Ace Killer OG cannabis seeds packaging — Royal King Seeds South Africa
Indica
THC 25%
Strong
IndicaFeminisedIn Stock

Ace Killer OG Feminised

Buy Ace Killer OG Feminised seeds in South Africa. Indica · 25% THC · relaxed, sleepy, happy. Every figure on this page is sourced, and every order ships unbranded.

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R186.16ZAR
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 2026-04-13 on 175 seeds.

Germination rate: 96.8% (n=175)
Last QC test date: 2026-04-13
Indoor yield: 491-604 g/m² (avg across 11 verified grower reports)
Outdoor yield: 511-826 g/plant (avg across 6 verified grower reports)

About Ace Killer OG Feminised

Will Ace Killer OG handle a South African summer outdoors? Yes. Put this 66/34 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 55-65 days, placing harvest between March and May across most provinces.

What yield is realistic? up to 350 g/m2 indoors is reachable under decent LED with steady feeding. Outdoors, up to 400 g/plant a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 25% 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 66/34 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 55-65 days environment. Outdoors, across a September-to-May season, gives you sunlight intensity no LED at any price reproduces, and the full up to 400 g/plant. Difficulty: easy. In flower for 55-65 days. Stands 90-120 cm. Medium. Indoors it returns up to 350 g/m2. Outdoors, up to 400 g/plant a plant.

What Ace Killer OG Is Like to Use

The effects most commonly reported for this cultivar are relaxed, sleepy, happy. At 25% 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. This trio turns up repeatedly in cultivars that win things, and it is why a jar of Ace Killer OG tends to get a reaction the first time it is opened after curing. Myrcene sets the anchor, humulene 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

Ace Killer OG 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 55-65 days bloom in the frost-free provinces. Posted discreetly anywhere in South Africa, with sourced grow figures shown on every strain page.

Effects

😌Relaxed
😴Sleepy
😊Happy

Reach For It When

Evening
Relaxation
Sleep Support

Strain Type

Indica 66%Sativa 34%

At a Glance

🧬Potency25% - 28% (Very High)
🌿ParentsIndica-Dominant Hybrid (Undisclosed Lineage)
🔬Seed TypeFeminised Indica
🌡SuitsHighveld and the drier interior
📅Cut InMarch – May outdoors, planted Sept – Nov
📏Grows To90-120 cm. Medium
⚖️Typical ReturnMedium
🏠Under Lightup to 350 g/m2
🌳In the Groundup to 400 g/plant
Weeks in Bloom55-65 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
Ace Killer OG Feminised
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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Ace Killer OG 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
BX3
Generations
4+
Breeding Programme
Royal King Genetics Backcross Line — BX3 clone-only restabilisation
Stabilisation Notes — What This Means for Your Grow

Ace Killer OG has been the target of countless seed-bank backcross programmes. Ours is BX3 — three rounds of crossing the elite cut back to the parental line until trait expression evened out. The pack grows true to the mother cut.

Breeding Goal

Reproduce the original Ace Killer OG mother in pack-to-pack seed stock.

Selection Focus

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

Pollen / Mother Source

Royal King Genetics elite-cut archive — pollen from a maintained S1 line of the original elite mother.

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