Permafrost cannabis seeds packaging — Royal King Seeds Canada
Sativa
THC 20%%%
SativaFeminizedIn Stock

Permafrost Feminized

S1 FeminizedSee Lab Report →

Well-balanced feminized sativa with creative and energetic effects and extended stretch and airy colas. Ideal for intermediate growers seeking potency and reliable yields.

Flavor:Grapefruit, lime, floral pine

Best for:🧘Anxiety🕐AnytimeFatigue
Intermediate Grower
🧬
THC
20%
Flower
8 - 10 weeks
⚖️
Yield
High
🎯
Difficulty
Intermediate
📏
Height
Tall
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Use a scrog net at week 3 to manage stretch and maximize light

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$22.39CAD

Premium stabilized genetics · germination guaranteed

Produces high yields with proper training and spacing
Brings pronounced creative effects tailored for anxiety
Stabilized sativa genetics delivering predictable results

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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 2026-03-19 on 200 seeds.

Germination rate: 97.5% (n=200)
Last QC test date: 2026-03-19
Indoor yield: 416-540 g/m² (avg across 12 verified grower reports)
Outdoor yield: 686-878 g/plant (avg across 7 verified grower reports)

About Permafrost Feminized

Permafrost Feminized is the kind of strain that growers remember for seasons after they run it. The sativa genetics express themselves clearly — tall, vigorous plants that demand vertical space but reward you with airy, trichome-drenched buds. 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 herbal and incense 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 Permafrost Feminized develops the depth that separates a decent harvest from a memorable one. With THC testing between 18-22%, the potency backs up the flavor, delivering Creative and Energetic effects that have kept this genetics in rotation across Canadian grow rooms.

Effects & Experience

Breaking down what Permafrost Feminized actually does to you: the Creative quality hits first, and it hits with conviction. This is a sativa that knows what it is — there is no ambiguity about the experience you are signing up for. The 30/70 split reads clearly in the high: racing creative thoughts, heightened senses, and an urge to do something with the energy.

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

For morning versus evening use: morning or midday is ideal. By evening, the stimulating effects can interfere with sleep onset for some users.

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

Flavor & Terpene Profile

Permafrost Feminized announces its terpene profile before you even grind the bud. The jar aroma is herbal-dominant with incense supporting notes — a preview of what the smoke delivers. The Terpinolene content is responsible for the herbal, floral, woody foundation, and it expresses itself with genuine intensity in well-grown and properly cured examples.

The inhale is where first impressions form. herbal 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: incense comes forward, and subtle tangy notes add complexity that keeps each draw interesting. The aftertaste is tropical with a persistence that lasts 20-30 seconds — long enough to savor.

For vaporizer users, Permafrost Feminized rewards low-temperature sessions. Starting at 335°F captures the lightest terpenes — expect bright herbal notes with a clarity that combustion cannot match. Stepping up to 360°F brings in the Myrcene (earthy, musky) 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: Terpinolene makes up the largest share of the terpene fraction and is responsible for both the herbal, floral, woody taste and the mildly sedating with creative undertones contribution to the overall experience. Myrcene plays a dual role — its earthy, musky flavor notes are enjoyable on their own, but this terpene also contributes sedating and physically relaxing properties that synergize with the THC content. The third player, Humulene, contributes hoppy, woody, herbal accents that prevent flavor fatigue during longer sessions.

Why this matters: terpenes are not just about taste. The Terpinolene and Myrcene combination in Permafrost 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 Permafrost Feminized demonstrates it clearly.

Growing Permafrost Feminized in Canada

Real talk about growing Permafrost 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 9-11 weeks of flowering, stays within 120-180cm indoors, and produces 400-550g/m² when the environment is dialed in.

Indoor Growing Profile: The sativa structure means tall, stretchy plants that need vertical space. One to two plants per 4x4 tent with aggressive training is the standard approach. Veg time should be shorter than you think — 3-4 weeks maximum before flipping. 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, Permafrost Feminized adds 100-200% during the flower stretch. This is the stage that catches growers off guard. If your veg plant is 18 inches tall and you flip to 12/12, plan for a finished height of 3-4.5 feet.

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. Open bud structures are naturally more resistant to mold but not immune.

Comparable strains worth considering: Original Lemon Pie Feminized, Apollo 13 Feminized, Orange Crush Feminized. For growing fundamentals, reference our germination guide and our cold-hardy seeds for Canada.

Post-Harvest Processing of Permafrost Feminized

The work does not end at chop. How you process Permafrost 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: The more open bud structure of this strain handles dry trimming well. Leaving the sugar leaves on during the drying phase protects the trichomes and slows the dry slightly, which preserves more terpenes. 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. Permafrost Feminized benefits from extended curing because the Terpinolene 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 herbal 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 Permafrost Feminized should smell cleanly of herbal and incense 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 Original Lemon Pie Feminized and Apollo 13 Feminized respond to similar curing protocols.

Who Permafrost 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 Permafrost 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 herbal 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: Growers with limited vertical space. The height can be managed, but if you are working in a 4-foot tent, choose a more compact cultivar.

How Permafrost Feminized Compares

Where does Permafrost Feminized sit among sativa 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 — Original Lemon Pie Feminized or Apollo 13 Feminized — share the general sativa profile but differ in specifics. Permafrost Feminized wins on herbal terpene intensity. The Terpinolene-dominant profile creates a flavor that is immediately identifiable, which is not something every strain can claim.

In the photoperiod field, Permafrost 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 mental clarity. Many sativas scatter focus — this one sharpens it.

Effects

🤩Creative
77% of people reported feeling Creative
🤑Energetic
64% of people reported feeling Energetic
🤗Euphoric
60% of people reported feeling Euphoric
😊Happy
51% of people reported feeling Happy
😎Uplifted
45% of people reported feeling Uplifted
🧠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

Anxiety
Anytime
Fatigue
Pain

Strain Type

Indica 30%Sativa 70%

Strain Data Sheet

🧬THC20% - 24% (High)
🌿LineageStrawberry Cough × Tangie
🔬TypeFeminized Sativa
🌡ClimateTemperate, Warm
📅HarvestEarly - Mid October
📏Height4.8 - 7.0 ft | 145 - 210 cm
⚖️YieldHigh
🏠Yield Indoor17.5 oz/ft² | 495 - 640 g/m²
🌳Yield Outdoor19 - 28 oz/plant | 545 - 790 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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Permafrost Feminized
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Permafrost 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
BX2
Generations Worked
3+
Breeding Program
Two-Generation Backcross Program — recurrent-parent fixing
Stabilization Notes — What This Means for Your Grow

The Permafrost hybrid sits in the middle of the modern dispensary lineage. Two backcross generations on top of the original cross have locked haze-character terps and finish-time consistency for the pack.

Breeding Goal

Settle the Permafrost cross into a uniform seed line.

Selection Focus

Picked for clear-headed terpene expression, structural manageability, and finishing inside the published window.

Pollen / Mother Source

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

Last Batch QC Verified
January 10, 2026· 99%+ germination
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