Blue Cookies cannabis seeds packaging — Royal King Seeds Ireland
Hybrid
THC 25%
⚡ High Potency
HybridFeminisedIn Stock

Blue Cookies Feminised

Order Blue Cookies Feminised seeds online in Ireland. A quality hybrid cultivar at 25% THC delivering focused, happy, relaxed. Chosen for a short season and a damp finish. Fast shipping and a germination guarantee.

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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 2026-09-23 on 125 seeds at 20-23°C.

Germination rate: 98.9% (n=125)
Last QC test date: 2026-09-23
Indoor yield: 456-580 g/m² (avg across 8 verified grower reports)
Outdoor yield, Ireland: 396-540 g/plant (avg across 7 verified grower reports)

About Blue Cookies Feminised

Does Blue Cookies finish outdoors in Ireland? It does, planted out at the end of May and cut by early October. The 60/40 balance handles an Irish season without special treatment, which is most of the reason to choose it. Bloom takes 8-10 weeks, so the harvest date is set by the calendar far more than by your technique.

What should I expect to take off it? 400 g/m2 indoors and 600-700 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 25% THC the effort is well spent either way.

Is it a sensible first grow? Yes. It survives the things that go wrong in a first attempt — forgotten waterings, a feed mixed by eye, a shed that is cold by morning — and still produces something worth curing.

Other questions that come up about Blue Cookies

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 — fish, blood and bone, seaweed meal, rock phosphate — 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 28°C and do not transplant into a warm spell.

When does bloom feed start? Within a week of the first pistils. The 60/40 balance shifts demand quickly at the transition — 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 8-10 weeks of bloom completely; outdoors the plant gets light no lamp matches and can reach 600-700 g/plant, and pays for it in rain. Flowering: 8-10 weeks. Indoor yield: 400 g/m2. Outdoor yield: 600-700 g/plant. Plant height: 1.5 m. Rated beginner difficulty.

What Blue Cookies is like in practice

The catalogue lists focused, happy, relaxed, and that matches what growers here report back. At 25% THC this hybrid sits where the balance is the argument for it. Small doses stay functional, larger ones relax properly, and the 60/40 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 · Secondary: Limonene · Tertiary: Pinene. The three shift relative to each other across the cure. Straight off the dry the myrcene dominates; three or four weeks sealed in glass at 16-18°C and the pinene underneath comes up to meet it. Vaporising between 180°C and 195°C catches the widest span, because heat takes the lighter pinene molecules first.

Who it suits

Blue Cookies suits growers at any stage, a first outdoor season included. It tolerates the ordinary early mistakes — watering by habit rather than by weight, a feed that drifts, a tunnel that runs cold overnight — without the crop coming apart. Photoperiod genetics leave plant size and harvest date under your control — veg longer for a bigger plant, or flip early when the ceiling is low. A bloom of 8-10 weeks fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.

Effects

🧠Focused
76% of people reported feeling Focused
😊Happy
65% of people reported feeling Happy
😌Relaxed
58% of people reported feeling Relaxed
🤩Creative
56% of people reported feeling Creative
🤗Euphoric
47% of people reported feeling Euphoric
😎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 60%Sativa 40%

Strain Data Sheet

🧬THC25% - 30% (Very High)
🌿LineageGirl Scout Cookies × Blueberry
🔬TypeFeminised Hybrid
🌡ClimateTemperate, adaptable
📅HarvestSept – Nov, S. hemisphere (typical)
📏Height1.5 m
⚖️YieldMedium – High
🏠Yield Indoor400 g/m2
🌳Yield Outdoor600-700 g/plant
⏱Flowering Time8-10 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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Blue Cookies Feminised
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Blue Cookies 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
BX3
Generations
4+
Breeding Programme
Royal King Genetics Backcross Line — BX3 clone-only restabilisation
Stabilisation Notes — What This Means for Your Grow

BX3 is the credible stabilisation point for a clone-only late-2010s cultivar. We worked Blue Cookies through three backcross generations to recreate the elite cut in seed form. A sibling male pollinates the mother each cycle to drive trait fixation.

Breeding Goal

Recreate the Blue Cookies clone-only cut in stable seed form.

Selection Focus

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

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