Rainbow cannabis seeds packaging, Royal King Seeds USA
Sativa
THC 20%
🎨 Creative
SativaFeminizedIn Stock

Rainbow Feminized

S1 FeminizedLab Profile Available β†’

Well-balanced feminized sativa with euphoric and happy effects and classic sativa elongation. Ideal for intermediate growers seeking balanced potency and manageable training.

β—‰Flavor:Mango, citrus peel, herbal musk

Best for:πŸ•Anytime⚑Fatigue🩹Pain
Intermediate Grower
🧬
THC
20%
⏱
Flower
7 - 9 weeks
βš–οΈ
Yield
Medium - High
🎯
Difficulty
Intermediate
πŸ“
Height
Tall
🌱
Grow
Indoor / Outdoor
πŸ’‘

Grower tip: Lollipop lower branches to focus energy on top colas

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$12.49USD

Premium stabilized genetics Β· germination guaranteed

βœ“Rewards careful growers with medium–high output per plant
βœ“Delivers euphoric and happy effects ideal for anytime
βœ“Proven sativa lineage with reliable germination and vigor

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Sought-after phenotype, batch-limited
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About Rainbow Feminized

The genetic expression of Rainbow, a 30/70 sativa, varies meaningfully across phenotypes. Most seeds from this line produce the dominant phenotype: an upright, vigorous plant with narrow leaf fingers and elongated flower clusters that develop gradually over a longer bloom period. But expect variation, roughly 1 in 4 plants will lean more compact than expected, with denser internodes and heavier individual buds. THC testing at 20% across phenotypes, with Limonene consistently dominant.

Genetic Expression in the Grow Room

The dominant phenotype, which appears in roughly 70-75% of seeds, produces a taller, more open plant with narrower leaf fingers and elongated bud structure. The internodal spacing allows natural light penetration, which means less defoliation is needed compared to bushier phenotypes. Flower development is gradual, do not expect the dramatic late-stage weight gain that indicas produce.

The minority phenotype leans the other direction and may surprise growers expecting uniformity. Flowering completes in 9-11 weeks across phenotypes. Yield: 300-400g/mΒ² indoor, 600-800g/plant outdoor. Height: Medium (3-4 ft). Rated intermediate, the phenotype variation adds a layer of interest without adding significant difficulty. Growing from feminized seeds.

What Users Report

Rainbow at 20% THC produces euphoric, happy, uplifted sensations that users consistently describe as mentally engaging with a creative or social quality that makes it a daytime-appropriate choice for many users. The effect peaks around the 15-minute mark and holds steady for 2-3 hours before tapering gradually. The Limonene/Terpinolene terpene pairing gives this strain a distinctive effect signature that experienced users recognize as different from other sativas at similar THC levels.

Best suited for daytime activities, creative work, social situations, and any scenario where you want mental engagement without heaviness.

Terpene Profile

Dominant terpenes: Limonene (primary), Terpinolene (secondary), Pinene (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 Rainbow

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

πŸ€—Euphoric
74% of people reported feeling Euphoric
😊Happy
65% of people reported feeling Happy
😎Uplifted
58% of people reported feeling Uplifted
πŸ€‘Energetic
50% of people reported feeling Energetic
🀩Creative
50% of people reported feeling Creative
🧠Focused
42% of people reported feeling Focused
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

✦ Anytime
✦ Fatigue
✦ Pain
✦ Stress

Strain Type

Indica 30%Sativa 70%

Strain Data Sheet

🧬THC20% - 23% (High)
🌿LineageThai Landrace Γ— Trainwreck
πŸ”¬TypeFeminized Sativa
🌑ClimateMediterranean, Warm
πŸ“…HarvestLate September - Early October
πŸ“Height4.9 - 6.9 ft | 148 - 206 cm
βš–οΈYieldMedium - High
🏠Yield Indoor14.0 oz/ft² | 398 - 546 g/m²
🌳Yield Outdoor19 - 25 oz/plant | 548 - 696 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.
1
Rainbow Feminized
royalkingseeds.us
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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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Rainbow 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
20.2%
CBD
0.09%
Top Terpenes
Caryophyllene, Limonene, Pinene

Rainbow Feminized, Aggregated Grower Yield Reports

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

SetupYield
4Γ—4 tent, 600W LED, LST591g
4Γ—4 tent, 600W LED, defoliation590g
Outdoor, balcony, 5-gal fabric pot1035g

Rainbow Feminized, Sourcing & Genetics

Release Era
Early 2000s
Parent Genetics
Pure sativa landrace heritage
Lineage Notes

Rainbow Feminized was first stabilized in Amsterdam coffee-shop circles in the 2000s and adapted to American growing conditions through North American breeding programs.

Recommended US Climate

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

Rainbow 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

A newer late-2010s cross still in active stabilization. F3 means three generations of selection, the high-energy terpene expression is locked for the majority of the pack, with a small variant subset under continued cull.

Breeding Goal

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

Selection Focus

Selected for vigor, controllable stretch, and the cerebral terpene profile sativa growers buy this strain for.

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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