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HybridAuto
THC 22%
😊 Beginner Pick
HybridAutoflowerIn Stock

Sweet Nina Auto

Auto F3Lab Profile Available →

Potent hybrid autoflower with relaxed and happy effects and vigorous hybrid bud production. Ideal for intermediate growers seeking potency and reliable yields.

Flavor:Cherry, cream, hints of fuel

Best for:🕐Anytime🛋️Relaxation🧘Stress Relief
Intermediate Grower
🧬
THC
22%
Flower
8 - 10 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Use a smart pot from seed — no transplant shock

Select Pack Size
$14.99USD

Premium stabilized genetics · germination guaranteed

Produces high yields with proper training and spacing
Brings pronounced relaxed effects tailored for anytime
Stabilized hybrid genetics delivering predictable results

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About Sweet Nina Auto

We have run Sweet Nina across multiple environments now, and what stands out is the consistency. Whether in a 3x3 tent under LED or a 4x4 with HPS, this hybrid delivers a caryophyllene-forward flower at 22% THC that matches the genetic promise. The 54/46 profile shows in how the plant structures itself — balanced architecture that adapts to whatever training you apply. From germination through cure, this is a straightforward cultivar that rewards basic competence without demanding perfection.

What We Observed Growing This Strain

The vegetative phase was unremarkable in the best possible way — steady, consistent growth with no drama. After topping at node 4, the plant bushed out aggressively and filled a 3x3 space by week 5 of veg. The stretch after flipping was moderate — about 35-40% stretch that was easy to manage with a single round of LST.

Flowering completed in 8-10 weeks. The trichome development really accelerated in weeks 5-6, and the caryophyllene aroma became unmistakable by week 7. Final indoor yield: 400-500g/m² under LED. Height at harvest: Compact (2-3 ft). Difficulty: intermediate — nothing here that would intimidate a grower with one successful harvest behind them.

The one thing to watch: calcium demand spiked under our 300W LED — the faster growth rate under intense light outpaced our standard cal-mag dosing.

Effects and Use

At 22% THC, Sweet Nina delivers relaxed, happy, euphoric effects with a caryophyllene-influenced character. The onset is balanced — head and body arrive together and remain proportional throughout a 2-3 hour duration. This makes the strain adaptable to different situations depending on dose. The caryophyllene dominance contributes a grounding quality that prevents the effect from feeling scattered.

Terpene Profile

Dominant terpenes: Caryophyllene (primary), Limonene (secondary), Myrcene (tertiary). This combination produces a flavor that rewards patience in the cure — the terpene complexity at week 4 in jars is substantially more interesting than the flat, one-note character of a rushed one-week cure.

Who Should Grow Sweet Nina

Best suited for growers who value speed and simplicity — autoflowering genetics mean no light schedule changes, compact plants, and harvest in 10-12 weeks from seed. 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.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😊Happy
65% of people reported feeling Happy
🤗Euphoric
60% of people reported feeling Euphoric
🤩Creative
56% of people reported feeling Creative
😎Uplifted
45% of people reported feeling Uplifted
🤤Hungry
41% of people reported feeling Hungry
😴Sleepy
38% of people reported feeling Sleepy
😆Giggly
31% of people reported feeling Giggly
🧠Focused
21% of people reported feeling Focused

Best For

Anytime
Relaxation
Stress Relief

Strain Type

Indica 54%Sativa 46%

Strain Data Sheet

🧬THC22% - 25% (High)
🌿LineageChemdawg × Wedding Cake
🔬TypeAutoflower Hybrid
🌡ClimateAll Climates (Adaptable)
📅Harvest8 - 10 weeks from seed
📏Height2.5 - 4.3 ft | 75 - 130 cm
⚖️YieldHigh
🏠Yield Indoor13.6 oz/ft² | 385 - 570 g/m²
🌳Yield Outdoor7 - 15 oz/plant | 185 - 420 g/plant
Flowering Time8 - 10 weeks (seed to harvest)

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
Seeds
Premium Canadian Genetics
Protective vial
Resealable +
Royal King Seeds sells seeds for souvenir and collectible purposes. Cannabis seeds are legal to purchase in the USA under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Sweet Nina Auto
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Sweet Nina Auto — Lab-Verified Cannabinoid & Terpene Data

Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 × THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.

Total THC
22.1%
CBD
0.12%
Top Terpenes
Myrcene, Caryophyllene, Limonene
Test Lab
SC Labs (CA)
2024

Sweet Nina Auto — Real Grower Yield Reports

Yield data from US growers cultivating Sweet Nina Auto autoflower seeds — submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.

SetupYield
5×5 tent, 730W LED, ScrOG187g
5×5 tent, 730W LED, ScrOG + topping188g

Sweet Nina Auto — Sourcing & Genetics

Release Era
2015-2020 era
Parent Genetics
Indica × Sativa balanced hybrid
Lineage Notes

Sweet Nina Auto traces its lineage back to landrace genetics from Asia and was modernized through North American breeders selecting for terpene complexity.

Recommended US Climate

Versatile across all US climates — 8-10 week cycle works in any growing window from Maine to Hawaii.

Sweet Nina Auto — Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read our full breeding process and about page.

Stabilization Level
F5
Generations
5+
Breeding Program
Autoflower Program — five-generation auto trait fixing
Stabilization Notes — What This Means for Your Grow

Sweet Nina is our F5 autoflower line. Five generations of selection have fixed both the autoflower trigger and the trichome production the cultivar is known for. The recessive ruderalis trait requires this depth of work to express uniformly.

Breeding Goal

Stabilize the recessive ruderalis trait in Sweet Nina for uniform auto-trigger.

Selection Focus

Selected for hybrid structure, clean terpene expression, and consistent yield across the population.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
June 12, 2025· 99%+ germination
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