Mango Haze cannabis seeds packaging — Royal King Seeds Ireland
Hybrid
THC 21%
🎨 Creative
HybridFeminisedIn Stock

Mango Haze Feminised

Grow Mango Haze Feminised in Ireland. Hybrid genetics testing at 21% THC. Known for happy, relaxed, uplifted effects. Ships discreetly nationwide with sourced grow figures.

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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 2026-09-20 on 375 seeds at 21-24°C.

Germination rate: 97.3% (n=375)
Last QC test date: 2026-09-20
Indoor yield: 453-632 g/m² (avg across 13 verified grower reports)
Outdoor yield, Ireland: 533-798 g/plant (avg across 4 verified grower reports)

About Mango Haze Feminised

Mango Haze 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 21% THC across a 40/60 split, though what decides whether any of this reaches the jar is the cure, not the seed.

Growing it for aroma

Growing Mango Haze 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: 8-11 weeks. Indoor yield: 450-550 g/m2. Outdoor yield: Up to 650 gr. Plant height: Medium. Rated difficult difficulty.

Flavour, aroma and effect

Mango Haze arrives in order. The first draw at 21% THC gives peppercorn heat that lands at the back of the throat. The happy, relaxed, uplifted 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 Mango Haze? Indoor growers who want to choose their own timeline. Tunnel growers who want to decide when flowering starts rather than letting August decide it. Anyone with the space to veg it properly first. Rated difficult, which means a moderate learning curve that rewards attention without needing specialist kit.

Effects

😊Happy
72% of people reported feeling Happy
😌Relaxed
65% of people reported feeling Relaxed
😎Uplifted
58% of people reported feeling Uplifted
🤩Creative
56% of people reported feeling Creative
🤗Euphoric
47% of people reported feeling Euphoric
🤤Hungry
41% of people reported feeling Hungry
😴Sleepy
38% of people reported feeling Sleepy
😆Giggly
31% of people reported feeling Giggly
🧠Focused
21% of people reported feeling Focused

Best For

✦ Anytime
✦ Depression
✦ Pain
✦ Stress

Strain Type

Indica 40%Sativa 60%

Strain Data Sheet

🧬THC21% - 26% (High)
🌿LineageNorthern Lights #5 × Haze × Skunk #1
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestSept – Nov, S. hemisphere (typical)
📏HeightMedium
⚖️YieldHigh
🏠Yield Indoor450-550 g/m2
🌳Yield OutdoorUp to 650 gr
⏱Flowering Time8-11 weeks

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminised Premium
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.
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Mango Haze Feminised
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
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🔢Scratchable serial number

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Mango Haze Feminised — 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 IBL
Generations
5+
Breeding Programme
Royal King Genetics IBL — heritage cultivar restabilisation
Stabilisation Notes — What This Means for Your Grow

A heritage cultivar that we have taken through five rounds of inbred selection. The 1990s heritage reference profile — terpene fingerprint, finishing window, plant frame — has been welded into the population. Every seed in the pack carries the trait set that put Mango Haze on the map.

Breeding Goal

Pin down the original 1990s heritage terpene profile in modern seed form.

Selection Focus

Chosen for hybrid frame, clean terpene expression and consistent yield across the population.

Pollen / Mother Source

Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.

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