Big Devil cannabis seeds packaging — Royal King Seeds Australia
Hybrid
THC 18%
🎨 Creative
HybridFeminizedIn Stock

Big Devil Feminized

S1 FeminizedSee Lab Report →

Big Devil Feminized cannabis seeds for Australian growers. Hybrid strain · 18% THC · euphoric, creative, energetic. Discreet packaging, Australia-wide delivery, germination guarantee.

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$14.99AUD
1
🇦🇺Free AU Delivery
🌱Germination Promise
🔒Unmarked Packaging

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 2026-04-10 on 475 seeds.

Germination rate: 97.2% (n=475)
Last QC test date: 2026-04-10
Indoor yield: 434-548 g/m² (avg across 6 verified grower reports)
Outdoor yield: 520-710 g/plant (avg across 9 verified grower reports)

About Big Devil Feminized

Here is what Big Devil actually delivers at harvest: 400-500g/m² per square metre indoors, 400-600g/plant per plant outdoors in Australian conditions, with resin production peaking at 18% THC across tested samples. Those numbers tell a story when you work backwards through the 9-11 weeks flowering window. Weight distribution across the 9-11 weeks bloom cycle is pleasingly even, with a noticeable surge in the closing two weeks that rewards growers who resist harvesting prematurely. The 44/56 balance means you get both calyx stacking density and respectable trichome spread. For outdoor Australians, the ideal harvest window lands between mid-March and mid-April — early enough to dodge late-autumn moisture in most states, late enough to capture the full caryophyllene terpene development.

Maximising Your Harvest

To reach the upper end of yield potential (400-500g/m² indoors, 400-600g/plant outdoors), focus your efforts on three critical windows during the 9-11 weeks flowering period.

Window 1: The first 10 days after flowering begins. Stretch management determines canopy uniformity, which directly impacts light distribution and final yield. Moderate 30-40% stretch is typical. One round of low-stress training on the tallest shoots keeps everything level.

Window 2: Weeks 3-5 of bloom. Caryophyllene terpene biosynthesis ramps up during this period. Maintain a day/night temperature differential of at least 6-8°C to encourage terpene accumulation — Australian autumn evenings (March-April) naturally provide this swing for outdoor growers. Indoor cultivators should target 25-26°C during lights-on and 18-20°C during lights-off. Supplement with potassium-heavy bloom nutrients at EC 1.6-1.8.

Window 3: Final 10-14 days before harvest. Cease all nutrient input and flush with pH-adjusted water. Monitor trichomes daily with a 60x jeweller's loupe — harvest at 10-15% amber for a balanced effect. Southern Hemisphere outdoor growers: this window typically falls in late March through mid-April.

Plant height: Short-Medium (60-105cm). Difficulty: intermediate.

Flavour, Aroma, and Experience

The sensory arc of Big Devil unfolds in stages. Initial inhalation at 18% THC brings a warm peppery spice that tingles at the back of the throat. The euphoric, creative, energetic, calm effects emerge within minutes, presenting as a simultaneous head-and-body experience. Mental clarity remains intact whilst the muscles release tension progressively. This dual action makes it adaptable — a lighter dose suits afternoon tasks, a heavier dose transitions seamlessly into evening relaxation. The limonene secondary terpene adds a distinct layer: a mood-elevating brightness that counterbalances any heaviness.

Terpene Breakdown

Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. Together these three compounds construct an aromatic signature that evolves throughout the curing process. Freshly dried flower leads with caryophyllene presence, but after three to four weeks in sealed glass jars at 16-18°C, the myrcene undertone strengthens and the overall bouquet develops a layered complexity. Vaporisation between 180°C and 195°C captures the broadest spectrum of these terpenes — higher temperatures degrade the more volatile myrcene molecules first.

Suitability and Recommendations

Who grows Big Devil successfully? Indoor growers seeking full control over their harvest timeline. Outdoor cultivators who want to decide exactly when flowering begins. Anyone with the space and patience to vegetate this plant to its full potential before triggering bloom. Difficulty is rated intermediate, meaning a moderate learning curve that rewards attention without demanding laboratory-grade conditions. Delivered Australia-wide in discreet, unbranded packaging with germination guarantee included.

Effects

🤗Euphoric
74% of people reported feeling Euphoric
🤩Creative
70% of people reported feeling Creative
🤑Energetic
57% of people reported feeling Energetic
🧘Calm
53% of people reported feeling Calm
😌Relaxed
45% of people reported feeling Relaxed
😊Happy
38% of people reported feeling Happy
😎Uplifted
31% of people reported feeling Uplifted
🤤Hungry
27% of people reported feeling Hungry
😴Sleepy
24% of people reported feeling Sleepy

Best For

Anytime
Relaxation
Stress Relief

Strain Type

Indica 44%Sativa 56%

Strain Data Sheet

🧬THC18% - 23% (Medium-High)
🌿LineageSunset Sherbet × Gorilla Glue
🔬TypeFeminized Hybrid
🌡ClimateMediterranean, Temperate
📅HarvestMid - Late October
📏Height91 - 142 cm
⚖️YieldHigh
🏠Yield Indoor481 - 662 g/m²
🌳Yield Outdoor481 - 712 g/plant
Flowering Time9 - 11 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
Big Devil Feminized
royalkingseeds.au
IG
FB
X
🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Big Devil 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
Two-Generation Backcross Programme — recurrent-parent fixing
Stabilisation Notes — What This Means for Your Grow

Big Devil carries clone-derived parents from the late-2010s. We backcrossed twice to the dominant parent (BX2) to weld cut-specific traits into seed-stable form. Vigour and pack-to-pack uniformity run uniform across the population.

Breeding Goal

Carry a clone-derived late-2010s hybrid through to a stable seed pack.

Selection Focus

Chosen for terpene profile, vigour, structure and finish-time consistency.

Pollen / Mother Source

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

Last Batch QC Verified
25 July 2025· 99%+ germination
RK

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