Purple Arrow cannabis seeds packaging — Royal King Seeds South Africa
Indica
THC 21%
🎨 Heady
IndicaFeminisedIn Stock

Purple Arrow Feminised

Buy Purple Arrow Feminised seeds in South Africa. Indica · 21% THC · creative, calm. Every figure on this page is sourced, and every order ships unbranded.

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R211.57ZAR
1
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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 2026-03-10 on 400 seeds.

Germination rate: 97.4% (n=400)
Last QC test date: 2026-03-10
Indoor yield: 449-582 g/m² (avg across 13 verified grower reports)
Outdoor yield: 521-778 g/plant (avg across 4 verified grower reports)

About Purple Arrow Feminised

Will Purple Arrow handle a South African summer outdoors? Yes. Put this 79/21 indica in the ground between September and November and you will be cutting from March to May. It stays low enough not to clear a boundary wall, and the short frame carries more weight than its size suggests. Bloom runs 45-60 days, placing harvest between March and May across most provinces.

What yield is realistic? Up to 300g/m² indoors is reachable under decent LED with steady feeding. Outdoors, Up to 300 gr a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 21% THC with myrcene 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 indica genetics performs in either.

Does it cope with real summer heat? Reasonably. The dense foliage shades itself, so a spell above 28°C slows growth without stalling it. Mulch the root zone and water before 7am and heat stress stays manageable through most of the country.

When do I switch to bloom feed? As soon as pistils show, not a fortnight later. The 79/21 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 45-60 days environment. Outdoors, across a September-to-May season, gives you sunlight intensity no LED at any price reproduces, and the full Up to 300 gr. Difficulty: intermediate. In flower for 45-60 days. Stands about 90 cm. Indoors it returns Up to 300g/m². Outdoors, Up to 300 gr a plant.

What Purple Arrow Is Like to Use

The effects most commonly reported for this cultivar are creative, calm. At 21% THC it sits in a bracket where the dose does most of the work. A single bowl vaporised at 185°C gives a manageable body relaxation with your head still intact — enough to close out a long day in the summer heat. Push the dose and it moves decisively toward physical sedation, which is how it tends to end up as a winter evening cultivar. The Myrcene/Humulene pairing leaves an earthy sweetness with a fruit finish on the palate.

Where it fits: quiet evenings, a film, recovery after exercise, and the hours before sleep.

The Aromatic Three

Leading with Myrcene, then Humulene, and Linalool underneath. How this combination survives the move from flower to vapour or smoke is not a given. Held low, at 180-188°C, the humulene and linalool notes stay legible with myrcene 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

Purple Arrow 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 45-60 days bloom in the frost-free provinces. Posted discreetly anywhere in South Africa, with sourced grow figures shown on every strain page.

Effects

🤩Creative
🧘Calm

Reach For It When

Evening
Relaxation
Sleep Support

Strain Type

Indica 79%Sativa 21%

At a Glance

🧬Potency21% - 25% (High)
🌿ParentsHindu Kush × Purple Afghani
🔬Seed TypeFeminised Indica
🌡SuitsHighveld and the drier interior
📅Cut InMarch – May outdoors, planted Sept – Nov
📏Grows Toabout 90 cm
⚖️Typical ReturnMedium
🏠Under LightUp to 300g/m²
🌳In the GroundUp to 300 gr
Weeks in Bloom45-60 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.
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Purple Arrow 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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Purple Arrow 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
F4
Generations
4+
Breeding Programme
Filial Stabilisation (F4) — four-generation selection
Stabilisation Notes — What This Means for Your Grow

Four rounds of filial stabilisation on the Purple Arrow cross. The bud-to-leaf ratio expression sits uniform; pheno-to-pheno yield variation runs within ±10% of the published numbers.

Breeding Goal

Carry Purple Arrow from F1 cross to F4 production-ready seed stock.

Selection Focus

Chosen for resin output, a low-slung stature and a clean indica terpene fingerprint.

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
27 October 2025· 95% germination guarantee