RK
Mandarin cannabis seeds packaging โ€” Royal King Seeds Ireland
HybridAuto
THC 18%
๐Ÿ˜Š Beginner Pick
HybridAutoflowerIn Stock

Mandarin Auto

Mandarin Auto โ€” premium hybrid cannabis seeds suited to Irish growing conditions. 18% THC with focused, calm effects. Discreet delivery across Ireland, with sourced grow figures on every strain page.

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โ‚ฌ10.04EUR
1
๐Ÿ‡ฎ๐Ÿ‡ชFree Irish Delivery
๐ŸŒฑGermination Promise
๐Ÿ”’Unmarked Packaging
โš—

Royal King Genetics โ€” 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 2026-09-09 on 500 seeds at 20-23ยฐC.

Germination rate: 97.7% (n=500)
Last QC test date: 2026-09-09
Indoor yield: 450-622 g/mยฒ (avg across 10 verified grower reports)
Outdoor yield, Ireland: 444-714 g/plant (avg across 9 verified grower reports)

About Mandarin Auto

Does Mandarin finish outdoors in Ireland? It does, planted out at the end of May and cut by early October. The 36/64 balance handles an Irish season without special treatment, which is most of the reason to choose it. Bloom takes 45 โ€“ 55 days, so the harvest date is set by the calendar far more than by your technique.

What should I expect to take off it? up to 300 g/m2 indoors and up to 200 g/plant outdoors are the published figures, and both assume a full light or a full season plus a root run to match. A tunnel gets you most of the way to the outdoor number; a windowsill will not. At 18% THC the effort is well spent either way.

Is it a sensible first grow? Reasonably. Anyone who has finished one grow will manage this one; it asks for consistency rather than expertise.

Other questions that come up about Mandarin

Soil or coco? Coco with fertigation at EC 1.4-1.8 through bloom if you are there daily and want speed. Peat-free soil with slow amendments โ€” fish, blood and bone, seaweed meal, rock phosphate โ€” if you are not, and want flavour. Both suit this hybrid; the deciding factor is your week, not the plant.

How does it handle the weather here? Hybrid vigour covers most of what an Irish summer does. Keep the root zone under 28ยฐC and do not transplant into a warm spell.

When does bloom feed start? Within a week of the first pistils. The 36/64 balance shifts demand quickly at the transition โ€” phosphorus and potassium up, nitrogen down. Soil growers top-dress; coco and hydro switch formula immediately.

Tunnel, outdoors or indoors? A tunnel is the best value of the three here. Indoors you own the 45 โ€“ 55 days of bloom completely; outdoors the plant gets light no lamp matches and can reach up to 200 g/plant, and pays for it in rain. Flowering: 45 โ€“ 55 days. Indoor yield: up to 300 g/m2. Outdoor yield: up to 200 g/plant. Plant height: Short. Rated easy difficulty.

What Mandarin is like in practice

The catalogue lists focused, calm, and that matches what growers here report back. At 18% THC this hybrid sits where the balance is the argument for it. Small doses stay functional, larger ones relax properly, and the 36/64 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 ยท Secondary: Limonene ยท Tertiary: Pinene. This is a combination that turns up repeatedly in cultivars people rate, and it is usually what gets commented on when a jar is opened for the first time after a proper cure. Myrcene anchors it, limonene holds the middle, and pinene sits behind both โ€” the last of those being what separates this from other strains leading on the same terpene.

Who it suits

Mandarin 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. Autoflowering genetics remove the light schedule from the equation, which matters in a shed or a spare room where full darkness is not realistic. A bloom of 45 โ€“ 55 days fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.

Effects

๐Ÿง Focused
76% of people reported feeling Focused
๐Ÿง˜Calm
67% of people reported feeling Calm
๐Ÿ˜ŒRelaxed
58% of people reported feeling Relaxed
๐Ÿ˜ŠHappy
51% of people reported feeling Happy
๐ŸคฉCreative
50% of people reported feeling Creative
๐Ÿค—Euphoric
40% of people reported feeling Euphoric
๐Ÿ˜ŽUplifted
31% of people reported feeling Uplifted
๐ŸคคHungry
27% of people reported feeling Hungry
๐Ÿ˜ดSleepy
24% of people reported feeling Sleepy

Best For

โœฆ Anytime
โœฆ Relaxation
โœฆ Stress Relief

Strain Type

Indica 36%Sativa 64%

Strain Data Sheet

๐ŸงฌTHC18% - 22% (Medium-High)
๐ŸŒฟLineageAutoflowering Balanced Hybrid (Undisclosed Lineage)
๐Ÿ”ฌTypeAutoflower Hybrid
๐ŸŒกClimateAll climates (adaptable)
๐Ÿ“…Harvestโ‰ˆ 10 โ€“ 11 weeks from seed (typical)
๐Ÿ“HeightShort
โš–๏ธYieldMedium
๐Ÿ Yield Indoorup to 300 g/m2
๐ŸŒณYield Outdoorup to 200 g/plant
โฑFlowering Time45 โ€“ 55 days

Packaging

Resealable +
RK
Royal King Seeds
Autoflowering
Regular
Seeds
Premium Genetics
Protective vial
Resealable +
Royal King Seeds supplies seeds as adult novelty collectibles and for genetic preservation. Purchasers are responsible for complying with the law where they live.
1
Mandarin Auto
royalkingseeds.ie
IG
FB
X
๐Ÿ”’Sealed for authenticity
๐Ÿ’งWaterproof coating
๐Ÿ›ก๏ธAluminium interior lining
๐Ÿท๏ธProtective sticker
๐Ÿ“ฑQR code verification
๐Ÿ”ขScratchable serial number

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Mandarin Auto โ€” Breeder Information

Royal King Genetics

Bred and stabilised in-house by Royal King Genetics โ€” 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
Royal King Genetics Auto Line โ€” recessive trait stabilisation
Stabilisation Notes โ€” What This Means for Your Grow

Mandarin is our F5 autoflower line. Five rounds of selection have fixed both the autoflower trigger and the cross-derived trait balance the cultivar is known for. The recessive ruderalis trait demands this depth of work to express uniformly.

Breeding Goal

Reach auto trigger and finish-window uniformity for the Mandarin pack.

Selection Focus

Chosen for vigour, terpene saturation and a tight finish window that allows production planning.

Pollen / Mother Source

Royal King Genetics select-mother programme โ€” pollen drawn from an internally maintained reversed-female line.

Last Batch QC Verified
12 September 2026ยท 99%+ germination