
Kush XL Auto
Buy Kush XL Auto seeds in South Africa. Indica · 17% THC · relaxed, sleepy, happy. Every figure on this page is sourced, and every order ships unbranded.
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 2026-02-14 on 175 seeds.
About Kush XL Auto
Will Kush XL handle a South African summer outdoors? Yes. Put this 68/32 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 8-10 weeks seed to harvest, placing harvest between March and May across most provinces.
What yield is realistic? 300-400 g/m2 indoors is reachable under decent LED with steady feeding. Outdoors, 700 g/plant a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 17% 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 68/32 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 8-10 weeks seed to harvest environment. Outdoors, across a September-to-May season, gives you sunlight intensity no LED at any price reproduces, and the full 700 g/plant. Difficulty: easy. In flower for 8-10 weeks seed to harvest. Stands 60 cm. Indoors it returns 300-400 g/m2. Outdoors, 700 g/plant a plant.
What Kush XL Is Like to Use
The effects most commonly reported for this cultivar are relaxed, sleepy, happy. At 17% 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
Kush XL 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 8-10 weeks seed to harvest bloom in the frost-free provinces. Posted discreetly anywhere in South Africa, with sourced grow figures shown on every strain page.
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Kush XL Auto — Breeder Information
Royal King GeneticsRecreated 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.
Kush XL is our F5 autoflower line. Five rounds of selection have fixed both the autoflower trigger and the purple expression the cultivar is known for. The recessive ruderalis trait demands this depth of work to express uniformly.
Lock the autoflower trait in Kush XL through five generations of selection.
Chosen for purple/dark expression where it shows, dense bud structure and a true indica relaxation profile.
Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.