Mazar x Blueberry cannabis seeds packaging — Royal King Seeds UK
HybridAuto
THC 20%
😊 Beginner Pick
HybridAutoflowerIn Stock

Mazar x Blueberry Auto

AutoflowerSee Lab Report →

Grow Mazar x Blueberry Auto in the UK. Hybrid genetics at 20% THC, known for euphoric, calm 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 2026-09-20 on 200 seeds.

Germination rate: 97.2% (n=200)
Last QC test date: 2026-09-20
Indoor yield: 442-608 g/m² (avg across 10 verified grower reports)
Outdoor yield: 484-734 g/plant (avg across 9 verified grower reports)

About Mazar x Blueberry Auto

Will Mazar x Blueberry finish outdoors in Britain? Yes, within the April to October season. The balanced genetics cope with what British weather does from one week to the next, from damp air on the west coast to the drier run of counties in the east. Flowering runs approximately 75 days (seed to harvest); 90-100 days outdoors, which puts harvest in September or October for most of the country.

What yield is realistic? 450-500 g/m2 indoors is achievable with competent LED lighting and attention to feeding. Outdoors, >100 g/plant is realistic in 50 litre pots or in prepared ground with full sun — and "full sun" is doing a lot of work in that sentence at these latitudes, so the position you pick in the garden matters more than the pot you buy. At 20% THC with a limonene-forward profile, the return on the effort is sound.

Is it forgiving? Reasonably. Anyone comfortable with pH, a feed schedule and a light timer will get a good result. It will not hold your hand, but it will not punish one missed watering either.

Further questions we get asked about Mazar x Blueberry

Which medium? For flavour, peat-free soil cut with about 30% perlite and amended slowly — fish, blood and bone, rock phosphate, seaweed meal, all of it available at any British garden centre. For weight, coco with fertigation at EC 1.4-1.8 through bloom. This hybrid performs in both; the choice is about what you want out of it.

How does it handle a British summer? Well enough, on hybrid vigour. Keep the root zone under 28°C with mulch or pale pots, and do not transplant into a heatwave. The more common British problem is the opposite one: a cold, wet July that never lets the plant dry out between waterings.

When do I switch to bloom feed? Inside the first week of visible pistils. The 39/61 balance shifts its demand quickly at the transition — phosphorus and potassium up, nitrogen down. Soil growers can top-dress with guano and sulphate of potash; coco and hydro should move to a low-nitrogen bloom formula straight away.

Indoors or outdoors? Both work, for different reasons. Indoors you own the flowering environment completely. Outdoors, across the April to October season, the plant gets a light intensity no domestic LED matches and can reach >100 g/plant — at the price of accepting whatever the autumn does. Flowering: approximately 75 days (seed to harvest); 90-100 days outdoors. Indoor yield: 450-500 g/m2. Outdoor yield: >100 g/plant. Plant height: 60-100 cm. Rated intermediate difficulty.

Flavour, aroma and effect

Mazar x Blueberry arrives in stages. The first draw at 20% THC brings a bright citrus edge that lifts off the palate immediately. The euphoric, calm character follows within minutes, as a head and body effect at once. The mind stays clear while the muscles let go by degrees, which is what makes it adaptable — a small dose carries an afternoon, a larger one turns into an evening. The caryophyllene underneath adds a warmth that keeps the whole thing anchored.

Terpene breakdown

Primary: Limonene · Secondary: Caryophyllene · Tertiary: Linalool. These three build an aroma that keeps moving through the cure. Fresh off the dry it leads with limonene; after three or four weeks sealed in glass at 16-18°C the linalool underneath comes up and the whole thing gains a layer. Vaporising between 180°C and 195°C catches the widest span of them, since the lighter linalool molecules are the first thing heat destroys.

Who it suits

Who does well with Mazar x Blueberry? 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

🤗Euphoric
74% of people reported feeling Euphoric
🧘Calm
67% of people reported feeling Calm
😌Relaxed
58% of people reported feeling Relaxed
😊Happy
51% of people reported feeling Happy
🤩Creative
50% of people reported feeling Creative
😎Uplifted
38% of people reported feeling Uplifted
🤤Hungry
34% of people reported feeling Hungry
😴Sleepy
31% of people reported feeling Sleepy
😆Giggly
24% of people reported feeling Giggly

Strain Type

Indica 39%Sativa 61%

Strain Data Sheet

🧬THC20% - 23% (High)
🌿LineageAutoflowering Balanced Hybrid (Undisclosed Lineage)
🔬TypeAutoflower Hybrid
🌡ClimateAll climates (adaptable)
📅Harvest≈ 10 – 11 weeks from seed (typical)
📏Height60-100 cm
⚖️YieldMedium – High
🏠Yield Indoor450-500 g/m2
🌳Yield Outdoor>100 g/plant
⏱Flowering Timeapproximately 75 days (seed to harvest); 90-100 days outdoors

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 must comply with all applicable United Kingdom legislation.
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Mazar x Blueberry Auto
royalkingseeds.co.uk
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💧Waterproof coating
🛡️Aluminium interior lining
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🔢Scratchable serial number

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Mazar x Blueberry 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 Mazar x Blueberry to lock the autoflower trait. Auto trigger reliability and structural balance expression both run uniform across the population — no rogue photoperiod plants in the pack.

Breeding Goal

Lock the autoflower trait in Mazar x Blueberry through five generations of selection.

Selection Focus

Chosen for terpene profile, vigour, structure and finish-time consistency.

Pollen / Mother Source

Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.

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