Lemon Jack cannabis seeds packaging, Royal King Seeds USA
Sativa
THC 15%
🎨 Creative
SativaFeminizedIn Stock

Lemon Jack Feminized

S1 FeminizedLab Profile Available β†’

Mellow feminized sativa with energetic and focused effects and vigorous vegetative growth. Ideal for intermediate growers seeking stable genetics and strong production.

β—‰Flavor:Orange zest, pine, sandalwood

Best for:🌀️DepressionπŸŒ™Evening⚑Fatigue
Intermediate Grower
🧬
THC
15%
⏱
Flower
8 - 10 weeks
βš–οΈ
Yield
High
🎯
Difficulty
Intermediate
πŸ“
Height
Tall
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Flip to 12/12 early, sativas stretch 2–3Γ— in flower

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$15.49USD

Premium stabilized genetics Β· germination guaranteed

βœ“Generates high production in both indoor and outdoor setups
βœ“Hits with clean energetic effects that shine during depression
βœ“Sativa-dominant genetics with stable, consistent phenotype

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β˜…Reliable performer for home cultivators
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In high demand, restocked regularly
⭐Ships to all 50 US states discreetly

About Lemon Jack Feminized

The most common mistake growers make with Lemon Jack is not flipping early enough. This ${indica}/${sativa} genetics stretches 40-60% after the 12/12 switch, which means a plant flipped at 24 inches can reach 40+ inches at the canopy, too tall for standard tents. Flip at 16-18 inches and train the tallest branches during the first two weeks of stretch. At 15% THC with pinene-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 Lemon Jack:

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. Height management. The stretch surprises indoor growers who flip too late. In a 5-foot tent, flip when the plant is 16-18 inches. Under LED the stretch is slightly less than HPS, but still significant. Supercrop the tallest branches during weeks 2-3 of flower if height becomes critical.

3. Harvest timing. With pinene 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: 450-550g/mΒ² indoor / 400-600g/plant outdoor. Height: Compact (2-3 ft). Difficulty: intermediate.

Effects and Use

At 15% THC, Lemon Jack delivers energetic, focused, happy effects with a pinene-influenced character. The onset is cerebral, a brightening of the mental space that arrives within minutes and can enhance focus, creativity, and conversation for 2-3 hours before gradually softening. The body stays comfortable without heaviness. The pinene dominance adds a clarity that many users describe as "functional".

Terpene Profile

Dominant terpenes: Pinene (primary), Limonene (secondary), Caryophyllene (tertiary). This combination produces a nose that develops complexity through the cure, expect the primary pinene character to emerge first, with limonene and caryophyllene notes adding layers over 3-4 weeks in jars.

Who Should Grow Lemon Jack

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

πŸ€‘Energetic
71% of people reported feeling Energetic
🧠Focused
69% of people reported feeling Focused
😊Happy
58% of people reported feeling Happy
🀩Creative
56% of people reported feeling Creative
😎Uplifted
45% of people reported feeling Uplifted
πŸ€—Euphoric
40% of people reported feeling Euphoric
πŸ—£οΈTalkative
30% of people reported feeling Talkative
πŸ’ͺMotivated
31% of people reported feeling Motivated
πŸ˜†Giggly
24% of people reported feeling Giggly

Best For

✦ Depression
✦ Evening
✦ Fatigue
✦ Stress

Strain Type

Indica 25%Sativa 75%

Strain Data Sheet

🧬THC15% - 19% (Medium-High)
🌿LineageJack Herer Γ— Durban Poison
πŸ”¬TypeFeminized Sativa
🌑ClimateTemperate, Warm
πŸ“…HarvestEarly - Mid October
πŸ“Height5.3 - 7.3 ft | 159 - 218 cm
βš–οΈYieldHigh
🏠Yield Indoor16.2 oz/ft² | 459 - 618 g/m²
🌳Yield Outdoor20 - 27 oz/plant | 559 - 768 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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Lemon Jack Feminized
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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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Lemon Jack 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 Γ— THCA). Individual seed-lot expression may vary by 1-3 percent.

Total THC
15.4%
CBD
0.12%
Top Terpenes
Pinene, Limonene, Myrcene

Lemon Jack Feminized, Aggregated Grower Yield Reports

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

SetupYield
4Γ—4 tent, 600W LED, top + main-line520g
4Γ—4 tent, 600W LED, defoliation521g

Lemon Jack Feminized, Sourcing & Genetics

Release Era
Recent (post-2020)
Parent Genetics
Haze Γ— Sativa modern hybrid
Lineage Notes

Lemon Jack Feminized was bred in Spain by a respected European seed bank and selected for stability across multiple climates before reaching the US market.

Recommended US Climate

Best in long-season warm climates (CA, OR, FL, HI, Southern states). Indoor cultivation works in any climate.

Lemon Jack 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
Royal King Genetics Active Selection, F3 in-progress fixing
Stabilization Notes, What This Means for Your Grow

F3 stabilization on the Lemon Jack 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 Lemon Jack at F3 to lock the cross profile.

Selection Focus

Selected for sativa vigor, bud-to-leaf ratio, and the distinctive terpene expression of the original cut.

Pollen / Mother Source

Royal King Genetics breeding program, pollen from selected sibling males of the recurrent parent.

Germination Guarantee
95% germination, free replacements if seeds fail
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