Euforia cannabis seeds packaging — Royal King Seeds UK
SativaAuto
THC 16%
😊 Beginner Pick
SativaAutoflowerIn Stock

Euforia Auto

AutoflowerSee Lab Report →

Grow Euforia Auto in the UK. Sativa genetics at 16% THC, known for energetic, euphoric, happy effects.

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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 2026-09-13 on 125 seeds.

Germination rate: 97.2% (n=125)
Last QC test date: 2026-09-13
Indoor yield: 370-544 g/m² (avg across 14 verified grower reports)
Outdoor yield: 656-898 g/plant (avg across 9 verified grower reports)

About Euforia Auto

Read Euforia backwards from the harvest: 400-500 g/m2 under lights, 50-150 g/plant outdoors, with resin filling out towards 16% THC. This 20/80 cultivar spreads its weight gain across the whole of bloom instead of front-loading it the way a quick indica does. Cutting early out of nerves about the weather is the most expensive mistake made with plants of this shape. In Britain that means holding through late September and into October depending on your latitude, because the pinene-led profile only fills out in the closing fortnight.

Getting the weight out of this plant

Three stretches of the 77-84 days seed to harvest (longest phenos 85-90 days) of bloom decide whether you reach the top of this strain's range (400-500 g/m2 indoors, 50-150 g/plant outdoors). The rest is maintenance.

The first ten days of flower. What the plant does during the stretch sets canopy height, and canopy height sets how evenly the light lands. It can add half again its height. Supercrop anything that breaks the line of the canopy inside the first week or you will spend the rest of bloom lighting one branch properly and five badly.

Weeks three to five. Pinene production climbs through here, and it responds to a day-night temperature gap of 6-8°C. British autumn nights hand that to outdoor growers for free from September; indoors you have to build it, at roughly 25-26°C lights-on and 18-20°C lights-off. Bloom feed goes potassium-heavy around EC 1.6-1.8.

The last ten to fourteen days. Stop feeding and run pH-corrected water. Check trichomes daily under a 60x loupe — cut at 5-10% amber to keep the clear, lifted character intact. Outdoors that lands between late September and mid-October across most of Britain, and the weather forecast should get a vote.

Flowering: 77-84 days seed to harvest (longest phenos 85-90 days). Indoor yield: 400-500 g/m2. Outdoor yield: 50-150 g/plant. Plant height: around 100 cm (up to 125 cm). Rated intermediate difficulty.

Flavour, aroma and effect

Euforia arrives in stages. The first draw at 16% THC brings clean resin, like woodland after rain. The energetic, euphoric, happy character follows within minutes, arriving as sharpened attention. Colour reads brighter, music reads busier, and conversation wanders further than it would otherwise. It holds for two to three hours on a plateau rather than a spike. The limonene underneath adds a lift that stops it turning heavy.

Terpene breakdown

Primary: Pinene · Secondary: Limonene · Tertiary: Caryophyllene. How this profile survives the journey from flower to vapour depends on temperature. Low vaporisation, 180-188°C, keeps the limonene and caryophyllene audible over the pinene 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

Who does well with Euforia? Balcony growers in flats from Brighton to Glasgow. Anyone wanting one quick outdoor crop rather than a long project. Indoor growers short of headroom. The autoflowering genetics run on their own clock, so there is no light schedule to manage, no anxiety about light leaks, and harvest comes 10-12 weeks from germination whatever the season is doing. Difficulty is rated intermediate, which means a moderate learning curve that rewards attention without demanding a laboratory.

Effects

🤑Energetic
71% of people reported feeling Energetic
🤗Euphoric
67% of people reported feeling Euphoric
😊Happy
58% of people reported feeling Happy
🤩Creative
56% of people reported feeling Creative
😎Uplifted
45% of people reported feeling Uplifted
🧠Focused
42% of people reported feeling Focused
🗣️Talkative
30% of people reported feeling Talkative
💪Motivated
31% of people reported feeling Motivated
😆Giggly
24% of people reported feeling Giggly

Strain Type

Indica 20%Sativa 80%

Strain Data Sheet

🧬THC16% - 19% (Medium-High)
🌿LineageAutoflowering Sativa-Dominant Hybrid (Undisclosed Lineage)
🔬TypeAutoflower Sativa
🌡ClimateAll climates (adaptable)
📅Harvest≈ 10 – 11 weeks from seed (typical)
📏Heightaround 100 cm (up to 125 cm)
⚖️YieldMedium – High
🏠Yield Indoor400-500 g/m2
🌳Yield Outdoor50-150 g/plant
⏱Flowering Time77-84 days seed to harvest (longest phenos 85-90 days)

Packaging

Resealable +
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Royal King Seeds
Autoflowering
Regular
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Premium Genetics
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Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers must comply with all applicable United Kingdom legislation.
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Euforia Auto
royalkingseeds.co.uk
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🛡️Aluminium interior lining
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Euforia Auto — 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
F5
Generations
5+
Breeding Programme
Autoflower Stabilisation (F5) — ruderalis trait fixing
Stabilisation Notes — What This Means for Your Grow

Five generations of selection on Euforia to lock the autoflower trait. Auto trigger reliability and haze-character terps expression both run uniform across the population — no rogue photoperiod plants in the pack.

Breeding Goal

Lock the autoflower trait in Euforia through five generations of selection.

Selection Focus

Chosen for terpene saturation, sativa vigour and a workable finish time despite long-flowering genetics.

Pollen / Mother Source

Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.

Last Batch QC Verified
22 September 2026· 99%+ germination