Pineapple Jack cannabis seeds packaging — Royal King Seeds Ireland
Sativa
THC 18%
🎨 Creative
SativaFeminisedIn Stock

Pineapple Jack Feminised

Pineapple Jack Feminised — premium sativa cannabis seeds suited to Irish growing conditions. 18% THC with happy, relaxed, uplifted effects. Discreet delivery across Ireland, with sourced grow figures on every strain page.

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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 2026-09-11 on 450 seeds at 20-23°C.

Germination rate: 96.8% (n=450)
Last QC test date: 2026-09-11
Indoor yield: 424-582 g/m² (avg across 12 verified grower reports)
Outdoor yield, Ireland: 510-750 g/plant (avg across 7 verified grower reports)

About Pineapple Jack Feminised

Does Pineapple Jack finish outdoors in Ireland? It does, planted out at the end of May and cut by early October. At 10/90 it will want height, and height outdoors here means wind. Stake it earlier than you think you need to. Bloom takes 60-70 days, so the harvest date is set by the calendar far more than by your technique.

What should I expect to take off it? 460-650 g/m2 indoors and 560-640 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 18% THC the effort is well spent either way.

Is it a sensible first grow? Reasonably. Anyone who has finished one grow will manage this one; it asks for consistency rather than expertise.

Other questions that come up about Pineapple Jack

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 sativa; the deciding factor is your week, not the plant.

How does it handle the weather here? The open structure sheds heat and, more usefully, dries out quickly after rain. Wind is the real problem for a plant this shape — stake it properly before it needs it.

When does bloom feed start? Within a week of the first pistils. The 10/90 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 60-70 days of bloom completely; outdoors the plant gets light no lamp matches and can reach 560-640 g/plant, and pays for it in rain. 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 Pineapple Jack is like in practice

The catalogue lists happy, relaxed, uplifted, and that matches what growers here report back. At 18% THC this sativa sits where there is a usable window rather than a cliff. At 175-185°C the first effect is lift and mental energy, which suits company, a long walk, or work that benefits from it. The body stays light, so it is a genuine daytime option for anyone with a tolerance. The Terpinolene and Limonene together leave a finish that keeps shifting across a session.

Suited to company, creative work, and getting out of the house.

Terpene breakdown

Primary: Terpinolene · Secondary: Limonene · Tertiary: Ocimene. Temperature decides how much of this profile survives. Low vaporisation at 180-188°C keeps limonene and ocimene audible over the terpinolene; run it hotter, or burn it, and all three collapse into one note that is pleasant enough and tells you nothing.

Who it suits

Pineapple Jack suits growers with the fundamentals in place. Understand pH, rough nutrient ratios and a light cycle before committing to it; it asks for competence rather than expertise. 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 60-70 days fits inside the season here for outdoor growers, with a tunnel making it comfortable rather than tight.

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

Best For

✦ Anytime
✦ Depression
✦ Fatigue
✦ Stress

Strain Type

Indica 10%Sativa 90%

Strain Data Sheet

🧬THC18% - 23% (Medium-High)
🌿LineageJack Herer × Pineapple
🔬TypeFeminised Sativa
🌡ClimateWarm / Mediterranean, long season
📅HarvestSept – Nov, S. hemisphere (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
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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Pineapple Jack Feminised
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🛡️Aluminium interior lining
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Pineapple Jack 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
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
20 September 2026· 99%+ germination