White Widow cannabis seeds packaging — Royal King Seeds South Africa
HybridAuto
THC 26%
Strong
HybridAutoflowerIn Stock

White Widow Auto

Buy White Widow Auto seeds in South Africa. Hybrid · 26% THC · euphoric, relaxed, uplifted. Every figure on this page is sourced, and every order ships unbranded.

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R211.57ZAR
1
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🌱Germination Cover
🔒Nothing on the Box

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 2026-03-22 on 250 seeds.

Germination rate: 98.4% (n=250)
Last QC test date: 2026-03-22
Indoor yield: 453-586 g/m² (avg across 13 verified grower reports)
Outdoor yield: 575-908 g/plant (avg across 4 verified grower reports)

About White Widow Auto

South Africa is really two growing countries, and White Widow does not behave the same way in both. North and east of the escarpment the rain arrives in summer, so this 50/40 hybrid does its flowering while the air is still heavy; in the Western Cape the rain comes in winter, so the same plant ripens through a dry autumn instead. A 50/40 split travels better than either parent across a country running from subtropical coast to semi-desert. The canopy sits open enough to survive a humid KwaZulu-Natal autumn and dense enough to still look the part after a dry Karoo summer. At 26% THC with caryophyllene leading, what changes between a Johannesburg rooftop and a Cape smallholding is the schedule rather than the result.

Setting Up for South African Conditions

Outdoors, the province decides which problem you are actually solving.

KwaZulu-Natal and the subtropical coast. Humidity rather than heat is the limiting factor here. Whitefly and thrips peak from December through February, so introduce predatory mites (Phytoseiulus persimilis) before you see damage rather than after it. Airflow under the lower canopy matters more on this coast than anywhere else in the country.

The Highveld — Gauteng, Free State, North West. Frost closes the window at both ends. That suits autoflowering genetics well: plant from October and you will be finished long before the first frost. Above 1 400 m the ultraviolet index is high enough to push trichome production, but harden transplants off slowly or they bleach.

Western Cape. Flowering falls in the dry half of the year, which makes this the most forgiving outdoor condition in the country for White Widow — the mould pressure that shapes every other region never arrives. The south-easter is your problem instead: weeks of sustained summer wind through December and January will tear an unstaked plant apart.

Indoors the location stops mattering and the numbers take over. Through a summer sitting above 30°C ambient, run lights overnight on a 6pm-6am cycle and you sidestep most heat stress without paying for cooling. Hold humidity at 55-65% in veg and 40-50% once flowers set; EC 1.0-1.4 vegetative, 1.6-2.0 at peak bloom; pH between 5.8 and 6.3 depending on medium.

Difficulty: easy. In flower for 50-55 days (harvest 70-85 days after germination). Stands 30 - 90 cm. Indoors it returns 14 to 455 g/m2. Outdoors, 7 to 225 g/plant a plant.

What White Widow Is Like to Use

The effects most commonly reported for this cultivar are euphoric, relaxed, uplifted. At 26% THC it sits in a bracket where flexibility is the point. Lower doses read clear and functional in the morning, higher doses read relaxed in the evening. Because the 50/40 split is even, direction is set by how much you take rather than fixed by the genetics. The Caryophyllene/Myrcene pairing leaves a warm spice that dries slightly on the exhale on the palate.

Where it fits: most occasions, with the dose adjusted to whatever the situation asks for.

The Aromatic Three

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

White Widow 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. Because it autoflowers there is no light cycle to manage at all, which is what makes it work on a balcony, in an out-of-the-way outdoor spot, or anywhere a timer would be one more thing to go wrong. A September-to-May outdoor season comfortably covers a 50-55 days (harvest 70-85 days after germination) bloom in the frost-free provinces. Posted discreetly anywhere in South Africa, with sourced grow figures shown on every strain page.

Effects

🤗Euphoric
😌Relaxed
😎Uplifted

Reach For It When

Anytime
Depression
Pain
Stress

Strain Type

Indica 56%Sativa 44%

At a Glance

🧬Potency26% - 30% (Very High)
🌿ParentsBrazilian Sativa (Landrace) × South Indian Indica (Landrace)
🔬Seed TypeAutoflower Hybrid
🌡SuitsAnywhere — it runs on its own clock
📅Cut In≈ 10 – 11 weeks from seed, whenever you plant
📏Grows To30 - 90 cm
⚖️Typical ReturnMedium – High
🏠Under Light14 to 455 g/m2
🌳In the Ground7 to 225 g/plant
Weeks in Bloom50-55 days (harvest 70-85 days after germination)

In the Packet

Reseals +
RK
Royal King Seeds
Autoflowering
Regular
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
White Widow Auto
royalkingseeds.co.za
IG
FB
X
🔒Factory-sealed
💧Water-resistant outer
🛡️Foil-lined inside
🏷️Tamper sticker
📱QR check
🔢Scratch-off serial

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White Widow Auto — 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
F5
Generations
5+
Breeding Programme
Royal King Genetics Auto Line — recessive trait stabilisation
Stabilisation Notes — What This Means for Your Grow

Five generations of selection on White Widow to lock the autoflower trait. Auto trigger reliability and flavour saturation expression both run uniform across the population — no rogue photoperiod plants in the pack.

Breeding Goal

Reach auto trigger and finish-window uniformity for the White Widow pack.

Selection Focus

Chosen for balanced indica/sativa expression, terpene fidelity and pack-to-pack uniformity.

Pollen / Mother Source

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

Last Batch QC Verified
9 October 2025· 95% germination guarantee