Watermelon cannabis seeds packaging, Royal King Seeds USA
Indica
THC 17%
🌙 Sleep Aid
IndicaFeminizedIn Stock

Watermelon Feminized

S1 FeminizedLab Profile Available →

Well-balanced feminized indica with happy and relaxed effects and dense bud formation. Ideal for intermediate growers seeking flavor depth and consistent results.

Flavor:Sweet grape, pine, woody incense

Best for:🌙Evening😴Insomnia🩹Pain
Intermediate Grower
🧬
THC
17%
Flower
8 - 10 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Defoliate selectively to open airflow around the inner canopy

Select Pack Size
$13.49USD

Premium stabilized genetics · germination guaranteed

Delivers high harvests under balanced light and nutrients
Blends happy and relaxed sensations, perfect for evening
Premium indica genetics refined for home growers

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About Watermelon Feminized

The genetic expression of Watermelon, a 80/20 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 17% 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: 350-450g/m² indoor, 500-700g/plant outdoor. Height: Tall (4-5 ft). Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

What Users Report

Watermelon at 17% THC produces happy, relaxed, sleepy sensations that users consistently describe as physically comforting without being immobilizing at moderate doses. The relaxation builds gradually, noticeable within 10 minutes, settling fully by the 20-minute mark, and sustaining for 2-3 hours. The Myrcene/Humulene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other indicas at similar THC levels.

Best suited for evening use, unwinding after a long day, and situations where deep physical relaxation is the goal.

Terpene Profile

Dominant terpenes: Myrcene (primary), Humulene (secondary), Linalool (tertiary). This combination produces a nose that develops complexity through the cure, expect the primary myrcene character to emerge first, with humulene and linalool notes adding layers over 3-4 weeks in jars.

Who Should Grow Watermelon

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 9-11 weeks flowering period to their frost-free window.

Effects

😊Happy
72% of people reported feeling Happy
😌Relaxed
65% of people reported feeling Relaxed
😴Sleepy
65% of people reported feeling Sleepy
🤤Hungry
54% of people reported feeling Hungry
🤗Euphoric
47% of people reported feeling Euphoric
🧘Calm
40% of people reported feeling Calm
🌿Stress Relief
27% of people reported feeling Stress Relief
💆Body High
24% of people reported feeling Body High
😶‍🌫️Sedated
21% of people reported feeling Sedated

Best For

Evening
Insomnia
Pain
Stress

Strain Type

Indica 80%Sativa 20%

Strain Data Sheet

🧬THC17% - 21% (Medium-High)
🌿LineageNorthern Lights × Master Kush
🔬TypeFeminized Indica
🌡ClimateCool, Temperate
📅HarvestEarly - Mid October
📏Height3.3 - 5.5 ft | 98 - 166 cm
⚖️YieldHigh
🏠Yield Indoor14.4 oz/ft² | 408 - 566 g/m²
🌳Yield Outdoor16 - 22 oz/plant | 458 - 616 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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Watermelon Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Watermelon 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
17.1%
CBD
0.07%
Top Terpenes
Myrcene, Humulene, Pinene

Watermelon Feminized, Aggregated Grower Yield Reports

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

SetupYield
Outdoor, balcony, 5-gal fabric pot626g
Outdoor, greenhouse, supplemental light626g
4×4 tent, 1000W HPS, SCROG506g

Watermelon Feminized, Sourcing & Genetics

Release Era
2015-2020 era
Parent Genetics
Pure Hindu Kush mountain heritage
Lineage Notes

Watermelon Feminized is a modern stabilized hybrid developed through 5+ generations of phenotype hunting in Colorado and Oregon legal grow operations.

Recommended US Climate

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

Watermelon 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
BX2
Generations
3+
Breeding Program
Backcross Stabilization (BX2), modern hybrid fixing
Stabilization Notes, What This Means for Your Grow

Watermelon carries clone-derived parents from the recent-era. We backcrossed twice to the dominant parent (BX2) to lock cut-specific traits into seed-stable form. Vigor and tight finishing window are uniform across the population.

Breeding Goal

Fix parent-cut traits in Watermelon without over-narrowing the population.

Selection Focus

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

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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