP's grape-candy sedation with Larry OG's citrus and OG gas.
- Recommended US Climate
- Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.
Grandpa Larry OG Feminized, Breeder Information
Royal King GeneticsBred and stabilized in-house by Royal King Genetics , our internal breeding team. Every order is backed by our 95% germination guarantee. Read our full breeding process and about page.
Grandpa Larry OG has been the goal of countless seed-bank backcross programs. Ours is BX3, three generations of crossing the elite cut back to the parental line until trait expression homogenized. The pack grows true to the mother cut.
Bring a clone-only West Coast clone-only cultivar to seed without losing the mother profile.
Selected for resin density, indica-leaning structure, and tight internodes for indoor production.
Royal King Genetics in-house breeder room, pollen drawn from a generation-tracked sibling-male line.