Green Poison cannabis seeds packaging — Royal King Seeds Canada
Indica
THC 15%%
Top Rated
IndicaFeminizedIn Stock

Green Poison Feminized

S1 FeminizedSee Lab Report →

Mellow feminized indica with euphoric and creative effects and tight node spacing. Ideal for beginner growers seeking an easy, resilient strain.

Flavor:Earthy pine, sweet berry, subtle hash

Best for:🌙Evening🛋️Relaxation😴Sleep Support
Beginner Friendly
🧬
THC
15%
Flower
9 - 11 weeks
⚖️
Yield
Medium - High
🎯
Difficulty
Beginner
📏
Height
Medium
🌱
Grow
Indoor / Outdoor
💡

Grower tip: Support heavy colas with stakes as they mature

Select Pack Size
$13.99CAD

Premium stabilized genetics · germination guaranteed

Rewards careful growers with medium-high output per plant
Delivers euphoric and creative effects ideal for evening
Robust indica phenotype tolerant of varied conditions

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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 2026-03-24 on 275 seeds.

Germination rate: 97.4% (n=275)
Last QC test date: 2026-03-24
Indoor yield: 459-592 g/m² (avg across 11 verified grower reports)
Outdoor yield: 531-858 g/plant (avg across 6 verified grower reports)

About Green Poison Feminized

There is no shortage of indica seeds in Canada, but Green Poison Feminized earns its spot in the garden through consistent performance rather than hype. The 80/20 indica-sativa split shows up clearly in the structure — compact nodes, broad fan leaves, and dense resin-caked colas.

In our experience, the Euphoric onset arrives within minutes and sets the tone for the entire session. The Myrcene terpene backbone (earthy, musky) gives the smoke a recognizable fingerprint, while secondary Humulene notes add hoppy, woody, herbal complexity that keeps the palate engaged. At 13-17% THC, Green Poison Feminized sits in a range where both seasoned and newer cannabis users can find a comfortable dosage.

Effects & Experience

Start Green Poison Feminized slowly if it is your first time. The Euphoric onset is genuine — within minutes you will feel the indica genetics making their case. The 80% indica lineage brings a physical gravity that pulls tension out of the shoulders, jaw, and lower back. The 20% sativa heritage adds enough headspace that you do not feel locked down or foggy.

The mid-session peak is where Green Poison Feminized is at its best. The Creative quality integrates fully with the Euphoric foundation, creating a state that users consistently describe as deeply comfortable without being unconscious — the sweet spot between relaxation and sleep.

Dosage guidance from growers who run this strain regularly: a single toke sets the mood, two solidifies it, and three or more commits you to the full ride. The THC content (13-17%) means this is not a strain where you can over-consume and shrug it off. Respect the potency and you will be rewarded with one of the cleaner indica experiences available.

Practical applications: Evening, Relaxation, Sleep Support. The undefined tail-end of the session fades naturally over 90-120 minutes, leaving no harsh comedown or rebound anxiety. Growers who time their harvest right (cloudy trichomes with 20-30% amber) will see this effect profile expressed most clearly.

Flavor & Terpene Profile

Pull a bud of Green Poison Feminized from the jar and give it a squeeze. The herbal scent that releases is the first chapter of a story the terpenes have been writing since mid-flower. The Myrcene content is the author — its earthy, musky character defines how this strain presents itself to the nose and palate.

The smoking experience plays out in a predictable but enjoyable arc. The inhale brings clean herbal flavor with just enough density to feel substantial. The mid-draw introduces pine as a harmonic — not replacing the primary note, but enriching it. The exhale pulls woody into focus and leaves an aftertaste that herbal fans will appreciate.

Temperature sensitivity is real with this cultivar. The Myrcene and Humulene terpenes have different boiling points, and how you consume Green Poison Feminized determines which flavors you taste most prominently. Vaporizer users at 340°F get a bright, earthy, musky-forward experience. At 370°F, the hoppy, woody, herbal notes from Humulene join the party. Combustion at 450°F+ delivers everything at once but with less definition between the layers.

The practical takeaway: Green Poison Feminized's terpene profile is a genuine asset, not a marketing afterthought. The Myrcene contributes sedating and physically relaxing properties that align with and amplify the strain's Euphoric character. Humulene adds appetite-suppressing and grounding modulation that makes the overall experience more nuanced. Together, they create an entourage effect that explains why this indica feels different from other varieties at the same THC percentage.

Growers should prioritize the dry and cure for maximum flavor expression. A slow dry at 60°F with 55-60% humidity followed by at least three weeks of jar curing at 62% humidity is the minimum for Green Poison Feminized to show what it can do. Shortcuts here cost you the very thing that makes this strain worth growing.

Growing Green Poison Feminized in Canada

Here is what you need to know before popping Green Poison Feminized seeds. This intermediate-level autoflower runs 70-85 days from seed to harvest, reaches 80-120cm indoors, and yields 400-550g/m² with competent care. Those are the numbers. Here is the context.

Starting the Grow: Germinate using the paper towel method or directly in a starter plug. Green Poison Feminized seeds typically crack within 48-72 hours at 75-80°F and high humidity. Transplant seedlings into their final container by day 10-14 — autoflowers do not respond well to transplant shock, so starting in the final pot (3-5 gallon) from germination is the safest approach. Check our germination guide for step-by-step technique.

Indoor Environment: Target 75-80°F during lights-on and 65-70°F during lights-off. Humidity should follow the growth stage: 65-70% during seedling, 50-60% during veg, and 40-50% during flower. This strain develops dense buds that trap moisture — dropping humidity to 40% during the last two weeks of flower reduces botrytis risk significantly.

Outdoor Timing for Canadian Provinces: - British Columbia: Start outdoor transplant mid-May. Harvest by August. - Ontario: Last frost typically mid-May. Same transplant timing. Harvest July-August. - Alberta/Prairies: Shorter season — autoflowers are ideal here, starting outdoors in early June and finishing by late August. - Maritimes: High humidity regions — extra airflow and wider plant spacing are essential to prevent mold.

Training and Canopy Management: Low-stress training (LST) only — avoid topping or FIMing autoflowers as the recovery time eats into the fixed lifecycle. Gently bend the main stem at day 20-25 and tie down branches as they grow to create an even canopy.

Yield Optimization: To push Green Poison Feminized toward the upper end of the 400-550g/m² range indoors, maintain consistent PPFD above 600 during flower, supplement with CO2 if your setup allows, and extend the dark period to 48 hours before harvest. Outdoor yields of 450-650g/plant require full sun, consistent feeding through mid-flower, and protection from September rain.

Mistakes to Avoid: Under-feeding during the calyx swell phase (weeks 5-7 of flower) limits final bud density. Do not reduce nutrients too early — maintain bloom feeding until the final 10-14 day flush. Explore our feminized cannabis seeds collection for similar genetics that share these growing characteristics.

Maximizing Green Poison Feminized in Your Garden

Getting the most out of Green Poison 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 and finish in the same container — 3-5 gallon fabric pots are the sweet spot for autoflowers. Going larger does not proportionally increase yield with autos, but going smaller definitely limits root development and final plant size. 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 Green Poison 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 Green Poison 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 Green Poison Feminized: LST only. Bend the main stem at day 18-22, tie branches as they grow, and leave the plant alone after week 3 of flower. Autoflowers do not recover from high-stress training fast enough to justify the risk. Similar training approaches work for Middlefork Feminized. Browse our autoflowering seeds for more genetics suited to these techniques.

Who Green Poison Feminized Is For

Know your goals before buying seeds, and Green Poison Feminized will either fit or it won't. This strain is designed for Euphoric and Evening / Relaxation. If those are priorities, proceed with confidence.

Grower fit: Best for growers with at least one successful harvest behind them. Not demanding, but it responds to skilled growing with noticeably better results. The autoflower lifecycle removes one of the most common beginner errors — light schedule management.

Consumer fit: The 80/20 split targets evening and nighttime use. If you are consuming cannabis primarily for relaxation, sleep, or physical comfort, this strain aligns with those goals. THC at 13-17% means most consumers can find a comfortable dose with reasonable trial.

Not the right fit for: Productivity-focused consumers. Growers in cramped spaces who still want big sativa yields.

How Green Poison Feminized Compares

Honest positioning of Green Poison Feminized in the indica landscape: there are strains with higher THC, strains with bigger yields, and strains with louder flavors. What Green Poison Feminized does better than most is bring all three together in a package that actually performs in the garden without drama.

Side-by-side with comparable genetics (Middlefork Feminized, Grape OX Feminized, Purple Alien OG Feminized), the differences come down to emphasis. Green Poison Feminized prioritizes herbal terpene expression and Euphoric effect consistency. Competitors in this space tend to chase either potency or yield at the expense of flavor, and the smoke shows it.

Key comparison points: - THC: 13-17% puts Green Poison Feminized on the moderate end, which many growers prefer for daily-use flower - Yield: 400-550g/m² indoors is in line with category expectations - Difficulty: intermediate — comparable to peers - Flavor: Distinctive herbal character that separates it from the generic terpene profiles many competitors offer

As an autoflower, the main comparison point is lifecycle speed versus photoperiod alternatives. The answer depends on your priorities: choose auto for speed and simplicity, choose photo for maximum yield and potency ceiling.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🤩Creative
70% of people reported feeling Creative
😌Relaxed
58% of people reported feeling Relaxed
😴Sleepy
58% of people reported feeling Sleepy
😊Happy
45% of people reported feeling Happy
🤤Hungry
41% of people reported feeling Hungry
🧘Calm
33% of people reported feeling Calm
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Best For

Evening
Relaxation
Sleep Support

Strain Type

Indica 80%Sativa 20%

Strain Data Sheet

🧬THC15% - 20% (Medium-High)
🌿LineageMaster Kush × Grape Ape
🔬TypeFeminized Indica
🌡ClimateAll Climates (Hardy)
📅HarvestMid - Late October
📏Height2.4 - 3.8 ft | 72 - 114 cm
⚖️YieldMedium - High
🏠Yield Indoor14.5 oz/ft² | 412 - 524 g/m²
🌳Yield Outdoor18 - 24 oz/plant | 512 - 674 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 Canada under the Cannabis Act (2018). Customers are responsible for understanding local laws.
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Green Poison Feminized
royalkingseeds.ca
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Green Poison 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
F4
Generations Worked
4+
Breeding Program
Royal King Genetics Filial Program — four-generation pheno fixing
Stabilization Notes — What This Means for Your Grow

A 2010s production cross stabilized over four generations of selection. Green Poison grows true-to-type and carries the indica relaxation profile that defines the cultivar.

Breeding Goal

Move Green Poison from F1 cross to F4 production-ready seed stock.

Selection Focus

Picked for resin density, indica-leaning structure, and tight internodes that suit indoor production.

Pollen / Mother Source

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

Last Batch QC Verified
October 23, 2025· 99%+ germination
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