Pineapple Jack cannabis seeds packaging — Royal King Seeds the UK
Sativa
THC 18%
🎨 Creative
SativaFeminizedIn Stock

Pineapple Jack Feminized

Feminized PhotoperiodSee Lab Report →

Pineapple Jack Feminized — sativa cannabis seeds suited to UK growing conditions. 18% THC with happy, relaxed, uplifted effects. Fast, discreet UK delivery.

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About Pineapple Jack Feminized

Can I grow Pineapple Jack outdoors in the UK? Absolutely. This 10/90 sativa is well-suited to the UK outdoor season running April through October. Expect taller plants that appreciate the long summer daylight hours — give it room to stretch and you will be rewarded with impressive cola development. Flowering takes 60-70 days, placing your harvest window squarely in September or October for most UK latitudes.

What kind of yield should I realistically expect? Indoor growers pulling 460-650 g/m2 is achievable with decent LED lighting and attentive feeding. Outdoors, 560-640 g/plant per plant is realistic in 50+ litre pots or directly in prepared garden soil with full sun exposure. At 18% THC and a terpinolene-forward terpene profile, the quality-to-effort ratio makes Pineapple Jack genuinely worthwhile.

Is this strain forgiving for newer growers? Reasonably so. A grower with basic knowledge of pH, feeding schedules, and light cycles will manage fine. It is not the most forgiving plant if you neglect it entirely, but it will not collapse at the first missed watering either.

More Questions UK Growers Ask About Pineapple Jack

What growing medium works best for this strain? For maximum flavour complexity, organic soil blended with 30% perlite and enriched with slow-release amendments (blood, fish and bone, rock phosphate, kelp meal — all readily available at a garden centre or your local hydroponics shop). For maximum yield, coco coir with automated fertigation at EC 1.4-1.8 during bloom. Both approaches produce excellent results with this sativa genetics.

How does it handle British summer heat? Better than most. The open canopy structure allows heat to dissipate naturally. In a rare UK heatwave (32°C+), midday wilting may occur but recovery is swift once temperatures drop. Shade netting at 30% reduces intensity without significantly impacting growth.

When should I start feeding bloom nutrients? Within the first week of visible pistil formation. This cultivar's 10/90 genetics shifts its nutritional demand rapidly at the transition. Phosphorus and potassium uptake increases noticeably, whilst nitrogen demand drops. An organic top-dress of bat guano and sulphate of potash works well for soil growers; hydro and coco growers should switch to a bloom-ratio formula (low N, high PK) immediately.

Indoor or outdoor — which is better for this strain? Both work. Indoor gives you control over the 60-70 days environment. Outdoor in the UK growing season (April-October) lets the plant reach its full 560-640 g/plant potential with natural sunlight intensity that even expensive LEDs struggle to match. Flowering: 60-70 days. Indoor yield: 460-650 g/m2. Outdoor yield: 560-640 g/plant. Plant height: 110-160 cm. Rated intermediate difficulty.

What to Expect When Using Pineapple Jack

UK customers report happy, relaxed, uplifted as the defining characteristics, and our experience aligns with that consensus. At 18% THC, this sativa sits in a potency bracket where most users find a productive sweet spot. Vaporised at 175-185°C, the initial effect is a noticeable uplift in mood and mental energy that pairs well with creative projects, long walks, or an afternoon with friends. The body remains light and mobile throughout, making this a genuine daytime option for those with THC tolerance. The Terpinolene/Limonene terpene combination imparts a flavour that lingers on the palate — complex and shifting, revealing new notes across the session.

Ideal settings: creative pursuits, social gatherings, outdoor adventures, and daytime leisure.

Terpene Breakdown

Primary: Terpinolene · Secondary: Limonene · Tertiary: Ocimene. Flavour translation from flower to vapour and smoke differs with this terpene combination. Low-temperature vaporisation (180-188°C) highlights the limonene and ocimene notes whilst keeping terpinolene as a foundation. Higher temperatures or combustion flatten the profile into a single-note experience — still pleasant, but lacking the complexity that makes this cultivar genuinely interesting to those who appreciate flavour.

Suitability and Recommendations

Pineapple Jack suits growers with fundamental skills already established. You should understand pH management, basic nutrient ratios, and light cycle requirements before committing to this cultivar — it will not hold your hand, but it will not punish minor mistakes harshly either. Photoperiod genetics give you complete control over plant size and harvest timing — extend the vegetative phase for larger plants or flip early for a quicker turnaround in compact spaces. The UK growing season (April through October) accommodates the 60-70 days bloom period comfortably for outdoor cultivators across the country. Shipped discreetly across the UK with our germination guarantee.

Effects

😊Happy
72% of people reported feeling Happy
😌Relaxed
65% of people reported feeling Relaxed
😎Uplifted
58% of people reported feeling Uplifted
🤑Energetic
50% of people reported feeling Energetic
🤩Creative
50% of people reported feeling Creative
🤗Euphoric
40% of people reported feeling Euphoric
🧠Focused
35% of people reported feeling Focused
🗣️Talkative
23% of people reported feeling Talkative
💪Motivated
24% of people reported feeling Motivated

Strain Type

Indica 10%Sativa 90%

Strain Data Sheet

🧬THC18% - 23% (Medium-High)
🌿LineageJack Herer × Pineapple
🔬TypeFeminized Sativa
🌡ClimateWarm / Mediterranean, long season
📅HarvestLate Sept – Oct, UK outdoor (typical)
📏Height110-160 cm
⚖️YieldHigh
🏠Yield Indoor460-650 g/m2
🌳Yield Outdoor560-640 g/plant
Flowering Time60-70 days

Packaging

Resealable +
RK
Royal King Seeds
Photoperiod
Feminized Premium
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.
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Pineapple Jack Feminized
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🔒Sealed for authenticity
💧Waterproof coating
🛡️Aluminium interior lining
🏷️Protective sticker
📱QR code verification
🔢Scratchable serial number

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Pineapple Jack Feminized — 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
BX2
Generations
3+
Breeding Programme
Royal King Genetics Backcross Line — BX2 modern hybrid stabilisation
Stabilisation Notes — What This Means for Your Grow

A modern modern hybrid hybrid carrying at least one clone-only parent. BX2 is the right stabilisation point: two rounds of backcross fix the parent-cut traits without narrowing the population too far.

Breeding Goal

Stabilise the Pineapple Jack cross into a seed-uniform line.

Selection Focus

Chosen for sativa vigour, bud-to-leaf ratio and the distinctive terpene character of the original cut.

Pollen / Mother Source

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

Last Batch QC Verified
18 August 2026· 99%+ germination