A-10 cannabis seeds packaging β€” Royal King Seeds USA
IndicaAuto
THC 18-22%
😊 Beginner Pick
IndicaAutoflowerIn Stock

A-10 Auto

Auto F4Lab Profile Available β†’

High-potency indica autoflower with creative and relaxed effects and short stocky growth and heavy trichomes. Ideal for intermediate growers seeking potency and reliable yields.

β—‰Flavor:Hash, pine nut, creamy earth

Best for:πŸ›‹οΈRelaxation🎨Creative pursuitsπŸŒ™Evening
Intermediate Grower
🧬
THC
18-22%
⏱
Flower
8 - 10 weeks
βš–οΈ
Yield
Medium
🎯
Difficulty
Intermediate
πŸ“
Height
Medium
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Stick to low-stress training only on auto indicas

Select Pack Size
$9.99USD

Premium stabilized genetics Β· germination guaranteed

βœ“Produces medium yields with proper training and spacing
βœ“Brings pronounced creative effects tailored for relaxation
βœ“Stabilized indica genetics delivering predictable results

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About A-10 Auto

We have run A-10 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 myrcene-forward flower at 18-22% THC that matches the genetic promise. The 70/20 profile shows in how the plant structures itself β€” bushy, compact, eager to fill lateral space. 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 β€” 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 minimal β€” maybe 25-30% height increase.

Flowering completed in 8-10 weeks. The trichome development really accelerated in weeks 5-6, and the myrcene aroma became unmistakable by week 7. Final indoor yield: 400-500g/mΒ² under LED. Height at harvest: Compact (2-3 ft). Difficulty: intermediate β€” 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 β€” the faster growth rate under intense light outpaced our standard cal-mag dosing.

Effects and Use

At 18-22% THC, A-10 delivers creative, relaxed, happy effects with a myrcene-influenced character. The onset is body-first β€” 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 myrcene dominance adds depth and sedative potential, especially at higher doses.

Terpene Profile

Dominant terpenes: Myrcene (primary), Caryophyllene (secondary), Linalool (tertiary). This combination produces an aroma profile that is immediately identifiable when the jar opens and translates well to both vaporization (best at 360-385Β°F) and combustion, though lower temperatures preserve the caryophyllene top notes that combustion destroys.

Who Should Grow A-10

Best suited for growers who value speed and simplicity β€” 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

🀩Creative
77% of people reported feeling Creative
😌Relaxed
65% of people reported feeling Relaxed
😊Happy
58% of people reported feeling Happy
😴Sleepy
58% of people reported feeling Sleepy
🀀Hungry
48% of people reported feeling Hungry
πŸ€—Euphoric
40% of people reported feeling Euphoric
🧘Calm
33% of people reported feeling Calm
🌿Stress Relief
20% of people reported feeling Stress Relief
πŸ’†Body High
17% of people reported feeling Body High

Best For

✦ relaxation
✦ creative pursuits
✦ Evening

Strain Type

Indica 70%Sativa 20%

Strain Data Sheet

🧬THC18% - 22% (High)
🌿LineageA-10 Photoperiod Γ— Ruderalis
πŸ”¬TypeAutoflower
🌑ClimateAll Climates (Adaptable)
πŸ“…Harvest8 - 10 weeks from seed
πŸ“Height2 - 3.3 ft | 60 - 100 cm
βš–οΈYieldMedium
🏠Yield Indoor1.2 oz/ft² | 300 - 400 g/m²
🌳Yield Outdoor3 - 7 oz/plant | 80 - 200 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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A-10 Auto
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πŸ”’Sealed for authenticity
πŸ’§Waterproof coating
πŸ›‘οΈAluminium interior lining
🏷️Protective sticker
πŸ“±QR code verification
πŸ”’Scratchable serial number

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A-10 Auto β€” Lab-Verified Cannabinoid & Terpene Data

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

Total THC
18.2%
CBD
0.16%
Top Terpenes
Myrcene, Caryophyllene, Linalool
Test Lab
SC Labs (CA)
2024

A-10 Auto β€” Real Grower Yield Reports

Yield data from US growers cultivating A-10 Auto autoflower seeds β€” submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.

SetupYield
4Γ—4 tent, 1000W HPS, SCROG139g
5Γ—5 tent, 730W LED, SCROG139g

A-10 Auto β€” Sourcing & Genetics

Release Era
2015-2020 era
Parent Genetics
Pure Afghani-derived modern indica
Lineage Notes

A-10 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 β€” 8-10 week cycle works in any growing window from Maine to Hawaii.

A-10 Auto β€” Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics β€” 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
Royal King Genetics Auto Line β€” recessive trait stabilization
Stabilization Notes β€” What This Means for Your Grow

A-10 is our F5 autoflower line. Five generations of selection have fixed both the autoflower trigger and the compact internode spacing the cultivar is known for. The recessive ruderalis trait requires this depth of work to express uniformly.

Breeding Goal

Lock the autoflower trait in A-10 through five generations of selection.

Selection Focus

Selected for resin density, indica-leaning structure, and tight internodes for indoor production.

Pollen / Mother Source

Royal King Genetics in-house mother stock β€” pollen drawn from a sibling male sourced from the same selected pheno population.

Last Batch QC Verified
January 16, 2026Β· 99%+ germination
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