Lemon Diesel cannabis seeds packaging — Royal King Seeds Australia
Indica
THC 21%
🎨 Creative
IndicaFeminizedIn Stock

Lemon Diesel Feminized

S1 FeminizedSee Lab Report →

Order Lemon Diesel Feminized seeds online. A quality indica cultivar at 21% THC delivering relaxed, talkative, uplifted. Suited to all Australian climate zones. Fast shipping and guaranteed germination.

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$15.99AUD
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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 2026-04-11 on 400 seeds.

Germination rate: 96.3% (n=400)
Last QC test date: 2026-04-11
Indoor yield: 493-650 g/m² (avg across 9 verified grower reports)
Outdoor yield: 485-762 g/plant (avg across 8 verified grower reports)

About Lemon Diesel Feminized

Here is what Lemon Diesel actually delivers at harvest: 350-450g/m² per square metre indoors, 500-700g/plant per plant outdoors in Australian conditions, with resin production peaking at 21% THC across tested samples. Those numbers tell a story when you work backwards through the 9-11 weeks flowering window. The bulk of your final weight accumulates during weeks 5 through 8 — a period where the 90/10 genetics stack calyxes rapidly and trichome coverage shifts from scattered to frosted. Southern Hemisphere outdoor growers targeting a late-March harvest should calculate their flip date (or natural light trigger) accordingly, aiming for buds to enter this critical fattening stage during February when Australian daylight hours are still generous.

Maximising Your Harvest

To reach the upper end of yield potential (350-450g/m² indoors, 500-700g/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. Expect modest stretch of 20-30% — a quick defoliation of lower fan leaves at day 7 redirects energy to developing bud sites.

Window 2: Weeks 3-5 of bloom. Myrcene 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 15-20% amber for the full-bodied effect this genetics is known for. Southern Hemisphere outdoor growers: this window typically falls in late March through mid-April.

Plant height: Tall (120-150cm). Difficulty: intermediate.

What to Expect When Using Lemon Diesel

Australian users report relaxed, talkative, uplifted as the defining characteristics, and our experience aligns with that consensus. At 21% THC, this indica sits in a potency bracket where dosage control genuinely matters. A single bowl in a vaporiser at 185°C produces a manageable, pleasant body relaxation with intact mental function — perfect for winding down after a long day in the Australian sun. Increasing the dose shifts the experience firmly towards physical sedation, and many users find this their preferred nighttime cultivar during the cooler months. The Myrcene/Humulene terpene combination imparts a flavour that lingers on the palate — earthy and slightly sweet with a fruit-like finish.

Ideal settings: quiet evenings, film nights, post-exercise recovery, and sleep preparation.

Terpene Breakdown

Primary: Myrcene · Secondary: Humulene · Tertiary: Linalool. Flavour translation from flower to vapour and smoke differs with this terpene combination. Low-temperature vaporisation (180-188°C) highlights the humulene and linalool notes whilst keeping myrcene as a foundation. Higher temperatures or combustion flatten the profile into a single-note experience — still pleasant, but lacking the complexity that makes this cultivar genuinely interesting to those who appreciate flavour.

Suitability and Recommendations

Lemon Diesel 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

😌Relaxed
72% of people reported feeling Relaxed
🗣️Talkative
64% of people reported feeling Talkative
😎Uplifted
58% of people reported feeling Uplifted
😴Sleepy
58% of people reported feeling Sleepy
😊Happy
45% of people reported feeling Happy
🤤Hungry
41% of people reported feeling Hungry
🤗Euphoric
33% of people reported feeling Euphoric
🧘Calm
26% of people reported feeling Calm
🌿Stress Relief
13% of people reported feeling Stress Relief

Best For

Anytime
Insomnia
Pain
Stress

Strain Type

Indica 90%Sativa 10%

Strain Data Sheet

🧬THC21% - 26% (High)
🌿LineageBlueberry × Master Kush
🔬TypeFeminized Indica
🌡ClimateAll Climates (Hardy)
📅HarvestMid - Late October
📏Height96 - 162 cm
⚖️YieldHigh
🏠Yield Indoor466 - 632 g/m²
🌳Yield Outdoor466 - 682 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.
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Lemon Diesel 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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Lemon Diesel 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
F3
Generations
3+
Breeding Programme
F3 Refinement Programme — three-generation selection
Stabilisation Notes — What This Means for Your Grow

A newer modern hybrid cross still being actively stabilised. F3 means three rounds of selection — the dense flower architecture is locked across the bulk of the pack, with a small variant subset under continued cull.

Breeding Goal

Reach trait homogeneity in Lemon Diesel through advanced filial refinement.

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

Last Batch QC Verified
28 April 2026· 99%+ germination
RK

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