
Willy's Wonder Auto
Grow Willy's Wonder Auto in Ireland. Hybrid genetics testing at 21% THC. Known for creative, energetic, relaxed effects. Ships discreetly nationwide with 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 2026-09-12 on 500 seeds at 21-24°C.
About Willy's Wonder Auto
Everything about Willy's Wonder at harvest follows from one decision, which is when you stop. The figures are 300–500 g/m² indoors and 350–550 g/plant outdoors, with resin filling towards 21% THC. The 65/25 balance gives steady gain with a lift in the closing fortnight. Outdoors, aim to be finished by mid-October rather than hoping for a dry third week of it.
Where the weight is won
Three parts of the 8–10 weeks from seed of bloom account for most of the difference between a good result and an average one on a plant rated 300–500 g/m² indoors and 350–550 g/plant outdoors.
The stretch, days 1-10 after the flip. Canopy height set here decides how evenly light lands for the rest of the run. Around a third is usual. A single pass of training across the tallest shoots keeps the top flat.
Weeks three to five. Caryophyllene production climbs through this stretch and responds to a 6-8°C gap between lights-on and lights-off. Outdoors an Irish September provides that without help; indoors it has to be built, at roughly 25°C by day and 18-20°C at night. Bloom feed goes potassium-forward around EC 1.6-1.8.
The final fortnight. Feeding stops, plain pH-corrected water goes on, and the loupe comes out daily. Ten to fifteen per cent amber sits in the middle of its range. Outdoors, that falls between late September and mid-October, and the forecast gets a say.
Flowering: 8–10 weeks from seed. Indoor yield: 300–500 g/m². Outdoor yield: 350–550 g/plant. Plant height: 100–140 cm. Rated easy difficulty.
Flavour, aroma and effect
Willy's Wonder arrives in order. The first draw at 21% THC gives peppercorn heat that lands at the back of the throat. The creative, energetic, relaxed 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. The three shift relative to each other across the cure. Straight off the dry the caryophyllene dominates; three or four weeks sealed in glass at 16-18°C and the myrcene underneath comes up to meet it. Vaporising between 180°C and 195°C catches the widest span, because heat takes the lighter myrcene molecules first.
Who it suits
Who does well with Willy's Wonder? 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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Willy's Wonder 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 Willy's Wonder to lock the autoflower trait. Auto trigger reliability and cross-derived trait balance expression both run uniform across the population — no rogue photoperiod plants in the pack.
Reach auto trigger and finish-window uniformity for the Willy's Wonder pack.
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.