Old School OG cannabis seeds packaging — Royal King Seeds Canada
Indica
THC 20%%
IndicaFeminizedIn Stock

Old School OG Feminized

S1 FeminizedSee Lab Report →

Well-balanced feminized indica with relaxed and sleepy effects and short stocky growth and heavy trichomes. Ideal for intermediate growers seeking potency and reliable yields.

Flavor:Earthy pine, sweet berry, subtle hash

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Intermediate Grower
🧬
THC
20%
Flower
8 - 10 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Intermediate
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

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

Select Pack Size
$18.89CAD

Premium stabilized genetics · germination guaranteed

Produces medium-high yields with proper training and spacing
Brings pronounced relaxed effects tailored for evening
Stabilized indica genetics delivering predictable results

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Sought-after phenotype — batch-limited
Community-verified premium genetics

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 2026-03-13 on 325 seeds.

Germination rate: 99.2% (n=325)
Last QC test date: 2026-03-13
Indoor yield: 470-642 g/m² (avg across 6 verified grower reports)
Outdoor yield: 610-884 g/plant (avg across 9 verified grower reports)

About Old School OG Feminized

Spend enough time growing cannabis and you develop a nose for strains that back up their genetics with actual results. Old School OG Feminized is one of those cultivars. The indica profile reads 76% indica and 24% sativa, which shows up in both the plant structure and the stone — a physically present effect that grounds you without knocking you sideways.

The Linalool-led terpene profile (floral, lavender) is not something the breeder slapped on a label — you can smell it from across the room during week six of flower. When the spicy and hash notes lock in during the cure, the jar becomes something you want to open slowly and enjoy. At 18-22% THC, the potency supports the terpenes rather than overshadowing them.

Effects & Experience

Breaking down what Old School OG Feminized actually does to you: the Relaxed quality hits first, and it hits with conviction. This is a indica that knows what it is — there is no ambiguity about the experience you are signing up for. The 76/24 split reads clearly in the high: heavy limbs, quiet mind, a sense that gravity has increased and you are perfectly fine with it.

The Sleepy secondary effect is the one people tend to mention when describing why they come back to this strain. It does not overpower the primary Relaxed quality — it enriches it. Think of it as the difference between a one-note synthesizer and a full chord. The Happy quality surfaces during the back half of the session and provides the emotional resolution.

For morning versus evening use: evening, full stop. Trying to use this strain productively before noon is swimming upstream.

THC testing at 18-22% puts Old School OG Feminized in the moderate-to-strong range — accessible but not trivial.

Flavor & Terpene Profile

Old School OG Feminized announces its terpene profile before you even grind the bud. The jar aroma is spicy-dominant with hash supporting notes — a preview of what the smoke delivers. The Linalool content is responsible for the floral, lavender foundation, and it expresses itself with genuine intensity in well-grown and properly cured examples.

The inhale is where first impressions form. spicy takes center stage, carried by smooth, medium-density smoke that sits well on the lungs. There is no harshness or hay-like quality when the cure is right — just clean flavor from start to finish. The transition to exhale reveals a second layer: hash comes forward, and subtle pine notes add complexity that keeps each draw interesting. The aftertaste is diesel with a persistence that lasts 20-30 seconds — long enough to savor.

For vaporizer users, Old School OG Feminized rewards low-temperature sessions. Starting at 335°F captures the lightest terpenes — expect bright spicy notes with a clarity that combustion cannot match. Stepping up to 360°F brings in the Bisabolol (sweet, floral, chamomile) compounds, adding body and depth. Above 380°F, you are extracting efficiently but the flavor profile compresses into a one-note character.

The science behind the flavor: Linalool makes up the largest share of the terpene fraction and is responsible for both the floral, lavender taste and the calming and tranquil contribution to the overall experience. Bisabolol plays a dual role — its sweet, floral, chamomile flavor notes are enjoyable on their own, but this terpene also contributes gentle and soothing properties that synergize with the THC content. The third player, Terpinolene, contributes herbal, floral, woody accents that prevent flavor fatigue during longer sessions.

Why this matters: terpenes are not just about taste. The Linalool and Bisabolol combination in Old School OG Feminized actively shapes the character of the high. Strains with similar THC percentages but different terpene profiles produce noticeably different experiences — this is the entourage effect in action, and Old School OG Feminized demonstrates it clearly.

Growing Old School OG Feminized in Canada

Real talk about growing Old School OG Feminized: it does what the genetics say it will do, which is more than you can say for half the seeds on the market. This autoflower cultivar finishes in 70-85 days from germination, stays within 80-120cm indoors, and produces 400-550g/m² when the environment is dialed in.

Indoor Growing Profile: The indica structure means short, bushy plants with heavy lateral branching. Plan for 4-6 plants per 4x4 tent in a SOG layout, or 2-4 in a ScrOG setup with extended veg time. Lighting should target 600-800 PPFD during flower using full-spectrum LED.

The Canadian Outdoor Challenge: Every Canadian outdoor grower is racing the calendar. Autoflowering genetics give you a head start — the lifecycle is complete in under 90 days regardless of photoperiod, which means harvesting in August while the weather is still cooperating. 450-650g/plant per plant is achievable in full sun with proper soil preparation.

Height Management: From flip to final height, Old School OG Feminized adds 30-50% during the flower stretch. Manage the stretch with supercropping or tie-downs during the first two weeks of flower.

Feeding Schedule Notes: Week-by-week adjustments produce the best results. Ramp nitrogen during veg weeks 2-4, taper during the transition, and push P-K ratios during weeks 3-6 of flower when calyx development peaks. Add silica throughout for stronger stems and enhanced trichome production.

Pest and Disease in Canadian Conditions: Fungus gnats thrive in the damp conditions common in Canadian basements. Use yellow sticky traps, let your medium dry slightly between waterings, and top-dress with diatomaceous earth. Powdery mildew is the other Canadian grow room nemesis — keep humidity below 50% in flower and maintain airflow. Dense bud structures hide mold until it is advanced — inspect inner colas regularly.

Comparable strains worth considering: Lava Cake Feminized, Pine Tar Kush Feminized, Face Off OG Feminized. For growing fundamentals, reference our germination guide and our autoflower growing guide.

Post-Harvest Processing of Old School OG Feminized

The work does not end at chop. How you process Old School OG Feminized after harvest has as much impact on final quality as the entire grow cycle that preceded it. Growers often find this is where they either lock in everything they worked for or let it slip through their fingers.

Wet trim vs dry trim: With the dense bud structure of this strain, a light wet trim of the largest fan leaves followed by a full dry trim produces the best results. Removing the large fans at chop improves airflow around the dense buds during drying, reducing the risk of mold in the bud interior. Either approach works — consistency is more important than the specific method.

Drying environment: 60°F, 55-60% relative humidity, complete darkness, gentle air circulation (fan on the wall, not pointed at the plants). In Canadian homes, fall and winter provide naturally cool conditions that support a slow dry. Summer growers may need to run a small air conditioner or dehumidifier to maintain proper conditions. The ideal dry takes 10-14 days. Under 7 days indicates the environment is too warm or dry. Over 18 days suggests it is too cold or humid.

Curing science: Curing is not simply about drying further — it is a controlled decomposition process where chlorophyll breaks down, starches convert to sugars, and terpene profiles develop their full complexity. Old School OG Feminized benefits from extended curing because the Linalool terpene develops slowly. Jars opened at two weeks will taste noticeably different (and better) than the same flower at four weeks. We recommend a minimum four-week cure for this strain.

Quality indicators to watch during cure: The spicy aroma should intensify gradually over the first 3-4 weeks. If you detect ammonia or hay-like smells, the flower was jarred too wet — open the jars immediately and allow additional drying before re-sealing. Properly cured Old School OG Feminized should smell cleanly of spicy and hash with no off-notes. The buds should feel slightly sticky without being damp, and should break apart with a clean snap rather than crumbling to dust.

For more post-harvest techniques, refer to our germination guide. Comparable strains like Lava Cake Feminized and Pine Tar Kush Feminized respond to similar curing protocols.

Who Old School OG Feminized Is For

Growers with a harvest or two under their belt are in the sweet spot for this strain. It expects basic competence but does not demand constant intervention. The autoflowering lifecycle removes the complexity of light schedule management, which is one less variable for beginners to worry about.

Indoor growers get the most consistent results with Old School OG Feminized — the controlled environment lets the genetics express themselves fully. Outdoor growers in zones 5-7 can run this strain successfully, though timing the plant date to maximize the Canadian summer window requires planning.

Goal-based fit: - Yield hunters: Yields are respectable but not record-breaking — the quality of the flower compensates. - Flavor chasers: The spicy terpene profile makes this one worth growing for the taste alone. - Potency seekers: At 18-22% THC, the numbers are solid without being extreme.

Who should skip this one: Anyone looking for an energizing daytime strain. This is evening genetics through and through.

How Old School OG Feminized Compares

Where does Old School OG Feminized sit among indica seeds available in Canada? Above average for flavor, competitive on potency at 18-22% THC, and on par with comparable strains in terms of cultivation demands.

The closest alternatives — Lava Cake Feminized or Pine Tar Kush Feminized — share the general indica profile but differ in specifics. Old School OG Feminized wins on spicy terpene intensity. The Linalool-dominant profile creates a flavor that is immediately identifiable, which is not something every strain can claim.

Among autoflowering options, Old School OG Feminized represents the current state of auto genetics: potency and yield numbers that approach photoperiod levels with the convenience of a fixed lifecycle. The gap has closed significantly — five years ago, recommending an auto to a serious grower was a stretch. Today, it is a legitimate choice.

The standout trait: the physical depth of the effects. Where other indicas relax, this one genuinely sedates at full dose.

Effects

😌Relaxed
72% of people reported feeling Relaxed
😴Sleepy
72% of people reported feeling Sleepy
😊Happy
58% of people reported feeling Happy
🤤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
Relaxation
Sleep Support

Strain Type

Indica 76%Sativa 24%

Strain Data Sheet

🧬THC20% - 24% (High)
🌿LineageGrape Ape × Bubba Kush
🔬TypeFeminized Indica
🌡ClimateCool, Temperate
📅HarvestEarly - Mid October
📏Height2.6 - 4.1 ft | 77 - 124 cm
⚖️YieldMedium - High
🏠Yield Indoor13.7 oz/ft² | 387 - 524 g/m²
🌳Yield Outdoor19 - 24 oz/plant | 537 - 674 g/plant
Flowering Time8 - 10 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 Canada under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Old School OG Feminized
royalkingseeds.ca
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FB
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💧Waterproof coating
🛡️Aluminium interior lining
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Old School OG Feminized— Breeder & Stabilization Detail

Royal King Genetics

Bred and stabilized in-house by Royal King Genetics — the internal breeding team at Royal King Seeds. Every batch is QC'd and germ-tested above 99% before it ships to a Canadian customer. Read the full breeding process or learn more on the about page.

Stabilization Level
BX3
Generations Worked
4+
Breeding Program
Royal King Genetics Backcross Line — BX3 clone-only stabilization
Stabilization Notes — What This Means for Your Grow

BX3 is the honest stabilization point for a recent-era clone-only cultivar. We worked Old School OG through a three-generation backcross protocol to recreate the elite cut as seed. Each cycle the mother is pollinated by a sibling male to push trait fixation.

Breeding Goal

Carry a recent-era clone-only cultivar into seed without losing the mother profile.

Selection Focus

Picked for trichome saturation, stout build, and a consistent flowering window.

Pollen / Mother Source

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

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