MK Ultra cannabis seeds packaging — Royal King Seeds South Africa
Hybrid
THC 22%
📈 Big Harvest
HybridFeminisedIn Stock

MK Ultra Feminised

A hybrid testing at 22% THC, MK Ultra Feminised is reported euphoric, happy, relaxed. Grown right across the country, from the Cape to the Lowveld. Discreet nationwide delivery and a germination guarantee.

Select Pack Size
R228.51ZAR
1
🇿🇦Free South Africa Delivery
🌱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 2026-02-05 on 500 seeds.

Germination rate: 96.8% (n=500)
Last QC test date: 2026-02-05
Indoor yield: 402-534 g/m² (avg across 10 verified grower reports)
Outdoor yield: 484-746 g/plant (avg across 9 verified grower reports)

About MK Ultra Feminised

South Africa is really two growing countries, and MK Ultra does not behave the same way in both. North and east of the escarpment the rain arrives in summer, so this 50/50 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 50/50 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 22% THC with limonene 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 a 8-9 weeks bloom, provided you start seeds under cover by early September and bank the vegetative growth before the December solstice. 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 MK Ultra — 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: medium. In flower for 8-9 weeks. Stands 100-120 cm. Indoors it returns 350 g/m2. Outdoors, 800 - 1000 g/plant a plant.

Aroma, Flavour and Effect

The first thing MK Ultra does at 22% THC is lift it with a bright, nearly effervescent citrus. The euphoric, happy, relaxed effects follow within minutes, across head and body at once. Thinking stays clear while muscle tension drains off, which leaves the dose as the deciding factor — light for the afternoon, heavier and it moves into the evening without a jolt. Caryophyllene sits underneath all of it, adding a grounding warmth that keeps the whole thing anchored.

The Aromatic Three

Leading with Limonene, then Caryophyllene, and Linalool underneath. This trio turns up repeatedly in cultivars that win things, and it is why a jar of MK Ultra tends to get a reaction the first time it is opened after curing. Limonene sets the anchor, caryophyllene fills the middle, and linalool sits in the background doing the work that separates this from every other strain built on the same primary terpene.

Suitability and Recommendations

Who does well with MK Ultra? Indoor growers who want the harvest date to be their decision. Outdoor growers who want to choose the moment flowering starts. Anyone with the room and the patience to veg it properly before flipping. It is rated medium, which in practice means a moderate learning curve that rewards attention without needing laboratory conditions. Sent nationwide in plain, unbranded packaging, with sourced grow data on every strain page.

Effects

🤗Euphoric
😊Happy
😌Relaxed

Reach For It When

Anytime
Insomnia
Pain
Stress

Strain Type

Indica 50%Sativa 50%

At a Glance

🧬Potency22% - 26% (High)
🌿ParentsOG Kush × G13
🔬Seed TypeFeminised Hybrid
🌡SuitsMost of the country
📅Cut InMarch – May outdoors, planted Sept – Nov
📏Grows To100-120 cm
⚖️Typical ReturnMedium
🏠Under Light350 g/m2
🌳In the Ground800 - 1000 g/plant
Weeks in Bloom8-9 weeks

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
MK Ultra Feminised
royalkingseeds.co.za
IG
FB
X
🔒Factory-sealed
💧Water-resistant outer
🛡️Foil-lined inside
🏷️Tamper sticker
📱QR check
🔢Scratch-off serial

Related Strains

Valley Ghash cannabis seeds packaging — Royal King Seeds South Africa
19% THC
Hybrid
📈 Big Harvest

Valley Ghash Feminised

RelaxedHappyEuphoric
R186.16ZAR
Headband cannabis seeds packaging — Royal King Seeds South Africa
23% THC
Hybrid
📈 Big Harvest

Headband Feminised

EuphoricHappyRelaxed
R194.63ZAR
Orange Kush cannabis seeds packaging — Royal King Seeds South Africa
23% THC
Hybrid
🎨 Heady

Orange Kush Feminised

HappyRelaxedUplifted
R253.92ZAR
Tembo Kush cannabis seeds packaging — Royal King Seeds South Africa
22% THC
Hybrid
📈 Big Harvest

Tembo Kush Feminised

RelaxedHappyEuphoric
R186.16ZAR

MK Ultra 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 late-2010s 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

Pin the structural balance that came out of the original MK Ultra cross.

Selection Focus

Chosen for trichome density, bud structure and the hybrid trait balance the cross was engineered for.

Pollen / Mother Source

Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.

Last Batch QC Verified
23 February 2026· 95% germination guarantee