
Mexican Haze Feminised
Mexican Haze Feminised for South African growers — sativa genetics at 17% THC, reported as euphoric, focused, energetic. Sourced grow figures on the page, plain packaging, delivered nationwide.
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 2026-03-12 on 150 seeds.
About Mexican Haze Feminised
Days 1 to 14, seed to fourth node: Expect Mexican Haze to crack in roughly 48 hours on damp paper towel and to break soil by day three. Early growth runs upward quickly, narrow first leaves already reaching. Look for five nodes by day 14 with obvious gaps between them, which is the sativa pattern showing early. Damping off is rare if you hold near 70% humidity through this stage.
Weeks 3 to 6, building the frame: This is the point where it tries to get away from you. Start low-stress training in week three, bend the main stem over at 90 degrees in week four, and the secondaries will draw level for a flat canopy by week six without topping at all.
Bloom, weeks 1 to 12: The 15/85 character becomes obvious here. Limonene usually shows in week three and strengthens from there, with trichome cover visible without a loupe from about week five. Indoor yield: 400-500 g/m2. Height: 330 cm. Tested at 17% THC. Difficulty: medium.
Bloom Through to Jar
Weeks 4 to 6. This is where the plant stops looking like a frame and starts looking like a crop. Buds keep extending lengthwise rather than filling out, stacking fresh calyxes along the stems. Secondary branches often out-produce expectations here, since the open frame lets light down to sites a denser plant would simply have covered.
Weeks 10 to 12, ripening. Drop to plain water for the final ten days. The limonene carry gets strong enough that carbon filtration stops being optional in a residential street. Trichomes run clear to milky across the last fortnight, amber showing on sugar leaves before it reaches the calyxes; around 15% amber on the calyxes themselves is a common place to cut.
Drying and curing. Whole-plant hang in the dark at 17°C and 58% humidity for roughly 12 days — when stems snap instead of bending, it is ready for glass. Burp twice daily for the first fortnight, then once daily through weeks three and four. Finished weight should land near the 400-500 g/m2 estimate. The terpinolene note comes through markedly stronger after curing than it did at harvest, which is the clearest evidence that a cure builds flavour rather than merely preserving it.
Difficulty: medium. In flower for 10-12 weeks. Stands 330 cm. Indoors it returns 400-500 g/m2. Outdoors, 800 g/plant a plant. Feminised seeds.
What Mexican Haze Is Like to Use
The effects most commonly reported for this cultivar are euphoric, focused, energetic. At 17% THC it sits in a bracket where there is a usable working range. Vaporised between 175°C and 185°C it lifts mood and mental energy in a way that suits creative work, a hike, or a long afternoon around a braai. The body stays light, so for anyone with a THC tolerance it holds up as a daytime option. The Limonene/Terpinolene pairing leaves a zesty, clean aftertaste on the palate.
Where it fits: creative work, company, being outdoors, and unstructured daytime hours.
The Aromatic Three
Leading with Limonene, then Terpinolene, and Pinene underneath. Read across a cure, these three compounds do not stay in the same order. Fresh off the dry, limonene leads. After three or four weeks in sealed glass at 16-18°C the pinene undertone comes up and the bouquet gains a layer it did not have at harvest. Vaporising between 180°C and 195°C captures the widest span of them — run it hotter and the volatile pinene molecules are the first thing you lose.
Suitability and Recommendations
Mexican Haze 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 10-12 weeks bloom in the frost-free provinces. Posted discreetly anywhere in South Africa, with sourced grow figures shown on every strain page.
Effects
Reach For It When
Strain Type
At a Glance
In the Packet
Feminised Premium
Seeds
the source
inside
number
Related Strains

Jungle Juice Feminised
Buy Jungle Juice Feminised seeds in South Africa. Sativa · 15% THC · euphoric, creative, focused. Every figure on this page is sourced, and every order ships unbranded.

Chocolate Thai Feminised
A sativa testing at 15% THC, Chocolate Thai Feminised is reported euphoric, creative, focused. Grown right across the country, from the Cape to the Lowveld. Discreet nationwide delivery and a germination guarantee.

Red Congolese Feminised
A sativa testing at 18% THC, Red Congolese Feminised is reported creative, energetic, focused. Grown right across the country, from the Cape to the Lowveld. Discreet nationwide delivery and a germination guarantee.

Diesel Power Feminised
Diesel Power Feminised for South African growers — sativa genetics at 20% THC, reported as euphoric, creative, energetic. Sourced grow figures on the page, plain packaging, delivered nationwide.
Mexican Haze Feminised — 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.
A heritage cultivar that we have taken through five rounds of inbred selection. The 2010s production reference profile — terpene fingerprint, finishing window, plant frame — has been welded into the population. Every seed in the pack carries the trait set that put Mexican Haze on the map.
Bring the original Mexican Haze reference profile back to true-to-type seed stock.
Chosen for vigour, manageable stretch and the cerebral terpene profile sativa growers buy this strain for.
Royal King Genetics in-house mother stock — pollen taken from a sibling male drawn from the same selected pheno population.