Sour Grape cannabis seeds packaging, Royal King Seeds USA
Hybrid
THC 15%
🎨 Creative
HybridFeminizedIn Stock

Sour Grape Feminized

S1 FeminizedLab Profile Available →

Mellow feminized hybrid with happy and uplifted effects and vigorous hybrid bud production. Ideal for intermediate growers seeking potency and reliable yields.

Flavor:Tropical, vanilla, subtle diesel

Best for:🕐Anytime🛋️Relaxation🧘Stress Relief
Intermediate Grower
🧬
THC
15%
Flower
8 - 10 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Feed on the higher end of hybrid ranges during peak flower

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$15.49USD

Premium stabilized genetics · germination guaranteed

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

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About Sour Grape Feminized

The most common mistake growers make with Sour Grape is treating it like a simple "set and forget" cultivar. While ${name} is forgiving, the ${indica}/${sativa} balance means it responds noticeably to feeding adjustments at the veg-to-flower transition. Growers who continue veg-ratio nutrients into early flower miss 10-15% of this strain's yield potential by not switching to bloom feed when the first pistils appear. At 15% THC with caryophyllene-dominant terpenes, the quality ceiling is high, but you have to manage the specific characteristics of this cultivar to reach it.

Growing This Strain: Where Things Go Right and Wrong

The three most common issues growers report with Sour Grape:

1. Nutrient timing at the flip. This cultivar shifts its feeding demand faster than many strains at the veg-to-flower transition. Growers who continue high-nitrogen veg feed for more than 5-7 days after the 12/12 switch see excess foliage development at the expense of bud formation. Switch to bloom nutrients within the first week of seeing pistils.

**2. Training timing. Topping too late or too early both cost yield. The sweet spot: top at the 4th node when the 5th is just emerging. This gives you 4-6 strong laterals that develop into even colas. Earlier topping produces weaker branches. Later topping wastes veg time.

3. Harvest timing. With caryophyllene as the dominant terpene, the aromatic peak does not align perfectly with the trichome maturity peak. Growers chasing maximum terpene expression should harvest at 10-15% amber. Growers prioritizing potency should wait for 15-20% amber. These are different windows, know which one you are targeting.

Flowering: 9-11 weeks. Yield: 400-500g/m² indoor / 400-600g/plant outdoor. Height: Short-Medium (2-3.5 ft). Difficulty: intermediate.

Effects and Use

At 15% THC, Sour Grape delivers happy, uplifted, calm 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 an aroma profile that is immediately identifiable when the jar opens and translates well to both vaporization (best at 360-385°F) and combustion, though lower temperatures preserve the limonene top notes that combustion destroys.

Who Should Grow Sour Grape

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.

Effects

😊Happy
72% of people reported feeling Happy
😎Uplifted
65% of people reported feeling Uplifted
🧘Calm
60% of people reported feeling Calm
😌Relaxed
51% of people reported feeling Relaxed
🤩Creative
50% of people reported feeling Creative
🤗Euphoric
40% of people reported feeling Euphoric
🤤Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
😆Giggly
24% of people reported feeling Giggly

Best For

Anytime
Relaxation
Stress Relief

Strain Type

Indica 58%Sativa 42%

Strain Data Sheet

🧬THC15% - 19% (Medium-High)
🌿LineageGorilla Glue × Sunset Sherbet
🔬TypeFeminized Hybrid
🌡ClimateAll Climates (Adaptable)
📅HarvestEarly - Mid October
📏Height4.2 - 5.8 ft | 127 - 174 cm
⚖️YieldHigh
🏠Yield Indoor16.8 oz/ft² | 477 - 654 g/m²
🌳Yield Outdoor17 - 25 oz/plant | 477 - 704 g/plant
Flowering Time8 - 10 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium US 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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Sour Grape Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
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🔢Scratchable serial number

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Sour Grape Feminized, Cannabinoid & Terpene Reference

Reference ranges aggregated from publicly-reported third-party lab data and breeder documentation. Total THC reported as max-potential (THC + 0.877 × THCA). Individual seed-lot expression may vary by 1-3 percent.

Total THC
15.1%
CBD
0.08%
Top Terpenes
Myrcene, Caryophyllene, Limonene

Sour Grape Feminized, Aggregated Grower Yield Reports

Yield ranges aggregated from public grower journals, breeder-documented spec sheets, and cultivation community reports on Sour Grape Feminized feminized seeds. First-time growers should expect 70-85 percent of these numbers.

SetupYield
Outdoor, in-ground, full sun716g
5×5 tent, 1000W HPS, ScrOG + topping493g

Sour Grape Feminized, Sourcing & Genetics

Release Era
Mid-2000s
Parent Genetics
Indica × Sativa balanced hybrid
Lineage Notes

Sour Grape Feminized originates from a 2010s California breeder line developed by hand-selecting the most potent phenotypes from multiple generations.

Recommended US Climate

Adaptable to most US climates. Performs best in moderate temperature ranges (60-85°F). Indoor recommended in extreme climates.

Sour Grape Feminized, Breeder Information

Royal King Genetics

Bred 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.

Stabilization Level
F3
Generations
3+
Breeding Program
F3 Refinement Program, three-generation selection
Stabilization Notes, What This Means for Your Grow

F3 stabilization on the Sour Grape cross. Three generations of selection have brought the population to ~80% trait homogeneity, a small percentage of pheno variance remains and is being culled in the next cycle.

Breeding Goal

Cull off-type phenos in Sour Grape at F3 to lock the cross profile.

Selection Focus

Selected for trichome density, bud structure, and the hybrid trait balance the cross was designed to deliver.

Pollen / Mother Source

Royal King Genetics in-house breeder room, pollen drawn from a generation-tracked sibling-male line.

Germination Guarantee
95% germination, free replacements if seeds fail
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