
Sweet Tooth Auto
Sweet Tooth Auto cannabis seeds for Irish growers. Hybrid strain · 20% THC · uplifted, calm. Discreet packaging, nationwide delivery, sourced grow figures.
Royal King Genetics — first-party test batch
Figures below are from our internal seed-lot QC and verified Irish grower submissions, not breeder marketing. Determined from a single batch tested 2026-09-22 on 175 seeds at 21-24°C.
About Sweet Tooth Auto
Sweet Tooth carries caryophyllene as its lead note: peppercorn and warm timber, dry rather than sweet, catching slightly at the back of the throat. Limonene sits beneath it and shows up second, sharp enough to stop the whole thing turning heavy. The plant tests at 20% THC across a 36/64 split, though what decides whether any of this reaches the jar is the cure, not the seed.
Growing it for aroma
Growing Sweet Tooth for terpene expression and growing it for weight are not the same project, and it is worth deciding which one you are on. The Caryophyllene/Limonene/Myrcene profile does its best work in living soil, where the biology produces compounds a bottle does not contain. Good peat-free compost and worm castings are available in any garden centre here, which makes that approach far less specialist than it sounds.
Stop foliar spraying after the second week of bloom. Anything that lands on a developing trichome is still there at harvest and is tasted rather than seen. In the last three weeks the night temperature decides which terpenes lead: held at 16-18°C the caryophyllene comes forward, while a warmer finish protects the lighter myrcene notes.
Then the cure, which is where Irish growers lose most of what they built. A ten to fourteen day hang wants 17°C and something near 58% humidity, and the ambient air here will not supply either for most of the year — a closed room and a small dehumidifier will. Into glass afterwards, burped twice daily for a fortnight. The limonene layer arrives somewhere in weeks three and four, not before.
Flowering: 75-80 days (seed to harvest). Indoor yield: 600 gr/m2. Outdoor yield: up to 200 g/plant. Plant height: 70cm. Rated easy difficulty.
Flavour, aroma and effect
Sweet Tooth arrives in order. The first draw at 20% THC gives peppercorn heat that lands at the back of the throat. The uplifted, calm character follows in minutes, as head and body together. Thinking stays clear while the muscles let go by degrees, which is what makes the dose, rather than the genetics, the thing that decides the evening. Limonene underneath contributes a lift that stops it going heavy.
Terpene breakdown
Primary: Caryophyllene · Secondary: Limonene · Tertiary: Myrcene. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps limonene and myrcene audible over the caryophyllene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.
Who it suits
Who does well with Sweet Tooth? Back-garden and balcony growers in Dublin, Cork and Galway. Anyone who wants a crop dry and put away before the autumn closes in. Indoor growers short of headroom. The autoflowering genetics run to their own clock, so there is no schedule to manage and no anxiety about light leaks. Rated easy, which means a moderate learning curve that rewards attention without needing specialist kit.
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Sweet Tooth 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 Sweet Tooth to lock the autoflower trait. Auto trigger reliability and terpene fidelity expression both run uniform across the population — no rogue photoperiod plants in the pack.
Lock the autoflower trait in Sweet Tooth through five generations of selection.
Chosen for hybrid frame, clean terpene expression and consistent yield across the population.
Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.