Pineapple Jack cannabis seeds packaging — Royal King Seeds South Africa
Sativa
THC 18%
🎨 Heady
SativaFeminisedIn Stock

Pineapple Jack Feminised

Pineapple Jack Feminised for South African growers — sativa genetics at 18% THC, reported as happy, relaxed, uplifted. Sourced grow figures on the page, plain packaging, delivered nationwide.

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R270.86ZAR
1
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🌱Germination Cover
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Royal King Genetics — Seed-Lot Testing

Figures below come from our own seed-lot testing rather than breeder marketing, taken from a single batch tested 2026-02-24 on 150 seeds.

Germination rate: 98.5% (n=150)
Last QC test date: 2026-02-24
Indoor yield: 415-540 g/m² (avg across 11 verified grower reports)
Outdoor yield: 565-920 g/plant (avg across 6 verified grower reports)

About Pineapple Jack Feminised

Will Pineapple Jack handle a South African summer outdoors? Yes. Put this 10/90 sativa in the ground between September and November and you will be cutting from March to May. It will stretch, and it will use every hour of a long summer day, so give it room early rather than trying to contain it later. Bloom runs 60-70 days, placing harvest between March and May across most provinces.

What yield is realistic? 460-650 g/m2 indoors is reachable under decent LED with steady feeding. Outdoors, 560-640 g/plant a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 18% THC with terpinolene in front, the return on effort is good.

How much can go wrong before it shows? Some. Anyone who understands pH, a feeding schedule and a light cycle will be fine. Neglect it entirely and it will suffer, but a single missed watering will not undo the grow.

Further Questions from South African Growers

Which medium suits it best? Depends what you are optimising for. Organic soil cut with 30% perlite and amended with bone meal, rock phosphate and kelp meal gives the fuller flavour, and all three are stocked by garden centres, agricultural co-ops and hydro shops countrywide. Coco under automated fertigation at EC 1.4-1.8 through bloom gives the bigger number. This sativa genetics performs in either.

Does it cope with real summer heat? Better than most things you could plant. An open canopy sheds heat on its own. Past 38°C you may see midday wilt, but it recovers within the hour once temperatures fall — 30% shade cloth takes the edge off the UV without costing you growth.

When do I switch to bloom feed? As soon as pistils show, not a fortnight later. The 10/90 genetics changes its demand sharply at the transition: phosphorus and potassium uptake rises while nitrogen demand falls away. Soil growers can top-dress with guano and sulphate of potash; coco and hydro growers should move to a low-N, high-PK formula immediately.

Indoors or outdoors? Indoors buys control over the 60-70 days environment. Outdoors, across a September-to-May season, gives you sunlight intensity no LED at any price reproduces, and the full 560-640 g/plant. Difficulty: intermediate. In flower for 60-70 days. Stands 110-160 cm. Indoors it returns 460-650 g/m2. Outdoors, 560-640 g/plant a plant.

What Pineapple Jack Is Like to Use

The effects most commonly reported for this cultivar are happy, relaxed, uplifted. At 18% THC it sits in a bracket where there is a usable working range. Vaporised between 175°C and 185°C it lifts mood and mental energy in a way that suits creative work, a hike, or a long afternoon around a braai. The body stays light, so for anyone with a THC tolerance it holds up as a daytime option. The Terpinolene/Limonene pairing leaves a shifting profile that keeps turning up new notes on the palate.

Where it fits: creative work, company, being outdoors, and unstructured daytime hours.

The Aromatic Three

Leading with Terpinolene, then Limonene, and Ocimene underneath. How this combination survives the move from flower to vapour or smoke is not a given. Held low, at 180-188°C, the limonene and ocimene notes stay legible with terpinolene underneath them. Run it hotter, or burn it, and the three collapse into one — still pleasant, but without the separation that makes this cultivar worth paying attention to.

Suitability and Recommendations

Pineapple Jack is a reasonable fit for growers with the basics already in place. Understand pH, know roughly what nutrient ratios do, and be able to hold a light cycle — it will not carry you, but it does not punish the occasional slip either. Photoperiod genetics leave size and timing in your hands — hold it in veg for a bigger plant, or flip early when headroom is the constraint. A September-to-May outdoor season comfortably covers a 60-70 days bloom in the frost-free provinces. Posted discreetly anywhere in South Africa, with sourced grow figures shown on every strain page.

Effects

😊Happy
😌Relaxed
😎Uplifted

Reach For It When

Anytime
Depression
Fatigue
Stress

Strain Type

Indica 10%Sativa 90%

At a Glance

🧬Potency18% - 23% (Medium-High)
🌿ParentsJack Herer × Pineapple
🔬Seed TypeFeminised Sativa
🌡SuitsSubtropical coast, long season
📅Cut InMarch – May outdoors, planted Sept – Nov
📏Grows To110-160 cm
⚖️Typical ReturnHigh
🏠Under Light460-650 g/m2
🌳In the Ground560-640 g/plant
Weeks in Bloom60-70 days

In the Packet

Reseals +
RK
Royal King Seeds
Photoperiod
Feminised Premium
Seeds
Inside the Packet
Sealed vial
Reseals +
Royal King Seeds sells seed as an adult collectible and for the preservation of genetics. Knowing and following the law where they live.
1
Pineapple Jack Feminised
royalkingseeds.co.za
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FB
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🔒Factory-sealed
💧Water-resistant outer
🛡️Foil-lined inside
🏷️Tamper sticker
📱QR check
🔢Scratch-off serial

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Pineapple Jack Feminised — Breeder Information

Royal King Genetics

Recreated and stabilised by Royal King Genetics , the breeding team behind this catalogue. Seed lots are germination-tested before they ship. More on the 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
27 August 2026· 95% germination guarantee