Grapefruit Diesel feminized cannabis flower
Hybrid
THC 18%
🎨 Creative
HybridFeminizedIn Stock

Grapefruit Diesel Feminized

Well-balanced feminized hybrid with relaxed and sleepy effects and uniform canopy potential. Ideal for intermediate growers seeking balanced potency and manageable training.

Flavor:Pine, sweet citrus, earthy musk

Best for:🌙Evening💪Muscle Spasms🩹Pain
Intermediate Grower
🧬
THC
18%
Flower
60 days (indoor)
⚖️
Yield
Medium – High
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Monitor stretch in early flower and adjust training accordingly

Select Pack Size
$11.99USD

Premium genetics

Rewards careful growers with medium – high output per plant
Delivers relaxed and sleepy effects ideal for evening
Proven hybrid lineage with reliable germination and vigor

Ready to grow this strain?

1
Stabilized line, consistent across batches
🎁

Free Seeds With Every Order

Spend $30+
1 Free
Spend $75+
5 Free
Best
Spend $200+
15 Free

Choose your free strains, no mystery seeds. See how to get free seeds with every order

🇺🇸Free Shipping
🌱Germination Guarantee
🔒Tracked Shipping
Home-grower favorite, stock moves quickly
Royal King Seeds offers a 95% germination guarantee (subject to policy)

About Grapefruit Diesel Feminized

The genetic expression of Grapefruit Diesel, a 60/40 hybrid, varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: a moderate frame that branches well and produces evenly developed colas with a mix of density and airflow. But expect variation, roughly 1 in 4 plants will lean more strongly in one parental direction, which is part of what makes pheno-hunting this strain interesting. THC testing at 18% across phenotypes, with Caryophyllene consistently dominant.

Genetic Expression in the Grow Room

The dominant phenotype, which appears in roughly 70-75% of seeds, produces a balanced frame that takes to training intuitively. The branching pattern suggests hybrid vigor, aggressive enough to fill space without becoming unmanageable. Flower structure falls between dense and airy, which provides a good balance of bag appeal and mold resistance.

The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 60 days (indoor) across phenotypes. Yield: Up to 450g/m² indoor, Up to 550 gr outdoor. Height: Medium. Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

What Users Report

Grapefruit Diesel at 18% THC produces relaxed, sleepy, uplifted sensations that users consistently describe as versatile enough to serve different purposes depending on dose and setting. Lower doses lean more cerebral and functional. Higher doses bring the body effect forward. The Caryophyllene/Myrcene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other hybrids at similar THC levels.

Best suited for flexible use across the day, lighter doses for daytime function, heavier doses for evening relaxation.

Terpene Profile

Dominant terpenes: Caryophyllene (primary), Myrcene (secondary), Humulene (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 Grapefruit Diesel

This strain fits growers with at least one harvest behind them who want to step up in quality without dramatically increasing complexity. The photoperiod genetics give you control over vegetative growth time and final plant size. Indoor growers in any US state can run this strain with standard tent equipment. Outdoor growers should match the 60 days (indoor) flowering period to their frost-free window.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😴Sleepy
72% of people reported feeling Sleepy
😎Uplifted
58% of people reported feeling Uplifted
😊Happy
51% of people reported feeling Happy
🤩Creative
50% of people reported feeling Creative
🤗Euphoric
40% of people reported feeling Euphoric
🤤Hungry
34% of people reported feeling Hungry
😆Giggly
31% of people reported feeling Giggly
🧠Focused
21% of people reported feeling Focused

Best For

Evening
Muscle Spasms
Pain
Stress

Strain Type

Indica 60%Sativa 40%

Strain Data Sheet

🧬THC18% - 23% (Medium-High)
🌿LineageGrapefruit × NYC Diesel
🔬TypeFeminized Hybrid
🌡ClimateTemperate, adaptable
📅HarvestLate September – October, N. hemisphere (typical)
📏HeightMedium
⚖️YieldMedium – High
🏠Yield IndoorUp to 450g/m²
🌳Yield OutdoorUp to 550 gr
Flowering Time60 days (indoor)

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. Laws governing cannabis seeds, germination, and cultivation vary by jurisdiction and may change. Customers are responsible for reviewing applicable federal, state, and local requirements before ordering or germinating seeds. This information is not legal advice.
1
Grapefruit Diesel Feminized
royalkingseeds.us
IG
FB
X
🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number
  • Black Russian feminized cannabis plant
    Hybrid
    THC 24%
    🎨 Creative

    Black Russian Feminized

    CreativeCalm
    $15.99USD
  • AK feminized cannabis plant
    Sativa
    THC 19%
    🏅 Top rated

    AK Feminized

    HappyEnergeticCreative
    $10.99USD
  • Rene Mist feminized cannabis plant
    Hybrid
    THC 26%
    High Potency

    Rene Mist Feminized

    CreativeFocused
    $10.99USD
  • Pineapple feminized cannabis plant
    Hybrid
    THC 20%
    🎨 Creative

    Pineapple Feminized

    HappyRelaxedUplifted
    $15.49USD

Grapefruit Diesel Strain Review

Want the full breakdown of effects, lineage, terpene profile, and a complete grow guide? Read our in-depth Grapefruit Diesel strain review.

Grapefruit Diesel Feminized, Cannabinoid & Terpene Reference

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

Total THC
17.5%
CBD
0.11%
Top Terpenes
Caryophyllene, Limonene, Humulene

Grapefruit Diesel Feminized, Aggregated Grower Yield Reports

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

SetupYield
Outdoor, balcony, 5-gal fabric pot735g
3×3 tent, 400W LED, single-cola506g
4×4 tent, 600W LED, SCROG506g

Grapefruit Diesel Feminized, Sourcing & Genetics

Release Era
Modern stabilized line
Parent Genetics
Grapefruit × NYC Diesel
Lineage Notes
Grapefruit Diesel is an indica-leaning hybrid that is the direct offspring of Grapefruit and NYC Diesel. Its sativa-tilting, long-lasting effects give it a reputation as a jack of all trades.
Recommended US Climate
Adaptable to most US climates. Performs best in moderate temperature ranges (60-85°F). Indoor recommended in extreme climates.

Save More on Cannabis Seeds