Painkiller XL cannabis seeds packaging — Royal King Seeds Australia
Sativa
THC 9%
🌙 Sleep Aid
SativaFeminizedIn Stock

Painkiller XL Feminized

S1 FeminizedSee Lab Report →

Order Painkiller XL Feminized seeds online. A quality sativa cultivar at 9% THC delivering euphoric, relaxed, sleepy. Suited to all Australian climate zones. Fast shipping and guaranteed germination.

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$12.99AUD
1
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Royal King Genetics — first-party test batch

Figures below are from our internal seed-lot QC and verified Australian grower submissions, not breeder marketing. Determined from a single batch tested 2026-02-12 on 450 seeds.

Germination rate: 96.1% (n=450)
Last QC test date: 2026-02-12
Indoor yield: 399-516 g/m² (avg across 11 verified grower reports)
Outdoor yield: 545-824 g/plant (avg across 6 verified grower reports)

About Painkiller XL Feminized

Germination & Early Veg (Days 1-14): Painkiller XL seeds cracked within 48 hours using the damp paper towel method and broke soil by day 3. Early growth was rapid and upright — narrow first leaves reaching eagerly towards the light from day one. By the end of week two, five nodes were visible with noticeable spacing between each, signalling the sativa-dominant growth pattern ahead. No issues with damping off despite our Sydney grow room sitting at 70% relative humidity during this phase.

Vegetative Growth (Weeks 3-6): Vertical growth demanded attention. Even with low-stress training started in week 3, this plant wanted to climb. We bent the main stem at a 90-degree angle in week 4 and the secondary branches quickly caught up, creating a naturally flat canopy by week 6.

Flower (Weeks 1-11): This is where the 25/75 genetics of Painkiller XL truly revealed itself. The limonene aroma appeared in week 3 of flower and intensified steadily. Trichome coverage became visually striking from week 5 onward. Final measurements: 300-400g/m² from our indoor setup, plant height Tall (120-150cm), THC testing at 9%. Difficulty rating: intermediate.

Continuing the Grow Diary

Mid-Flower (Weeks 4-6): The transformation accelerated dramatically. Bud sites that were wispy clusters at week 3 swelled into properly defined colas. The elongated bud structure continued developing lengthwise, with fresh calyxes stacking along the main stems. Interestingly, the secondary branches produced proportionally larger buds than expected — the open structure allowed light to reach lower sites that a bushier plant would have shaded out entirely.

Late Flower and Ripening (Weeks 7-11): Nutrient input dropped to plain water with a splash of molasses for the final 10 days. The limonene aroma became powerful enough that carbon filtration was essential — our neighbours would have noticed otherwise. Trichomes progressed from clear to milky across the final fortnight, with amber heads appearing on sugar leaves first. We harvested at roughly 15% amber on the calyxes.

Dry and Cure (Post-Harvest): Whole-plant hang dry in a darkened room at 17°C and 58% humidity for 12 days. Stems snapped cleanly rather than bending, confirming the moisture content was appropriate for jarring. After 4 weeks of glass jar curing with twice-daily burping (first 2 weeks) then daily burping (weeks 3-4), the bouquet fully developed. Final weight confirmed the 300-400g/m² yield estimate. The terpinolene secondary terpene became far more pronounced after curing than it was at harvest — a reminder that the drying and curing process genuinely creates flavour rather than merely preserving it.

Plant height at harvest: Tall (120-150cm). Overall difficulty: intermediate. Feminised seeds.

What to Expect When Using Painkiller XL

Australian users report euphoric, relaxed, sleepy as the defining characteristics, and our experience aligns with that consensus. At 9% THC, this sativa sits in a potency bracket where most users find a productive sweet spot. Vaporised at 175-185°C, the initial effect is a noticeable uplift in mood and mental energy that pairs well with creative projects, bushwalks, or social barbecues. The body remains light and mobile throughout, making this a genuine daytime option for those with THC tolerance. The Limonene/Terpinolene terpene combination imparts a flavour that lingers on the palate — zesty and bright with a clean, refreshing aftertaste.

Ideal settings: creative pursuits, social gatherings, outdoor adventures, and daytime leisure.

Terpene Breakdown

Primary: Limonene · Secondary: Terpinolene · Tertiary: Pinene. This particular terpene trio appears frequently in award-winning cultivars and produces a nose that most Australian growers find immediately appealing when jars are first opened after curing. The limonene dominance anchors the aroma, terpinolene provides mid-range character, and pinene contributes a subtle background note that distinguishes this strain from others sharing the same primary terpene.

Suitability and Recommendations

Painkiller XL suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar — it will not hold your hand, but it will not punish minor mistakes harshly either. Photoperiod genetics give you complete control over plant size and harvest timing — extend the vegetative phase for larger plants or flip early for a quicker turnaround in compact spaces. The Australian growing season (October through April) accommodates the 9-11 weeks bloom period comfortably for outdoor cultivators in all states. Shipped discreetly throughout Australia with our germination guarantee.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
😌Relaxed
65% of people reported feeling Relaxed
😴Sleepy
65% of people reported feeling Sleepy
😊Happy
51% of people reported feeling Happy
🤑Energetic
44% of people reported feeling Energetic
🤩Creative
43% of people reported feeling Creative
😎Uplifted
31% of people reported feeling Uplifted
🧠Focused
28% of people reported feeling Focused
🗣️Talkative
16% of people reported feeling Talkative

Best For

Anxiety
Evening
Insomnia
Pain

Strain Type

Indica 25%Sativa 75%

Strain Data Sheet

🧬THC9% - 12% (Medium)
🌿LineageAmnesia Haze × Super Lemon Haze
🔬TypeFeminized Sativa
🌡ClimateMediterranean, Warm
📅HarvestLate September - Early October
📏Height142 - 194 cm
⚖️YieldMedium - High
🏠Yield Indoor422 - 544 g/m²
🌳Yield Outdoor422 - 594 g/plant
Flowering Time7 - 9 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
Seeds
Premium Genetics
Protective vial
Resealable +
Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers must comply with all applicable Australian Commonwealth, state, and territory legislation.
1
Painkiller XL Feminized
royalkingseeds.au
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Painkiller XL Feminized — Breeder Information

Royal King Genetics

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

Stabilisation Level
BX2
Generations
3+
Breeding Programme
Royal King Genetics Backcross Line — BX2 modern hybrid stabilisation
Stabilisation Notes — What This Means for Your Grow

Backcrossed twice to the dominant parental line. Painkiller XL now expresses haze-character terps consistently across the population — what made the original cross interesting is preserved without the pheno-roulette of an unstabilised F1.

Breeding Goal

Fix parent-cut traits in Painkiller XL without narrowing the population too far.

Selection Focus

Chosen for clear-headed terpene expression, structural manageability and a finish that lands inside the published window.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
5 August 2025· 99%+ germination
RK

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