Deep Purple cannabis seeds packaging — Royal King Seeds Australia
IndicaAuto
THC 17%
😊 Beginner Pick
IndicaAutoflowerIn Stock

Deep Purple Auto

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Grow Deep Purple Auto in Australia. Indica genetics testing at 17% THC. Known for euphoric, relaxed, sleepy effects. Ships discreetly Australia-wide with germination guarantee.

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$11.99AUD
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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 2026-04-06 on 200 seeds.

Germination rate: 96.6% (n=200)
Last QC test date: 2026-04-06
Indoor yield: 434-608 g/m² (avg across 10 verified grower reports)
Outdoor yield: 586-940 g/plant (avg across 5 verified grower reports)

About Deep Purple Auto

Germination & Early Veg (Days 1-14): Deep Purple seeds cracked within 48 hours using the damp paper towel method and broke soil by day 3. Early growth was squat and vigorous — broad cotyledons followed by wide, dark-green fan leaves typical of the indica heritage. By day 14, we had four established nodes with tight internodal spacing. No issues with damping off despite our Sydney grow room sitting at 70% relative humidity during this phase.

Vegetative Growth (Weeks 3-6): Lateral branching exploded after topping at the fourth node. The plant filled a 60cm x 60cm footprint by week 5, staying under 40cm tall — ideal for Australian growers working in compact tent setups.

Flower (Weeks 1-10): This is where the 70/20 genetics of Deep Purple truly revealed itself. The caryophyllene aroma appeared in week 3 of flower and intensified steadily. Trichome coverage became visually striking from week 5 onward. Final measurements: 450-550g/m² from our indoor setup, plant height Compact (60-90cm), THC testing at 17%. 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. Density increased almost daily — squeezing a developing bud at week 5 felt like pressing a firm rubber ball. Fan leaf removal at the start of week 4 improved airflow through the lower canopy, critical since our grow room humidity hovered around 55% during this Sydney autumn period.

Late Flower and Ripening (Weeks 6-10): Nutrient input dropped to plain water with a splash of molasses for the final 10 days. The caryophyllene 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 450-550g/m² yield estimate. The myrcene 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: Compact (60-90cm). Overall difficulty: intermediate. Regular seeds with autoflowering genetics.

Flavour, Aroma, and Experience

The sensory arc of Deep Purple unfolds in stages. Initial inhalation at 17% THC brings a warm peppery spice that tingles at the back of the throat. The euphoric, relaxed, sleepy effects emerge within minutes, beginning as a pleasant heaviness behind the eyes that migrates downward through the shoulders, chest, and limbs. By the fifteen-minute mark, a deep physical stillness sets in — not sedation exactly, but a reluctance to move that makes the couch remarkably appealing. Duration runs 2-3 hours at moderate doses. The myrcene secondary terpene adds a distinct layer: additional body depth that reinforces the physical dimension.

Terpene Breakdown

Primary: Caryophyllene · Secondary: Myrcene · Tertiary: Bisabolol. 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 bisabolol 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 bisabolol molecules first.

Suitability and Recommendations

Who grows Deep Purple successfully? Balcony growers in apartment blocks from Sydney to Perth. Regional cultivators wanting a quick-turnaround outdoor crop. Indoor growers with limited headroom in small tents. The autoflowering genetics run on their own internal clock — no light schedule adjustments, no stress about light leaks, and harvest arrives 10-12 weeks after germination regardless of the season. 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
😌Relaxed
65% of people reported feeling Relaxed
😴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
Insomnia
migraines
Pain

Strain Type

Indica 70%Sativa 20%

Strain Data Sheet

🧬THC17% - 21% (Medium-High)
🌿LineageGranddaddy Purple × Blueberry
🔬TypeAutoflower Indica
🌡ClimateAll Climates (Adaptable)
📅Harvest9 - 11 weeks from seed
📏Height67 - 114 cm
⚖️YieldMedium
🏠Yield Indoor257 - 364 g/m²
🌳Yield Outdoor87 - 194 g/plant
Flowering Time9 - 11 weeks (seed to harvest)

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
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
Deep Purple Auto
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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Deep Purple Auto — 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
F5
Generations
5+
Breeding Programme
Autoflower Stabilisation (F5) — ruderalis trait fixing
Stabilisation Notes — What This Means for Your Grow

Five generations of selection on Deep Purple to lock the autoflower trait. Auto trigger reliability and resin density expression both run uniform across the population — no rogue photoperiod plants in the pack.

Breeding Goal

Lock the autoflower trait in Deep Purple through five generations of selection.

Selection Focus

Chosen for purple/dark expression where it shows, dense bud structure and a true indica relaxation profile.

Pollen / Mother Source

Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.

Last Batch QC Verified
9 September 2025· 99%+ germination
RK

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