G13 cannabis seeds packaging — Royal King Seeds Canada
Indica
THC 20-24%%%
IndicaFeminizedIn Stock

G13 Feminized

S1 FeminizedSee Lab Report →

High-potency feminized indica with relaxed and euphoric effects and compact, resin-coated structure. Ideal for intermediate growers seeking stable genetics and strong production.

Flavor:Hash, pine nut, creamy earth

Best for:🌙Evening🛋️Relaxation🧘Reduce stress
Intermediate Grower
🧬
THC
20-24%
Flower
8 - 10 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Intermediate
📏
Height
Short
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Maintain strong airflow — dense indica buds risk mold in late flower

Select Pack Size
$22.39CAD

Premium stabilized genetics · germination guaranteed

Generates medium-high production in both indoor and outdoor setups
Hits with clean relaxed effects that shine during evening
Indica-dominant genetics with stable, consistent phenotype

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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 2026-04-20 on 125 seeds.

Germination rate: 97.2% (n=125)
Last QC test date: 2026-04-20
Indoor yield: 484-644 g/m² (avg across 16 verified grower reports)
Outdoor yield: 480-740 g/plant (avg across 7 verified grower reports)

About G13 Feminized

G13 Feminized is the kind of strain that growers remember for seasons after they run it. The indica genetics express themselves clearly — stocky plants that pack on weight during the final weeks of flower. From seed to harvest, the plant communicates what it needs, making it a manageable run for anyone with a few harvests under their belt.

The forest and woody flavor profile is not subtle. One common mistake is harvesting too early and missing the full terpene expression — the last 10-14 days of flower are where G13 Feminized develops the depth that separates a decent harvest from a memorable one. With THC testing between 20-24%, the potency backs up the flavor, delivering Relaxed and Euphoric effects that have kept this genetics in rotation across Canadian grow rooms.

Effects & Experience

Growers who test their own harvests know that G13 Feminized delivers on the Relaxed promise the genetics carry. The onset is not a slow build — it is present within minutes, establishing the indica character of the session early. The 85/15 ratio is not just marketing; you can feel it. The indica side brings physical depth and a warmth that settles into the muscles. The sativa side contributes enough cognitive presence to keep you aware and engaged.

Mid-session, the Euphoric quality peaks. This is the heart of the G13 Feminized experience — the 20-to-45-minute window where the strain is doing exactly what it was bred to do. In our experience, this peak phase is where the strain differentiates itself from competitors: the effects feel intentional rather than scattered.

The tail end of the session introduces Sleepy and a gradual return to baseline. Sleep comes easily if you let it. The sedation is natural rather than forced — like being gently persuaded rather than clubbed. The total duration runs 2-3 hours for most consumers.

A practical note: G13 Feminized pairs well with quiet activities — music listening, meditation, stretching, or simply sitting outside and watching the sunset. At 20-24% THC, dose thoughtfully and the experience will reward you.

Flavor & Terpene Profile

The forest character of G13 Feminized is the first thing anyone notices, and it is the last thing that fades after a session. This is a strain that wears its terpene profile openly. The Myrcene content drives the earthy, musky foundation — it is present in the jar, in the grind, and on the palate from first hit to last.

What makes the flavor interesting rather than one-dimensional is the woody secondary layer. It does not compete with the forest primary note; it adds depth beneath it. On the inhale, you get clean forest with moderate density. On the exhale, woody reveals itself alongside a earthy whisper that you might miss if you are not paying attention.

Temperature makes or breaks the experience with G13 Feminized. Growers who vaporize their own harvest learn quickly that this strain has a sweet spot around 355°F where the Myrcene and Ocimene terpenes express themselves fully without burning off. Go too low and you get wisps of flavor without the body. Go too high and the nuance collapses into a generic roasted character. Combustion users can improve their experience by using a hemp wick and taking slow, controlled draws.

From a science perspective, the Myrcene-Ocimene pairing is significant. Myrcene delivers earthy, musky taste and sedating and physically relaxing pharmacological effects, while Ocimene contributes sweet, herbaceous, woody complexity and its own energizing and uplifting properties. Together, they create a more complete experience than either could alone — the technical term is terpene synergy, and G13 Feminized is a clear example.

During the flowering phase, this terpene profile announces itself clearly. Carbon filtration is not optional for indoor growers — by mid-flower, the forest aroma is pungent enough to be noticed outside the grow space. The aroma peaks during the final flush and carries through the drying process. Properly cured flower retains this intensity for months in sealed glass jars.

Growing G13 Feminized in Canada

Real talk about growing G13 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 photoperiod cultivar finishes in 7-9 weeks of flowering, 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. Photoperiod strains need to be flowering by early August to finish before October frost. In practice, this means starting indoors in March-April and transplanting outside after the May long weekend. Southern Ontario and BC growers get the most outdoor runway; Prairie and Maritime growers should lean toward faster-finishing phenotypes. 450-650g/plant per plant is achievable in full sun with proper soil preparation.

Height Management: From flip to final height, G13 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: Sweet ZZ Feminized, Afghani Feminized, Meat Breath Feminized. For growing fundamentals, reference our germination guide and our cold-hardy seeds for Canada.

Maximizing G13 Feminized in Your Garden

Getting the most out of G13 Feminized comes down to a handful of decisions made before the seed even hits the medium. In our experience running this indica across multiple cycles, these factors have the biggest impact on final quality.

Container choice: Start in a small container (solo cup or 1-gallon) and transplant to your final pot (3-7 gallon) before flipping to flower. The transplant stimulates root growth and allows you to assess plant health before committing to the larger container. Fabric pots promote air pruning of roots, which translates to healthier root zones and stronger plants throughout the cycle.

Light intensity and spectrum: During veg, 400-500 PPFD with a full-spectrum LED provides the energy G13 Feminized needs for solid structural development. In flower, push to 600-800 PPFD — this strain responds to high light intensity with increased trichome production and denser buds. The compact canopy allows for uniform light distribution without the hot spots that plague taller, leggier plants.

Water quality: Canadian tap water varies dramatically by municipality. Test your water's pH and PPM before starting. Ideal starting water is under 150 PPM with a pH of 6.0-7.0 (adjust to 6.0-6.5 for soil, 5.5-6.0 for coco/hydro). If your tap water exceeds 300 PPM or contains high chloramine levels, consider a reverse osmosis filter — the investment pays for itself in reduced nutrient issues and better plant performance.

Temperature manipulation: During the last two weeks of flower, dropping nighttime temperatures to 60-65°F can benefit G13 Feminized in two ways: it encourages purple and dark coloration in phenotypes that carry the anthocyanin genes, and it slows metabolic activity slightly, pushing more energy into resin production. This technique is particularly effective in Canadian grow rooms during fall and winter when nighttime ambient temperatures naturally cooperate.

Training summary for G13 Feminized: Top once at the 4th or 5th node during veg, then LST the resulting branches into an even canopy. ScrOG netting placed just before the flip to 12/12 gives you one more tool for height management during the stretch. Similar training approaches work for Sweet ZZ Feminized. Browse our indica strains for more genetics suited to these techniques.

Who G13 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.

Indoor growers get the most consistent results with G13 Feminized — the controlled environment lets the genetics express themselves fully. Outdoor growers in zones 5-7 can run this strain successfully, though protecting against fall moisture and early frost requires planning.

Goal-based fit: - Yield hunters: Yields are respectable but not record-breaking — the quality of the flower compensates. - Flavor chasers: The forest terpene profile makes this one worth growing for the taste alone. - Potency seekers: At 20-24% 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 G13 Feminized Compares

Where does G13 Feminized sit among indica seeds available in Canada? Above average for flavor, competitive on potency at 20-24% THC, and on par with comparable strains in terms of cultivation demands.

The closest alternatives — Sweet ZZ Feminized or Afghani Feminized — share the general indica profile but differ in specifics. G13 Feminized wins on forest terpene intensity. The Myrcene-dominant profile creates a flavor that is immediately identifiable, which is not something every strain can claim.

In the photoperiod field, G13 Feminized competes on consistency. Every seed produces a similar plant, which matters for commercial growers and home cultivators who want predictable results.

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
🤗Euphoric
67% of people reported feeling Euphoric
😴Sleepy
65% of people reported feeling Sleepy
😊Happy
51% of people reported feeling Happy
🤤Hungry
48% of people reported feeling Hungry
🧘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
reduce stress

Strain Type

Indica 85%Sativa 15%

Strain Data Sheet

🧬THC20% - 24% (Very High)
🌿LineageAfghani Indica (Government Research)
🔬TypeFeminized Photoperiod
🌡ClimateContinental, Temperate
📅HarvestMid - Late October
📏Height2 - 3 ft | 60 - 90 cm
⚖️YieldMedium - High
🏠Yield Indoor1.3 oz/ft² | 350 - 450 g/m²
🌳Yield Outdoor14 - 18 oz/plant | 400 - 500 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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G13 Feminized
royalkingseeds.ca
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
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📱QR code verification
🔢Scratchable serial number

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G13 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
F5 IBL
Generations Worked
5+
Breeding Program
Royal King Genetics IBL Line — heritage cultivar restabilization
Stabilization Notes — What This Means for Your Grow

A heritage cultivar that we have carried through five rounds of inbred selection. The 1990s heritage reference profile — terps, finish window, plant structure — is fixed inside the population, and every plant in the pack carries the trait set that earned G13 its reputation.

Breeding Goal

Strip pheno drift out of G13 while keeping the heritage trichome saturation intact.

Selection Focus

Picked for indica vigor, dense flower formation, and reliable finish times.

Pollen / Mother Source

Royal King Genetics in-house breeder room — pollen pulled from a generation-tracked sibling-male line.

Last Batch QC Verified
December 9, 2025· 99%+ germination
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