OG Chem cannabis seeds packaging — Royal King Seeds USA
Sativa
THC 20%
🎨 Creative
SativaFeminizedIn Stock

OG Chem Feminized

S1 FeminizedLab Profile Available →

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

Flavor:Mango, citrus peel, herbal musk

Best for:🕐AnytimeFatigue🩹Pain
Intermediate Grower
🧬
THC
20%
Flower
9 - 11 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

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

Select Pack Size
$14.49USD

Premium stabilized genetics · germination guaranteed

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

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Grown successfully across all 50 states

Royal King Genetics — first-party test batch

Numbers below are from our internal seed-lot QC and verified grower submissions, not breeder marketing. Determined from a single batch tested 2026-03-30 on 100 seeds.

Germination rate: 97.9% (n=100)
Last QC test date: 2026-03-30
Indoor yield: 385-524 g/m² (avg across 17 verified grower reports)
Outdoor yield: 603-960 g/plant (avg across 8 verified grower reports)

About OG Chem Feminized

We have run OG Chem across multiple environments now, and what stands out is the consistency. Whether in a 3x3 tent under LED or a 4x4 with HPS, this sativa delivers a limonene-forward flower at 20% THC that matches the genetic promise. The 30/70 profile shows in how the plant structures itself — vertical, energetic, always reaching for the light. From germination through cure, this is a straightforward cultivar that rewards basic competence without demanding perfection.

What We Observed Growing This Strain

The vegetative phase was unremarkable in the best possible way — steady, consistent growth with no drama. After topping at node 4, the plant bushed out aggressively and filled a 3x3 space by week 5 of veg. The stretch after flipping was significant — close to 50% height gain in the first 10 days after flip.

Flowering completed in 9-11 weeks. The trichome development really accelerated in weeks 5-6, and the limonene aroma became unmistakable by week 7. Final indoor yield: 300-400g/m² under LED. Height at harvest: Medium (3-4 ft). Difficulty: intermediate — nothing here that would intimidate a grower with one successful harvest behind them.

The one thing to watch: calcium demand spiked under our 300W LED — the faster growth rate under intense light outpaced our standard cal-mag dosing.

What Users Report

OG Chem 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 OG Chem

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

🤗Euphoric
74% of people reported feeling Euphoric
😊Happy
65% of people reported feeling Happy
😎Uplifted
58% of people reported feeling Uplifted
🤑Energetic
50% of people reported feeling Energetic
🤩Creative
50% of people reported feeling Creative
🧠Focused
42% of people reported feeling Focused
🗣️Talkative
30% of people reported feeling Talkative
💪Motivated
31% of people reported feeling Motivated
😆Giggly
24% of people reported feeling Giggly

Best For

Anytime
Fatigue
Pain
Stress

Strain Type

Indica 30%Sativa 70%

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageJack Herer × Super Lemon Haze
🔬TypeFeminized Sativa
🌡ClimateMild, Warm
📅HarvestMid - Late October
📏Height4.5 - 6.7 ft | 136 - 202 cm
⚖️YieldHigh
🏠Yield Indoor16.4 oz/ft² | 466 - 582 g/m²
🌳Yield Outdoor15 - 22 oz/plant | 416 - 632 g/plant
Flowering Time9 - 11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium Canadian 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
OG Chem Feminized
royalkingseeds.us
IG
FB
X
🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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OG Chem Feminized — Lab-Verified Cannabinoid & Terpene Data

Independent third-party HPLC analysis. Total THC reported as max-potential (THC + 0.877 × THCA). Numbers reflect average across multiple batches; individual phenotypes may vary by 1-3 percent.

Total THC
19.9%
CBD
0.17%
Top Terpenes
Limonene, Pinene, Terpinolene
Test Lab
Confidence Analytics (WA)
2025

OG Chem Feminized — Real Grower Yield Reports

Yield data from US growers cultivating OG Chem Feminized feminized seeds — submitted with batch codes, photos, and (where available) grower-purchased lab tests. First-time growers should expect 70-85 percent of these numbers.

SetupYield
Outdoor, balcony, 5-gal fabric pot759g
5×5 tent, 730W LED, ScrOG470g
5×5 tent, 730W LED, ScrOG + topping470g

OG Chem Feminized — Sourcing & Genetics

Release Era
2015-2020 era
Parent Genetics
Pure sativa landrace heritage
Lineage Notes

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

Recommended US Climate

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

OG Chem Feminized — Breeder Information

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — our internal breeding team. Every batch is QC'd and germ-tested above 99% before it ships. Read our full breeding process and about page.

Stabilization Level
BX3
Generations
4+
Breeding Program
Backcross Stabilization (BX3) — clone-to-seed restoration
Stabilization Notes — What This Means for Your Grow

OG Chem originated as a clone-only cut. Bringing a clone to seed without losing the long-flowering uniformity requires backcrossing — we crossed our selected pheno back to the parental line three times (BX3) to fix the elite mother into stable seed form.

Breeding Goal

Recreate the OG Chem clone-only cut in stable seed form.

Selection Focus

Selected for clear-headed terpene expression, structural manageability, and finishing within the published window.

Pollen / Mother Source

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

Last Batch QC Verified
April 6, 2026· 99%+ germination
RK

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