Blue Haze cannabis seeds packaging — Royal King Seeds the UK
IndicaAuto
THC 20%
😊 Beginner Pick
IndicaAutoflowerIn Stock

Blue Haze Auto

AutoflowerSee Lab Report →

Blue Haze Auto cannabis seeds for UK growers. Indica · 20% THC · focused, happy, relaxed. Discreet UK delivery, priced in GBP.

Select Pack Size
£9.76
1
🇬🇧Free AU Delivery
🌱Germination Promise
🔒Unmarked Packaging

About Blue Haze Auto

Open a jar of properly cured Blue Haze and the first impression is unmistakably myrcene — a deep, earthy musk with undertones of ripe tropical fruit, reminiscent of overripe mango left in the sun. Beneath this primary note, caryophyllene introduces a grounding spiciness that emerges mid-palate. This 80/20 indica tests at 20% THC, but the sensory journey is what distinguishes Blue Haze from other cultivars at comparable potency. Think of it like comparing a single-origin wine to a blended table variety — the numbers might overlap, but the experience diverges sharply.

Developing the Full Flavour Profile

Growing Blue Haze for maximum terpene expression requires deliberate choices that differ from growing purely for yield. The Myrcene/Caryophyllene/Linalool profile responds particularly well to organic living soil — the microbial activity in a well-established no-till bed creates secondary metabolites that synthetic nutrients simply cannot replicate. UK growers have access to excellent local compost and worm casting suppliers that make this approach practical.

During the 55-65 days period, avoid foliar sprays after week 2 — anything deposited on developing trichomes compromises the aromatic purity at harvest. Temperature manipulation in the final three weeks profoundly influences which terpenes dominate the cured flower: cooler night temperatures (16-18°C) amplify myrcene expression, whilst warmer finishes preserve the lighter linalool top notes.

The cure is where most UK growers leave flavour on the table. After a 10-14 day hang dry at 15-18°C and 55-60% relative humidity (a challenge in a damp British autumn — a climate-controlled room or wine fridge set to 16°C works brilliantly), transfer to glass jars and burp twice daily for the first fortnight. The caryophyllene secondary notes that make this strain genuinely special only emerge after 21-28 days of jar curing. Patience transforms a good flower into a remarkable one.

Flowering: 55-65 days. Indoor yield: up to 500 g/m2. Outdoor yield: up to 400 g/plant. Rated intermediate difficulty.

Flavour, Aroma, and Experience

The sensory arc of Blue Haze unfolds in stages. Initial inhalation at 20% THC brings a deep, musky earthiness that coats the palate. The focused, happy, relaxed effects emerge within minutes, beginning as a pleasant heaviness behind the eyes that migrates downward through the shoulders, chest, and limbs. By the fifteen-minute mark, a deep physical stillness sets in — not sedation exactly, but a reluctance to move that makes the couch remarkably appealing. Duration runs 2-3 hours at moderate doses. The caryophyllene secondary terpene adds a distinct layer: a grounding warmth that prevents the experience from feeling unanchored.

Terpene Breakdown

Primary: Myrcene · Secondary: Caryophyllene · Tertiary: Linalool. This particular terpene trio appears frequently in award-winning cultivars and produces a nose that most UK growers find immediately appealing when jars are first opened after curing. The myrcene dominance anchors the aroma, caryophyllene provides mid-range character, and linalool contributes a subtle background note that distinguishes this strain from others sharing the same primary terpene.

Suitability and Recommendations

Who grows Blue Haze successfully? Balcony growers in flats from Brighton to Glasgow. Regional cultivators wanting a quick-turnaround outdoor crop. Indoor growers with limited headroom in small tents. The autoflowering genetics run on their own internal clock — no light schedule adjustments, no stress about light leaks, and harvest arrives 10-12 weeks after germination regardless of the season. Difficulty is rated intermediate, meaning a moderate learning curve that rewards attention without demanding laboratory-grade conditions. Delivered UK-wide in discreet, unbranded packaging with germination guarantee included.

Effects

🧠Focused
76% of people reported feeling Focused
😊Happy
65% of people reported feeling Happy
😌Relaxed
58% of people reported feeling Relaxed
😴Sleepy
58% of people reported feeling Sleepy
🤤Hungry
48% of people reported feeling Hungry
🤗Euphoric
40% of people reported feeling Euphoric
🧘Calm
33% of people reported feeling Calm
🌿Stress Relief
20% of people reported feeling Stress Relief
💆Body High
17% of people reported feeling Body High

Strain Type

Indica 80%Sativa 20%

Strain Data Sheet

🧬THC20% - 25% (High)
🌿LineageAutoflowering Indica-Dominant Hybrid (Undisclosed Lineage)
🔬TypeAutoflower Indica
🌡ClimateAll climates (adaptable)
📅Harvest≈ 10 – 11 weeks from seed (typical)
📏Height60 – 100 cm (typical)
⚖️YieldMedium – High
🏠Yield Indoorup to 500 g/m2
🌳Yield Outdoorup to 400 g/plant
Flowering Time55-65 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 must comply with all applicable UK Commonwealth, state, and territory legislation.
1
Blue Haze Auto
royalkingseeds.co.uk
IG
FB
X
🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

Related Strains

Strawberry Milkshake cannabis seeds packaging — Royal King Seeds the UK
Hybrid
THC 19%
📈 High Yield

Strawberry Milkshake Feminized

RelaxedHappyEuphoric
£9.76
Jane Doe cannabis seeds packaging — Royal King Seeds the UK
Hybrid
THC 23%
🌙 Sleep Aid

Jane Doe Feminized

RelaxedEuphoricCalm
£10.98
Gorilla Cookies cannabis seeds packaging — Royal King Seeds the UK
Indica
THC 24%
🎨 Creative

Gorilla Cookies Feminized

EuphoricCreativeCalm
£11.79
Lowryder cannabis seeds packaging — Royal King Seeds the UK
HybridAuto
THC 15%
😊 Beginner Pick

Lowryder Auto

FocusedCalm
£12.20

Blue Haze 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

Blue Haze is an autoflowering line that has been progressed through five rounds of Royal King Genetics autoflower stabilisation. The autoflower trait is recessive — fixing it takes multi-generation work — and at F5 the auto trigger and finish window are welded across the pack.

Breeding Goal

Stabilise the recessive ruderalis trait in Blue Haze for uniform auto-trigger.

Selection Focus

Chosen for purple/dark expression where it shows, dense bud structure and a true indica relaxation profile.

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.

Last Batch QC Verified
27 July 2026· 99%+ germination