Grapefruit Kush cannabis seeds packaging, Royal King Seeds USA
Indica
THC 21%
🎨 Creative
IndicaFeminizedIn Stock

Grapefruit Kush Feminized

S1 FeminizedLab Profile Available β†’

Potent feminized indica with energetic and happy effects and short stocky growth and heavy trichomes. Ideal for intermediate growers seeking potency and reliable yields.

β—‰Flavor:Earthy pine, sweet berry, subtle hash

Best for:πŸ•Anytime😴InsomniaπŸ’ͺMuscle Spasms
Intermediate Grower
🧬
THC
21%
⏱
Flower
7 - 9 weeks
βš–οΈ
Yield
Medium - High
🎯
Difficulty
Intermediate
πŸ“
Height
Medium
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Keep humidity below 50% during the last 3 weeks of flower

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$11.99USD

Premium stabilized genetics Β· germination guaranteed

βœ“Produces medium–high yields with proper training and spacing
βœ“Brings pronounced energetic effects tailored for anytime
βœ“Stabilized indica genetics delivering predictable results

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About Grapefruit Kush Feminized

The genetic expression of Grapefruit Kush, a 70/30 indica, varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: a compact, bushy plant with broad fan leaves and golf-ball-dense flowers that pack on weight in the final two weeks. But expect variation, roughly 1 in 4 plants will lean slightly more toward the sativa parent, showing more stretch and airier flower structure. THC testing at 21% across phenotypes, with Myrcene consistently dominant.

Genetic Expression in the Grow Room

The dominant phenotype, which appears in roughly 70-75% of seeds, produces a compact, symmetrical plant with broad internodes and heavy lateral branching. Fan leaves are wide and dark green, typical of the indica heritage. Flower clusters form tight, round colas that pack on weight noticeably in the final 10 days before harvest.

The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 9-11 weeks across phenotypes. Yield: 400-500g/mΒ² indoor, 350-500g/plant outdoor. Height: Compact (2-3 ft). Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

Effects and Use

At 21% THC, Grapefruit Kush delivers energetic, happy, relaxed effects with a myrcene-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 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 Grapefruit Kush

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
😊Happy
65% of people reported feeling Happy
😌Relaxed
58% of people reported feeling Relaxed
😴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

✦ Anytime
✦ Insomnia
✦ Muscle Spasms
✦ Stress

Strain Type

Indica 70%Sativa 30%

Strain Data Sheet

🧬THC21% - 24% (High)
🌿LineageMaster Kush Γ— Granddaddy Purple
πŸ”¬TypeFeminized Indica
🌑ClimateContinental, Temperate
πŸ“…HarvestLate September - Early October
πŸ“Height2.4 - 3.9 ft | 73 - 116 cm
βš–οΈYieldMedium - High
🏠Yield Indoor12.5 oz/ft² | 353 - 506 g/m²
🌳Yield Outdoor20 - 23 oz/plant | 553 - 656 g/plant
⏱Flowering Time7 - 9 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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Grapefruit Kush 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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Grapefruit Kush 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
20.9%
CBD
0.16%
Top Terpenes
Myrcene, Pinene, Caryophyllene

Grapefruit Kush Feminized, Aggregated Grower Yield Reports

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

SetupYield
Outdoor, in-ground, full sun637g
4Γ—4 tent, 600W LED, defoliation517g

Grapefruit Kush Feminized, Sourcing & Genetics

Release Era
Mid-2000s
Parent Genetics
Afghani Γ— Pakistani landrace cross
Lineage Notes

Grapefruit Kush Feminized traces its lineage back to landrace genetics from Asia and was modernized through North American breeders selecting for terpene complexity.

Recommended US Climate

Cold-tolerant; performs well in short-season Northern states (ME, VT, MN, WI). Indoor cultivation works anywhere.

Grapefruit Kush 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
BX3
Generations
4+
Breeding Program
Three-Generation Backcross Program, recurrent-parent fixing
Stabilization Notes, What This Means for Your Grow

Three generations of backcrossing to the parental line have locked the Grapefruit Kush cut into the population. The resin density that made the original mother famous expresses across the pack, not just in one or two lucky phenos.

Breeding Goal

Recreate the Grapefruit Kush clone-only cut in stable seed form.

Selection Focus

Selected for resin production, compact stature, and a clean indica terpene profile.

Pollen / Mother Source

Royal King Genetics select-mother program, pollen sourced from an internally maintained reversed-female line.

Germination Guarantee
95% germination, free replacements if seeds fail
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