
Bubba Tom Hayes Feminised
Order Bubba Tom Hayes Feminised seeds online in Ireland. A quality hybrid cultivar at 25% THC delivering creative, focused, calm. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.
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 2026-09-15 on 425 seeds at 20-23°C.
About Bubba Tom Hayes Feminised
Everything about Bubba Tom Hayes at harvest follows from one decision, which is when you stop. The figures are 350 gr/m² indoors and 420 grams outdoors, with resin filling towards 25% THC. The 38/62 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 around 10 weeks (indoor) of bloom account for most of the difference between a good result and an average one on a plant rated 350 gr/m² indoors and 420 grams 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. Myrcene 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: around 10 weeks (indoor). Indoor yield: 350 gr/m². Outdoor yield: 420 grams. Plant height: 90-120 cm. Medium. Rated beginner to intermediate difficulty.
What Bubba Tom Hayes is like in practice
The catalogue lists creative, focused, calm, and that matches what growers here report back. At 25% THC this hybrid sits where the balance is the argument for it. Small doses stay functional, larger ones relax properly, and the 38/62 split means the direction is set by the amount rather than fixed by the plant. The Myrcene and Limonene together leave earth and faint sweetness, with fruit at the end.
Suited to most occasions, with the dose doing the steering.
Terpene breakdown
Primary: Myrcene · Secondary: Limonene · Tertiary: Pinene. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps limonene and pinene audible over the myrcene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.
Who it suits
Bubba Tom Hayes suits growers with the fundamentals in place. Understand pH, rough nutrient ratios and a light cycle before committing to it; it asks for competence rather than expertise. Photoperiod genetics leave plant size and harvest date under your control — veg longer for a bigger plant, or flip early when the ceiling is low. A bloom of around 10 weeks (indoor) fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.
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Bubba Tom Hayes Feminised — 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.
Backcrossed twice to the dominant parental line. Bubba Tom Hayes now expresses terpene fidelity consistently across the population — what made the original cross interesting is preserved without the pheno-roulette of an unstabilised F1.
Stabilise the Bubba Tom Hayes cross into a seed-uniform line.
Chosen for trichome density, bud structure and the hybrid trait balance the cross was engineered for.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.