
Cherry Diesel Auto
Cherry Diesel Auto seeds. A hybrid cultivar at 17% THC delivering creative, euphoric, relaxed. Grow figures from named sources.
Royal King Genetics — first-party test batch
Figures below are from our internal seed-lot QC and verified UK grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-02 on 475 seeds.
About Cherry Diesel Auto
Germination and early veg, days 1-14. Cherry Diesel seeds generally crack inside 48 hours on damp kitchen roll and break the surface around day three. Early growth came in even and unhurried, neither racing nor sulking. Four solid nodes by day 14 with the spacing that hints at the hybrid frame to come. Damping off is rare around 70% relative humidity, which is also roughly what an unheated British room sits at in spring.
Veg, weeks 3-6. It took a simple top-and-tie approach well. Topping at node four gave six strong leaders, tied down gently, and an even canopy across a 70cm square by the flip.
Bloom, weeks 1-9. This is where the 50/50 balance in Cherry Diesel showed itself. The myrcene came up in week three and kept building; trichome cover was obvious to the naked eye from week five. Indoor yield: up to 300 g/m2. THC testing at 17%. Rated intermediate.
The rest of the diary
Mid-bloom, weeks 4-6. The change came quickly. Sites that were loose and wispy at week three closed into defined colas. Development stayed even across the whole canopy, which is what the veg training bought — eight comparable colas instead of one dominant top and a handful of also-rans. Resin was visible to the naked eye from week four.
Ripening, weeks 7-9. Feeding dropped to plain water for the last ten days. The myrcene got strong enough that carbon filtration stopped being optional in a terraced house. Trichomes ran clear to milky across the final fortnight, amber showing on sugar leaves first. Around 15% amber on the calyxes is a common place to stop.
Drying and curing. Whole plant hung in the dark at 17°C and 58% humidity for twelve days — both numbers held by a dehumidifier, because an October room in this country will not hold either on its own. Stems snapped rather than bent, which is the test worth trusting. Four weeks in glass followed, burped twice daily for the first fortnight and once daily after. Final weight matched the up to 300 g/m2 figure. The limonene was far more present after the cure than at harvest, which is the argument for curing properly: the process makes flavour rather than merely keeping it.
Flowering: 55-65 days. Indoor yield: up to 300 g/m2. Outdoor yield: up to 250 g/plant. Rated intermediate difficulty. Regular seeds with autoflowering genetics.
What Cherry Diesel is actually like
Growers report creative, euphoric, relaxed as the defining characteristics and our own notes agree. At 17% THC this hybrid sits where the balance is the selling point. Taken small it stays functional; taken larger it relaxes properly. The ${indica}/${sativa} split means the direction is set by how much you take rather than fixed by the genetics. The Myrcene/Limonene pairing leaves earth and faint sweetness on the palate, with fruit at the end.
Best suited to most occasions — the dose does the steering.
Terpene breakdown
Primary: Myrcene · Secondary: Limonene · Tertiary: Pinene. How this profile survives the journey from flower to vapour depends on temperature. Low vaporisation, 180-188°C, keeps the limonene and pinene audible over the myrcene base. Run it hotter, or burn it, and the three collapse into one note — pleasant enough, but none of the complexity that made it worth choosing.
Who it suits
Cherry Diesel suits growers with the basics in place. Understand pH, rough nutrient ratios and light cycles before you commit to it; it asks for competence rather than expertise. Autoflowering genetics take the light cycle out of the equation, which suits balcony growers, anyone working around British daylight hours, and anyone who wants the whole thing over quickly. The April to October season accommodates a bloom of 55-65 days comfortably for outdoor growers across the country.
Effects
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Strain Data Sheet
Packaging
Regular
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Cherry Diesel Auto — Breeder Information
Royal King GeneticsBred 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.
Five generations of selection on Cherry Diesel to lock the autoflower trait. Auto trigger reliability and flavour saturation expression both run uniform across the population — no rogue photoperiod plants in the pack.
Reach auto trigger and finish-window uniformity for the Cherry Diesel pack.
Chosen for vigour, terpene saturation and a tight finish window that allows production planning.
Royal King Genetics select-mother programme — pollen drawn from an internally maintained reversed-female line.