
Mad Scientist Feminised
A indica testing at 23% THC, Mad Scientist Feminised is reported relaxed, sleepy, happy. Grown right across the country, from the Cape to the Lowveld. Discreet nationwide delivery and a germination guarantee.
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 2026-03-13 on 400 seeds.
About Mad Scientist Feminised
Mad Scientist announces itself in a fixed order, and myrcene is always first out of the jar — deep earthy musk with something overripe and tropical underneath, closer to mango left too long in the sun than to anything green. caryophyllene follows mid-palate, adding a grounding spice. The lab figure on this 86/14 indica is 23% THC, though potency is the least interesting thing about it — plenty of cultivars test the same and taste of very little.
Growing for Aroma Rather Than Weight
The choices that bring out the Myrcene/Caryophyllene/Linalool profile in Mad Scientist are not the choices that maximise yield, and at some point you have to pick one. The aromatic version starts in living soil — microbial activity in an established no-till bed produces secondary metabolites a synthetic feed schedule never will, and South Africa has enough good local compost and worm-casting suppliers to make that affordable rather than aspirational.
Through Approximately 7–9 Weeks, stop foliar spraying after week two: anything that lands on a developing trichome is still there at harvest. The closing three weeks decide which terpenes end up in front — nights held at 16-18°C push myrcene forward, a warmer finish protects the lighter linalool top notes, and you cannot have both. Decide which version of the strain you want before you get there.
Most of the loss happens after the cut. Hang for 10-14 days at 15-18°C and 55-60% humidity, which through a South African summer realistically means a climate-controlled room or a wine fridge set to 16°C. Then jar it and burp twice daily for the first fortnight. The caryophyllene layer that makes this cultivar worth the trouble does not surface until somewhere between day 21 and day 28 in glass.
Difficulty: beginner friendly. In flower for Approximately 7–9 Weeks. Stands 90-120 cm. Medium. Indoors it returns 550 g/m2. Outdoors, 600 grams a plant.
Aroma, Flavour and Effect
The first thing Mad Scientist does at 23% THC is coat the palate with a deep, musky earthiness. The relaxed, sleepy, happy effects follow within minutes, starting as weight behind the eyes and working down through the shoulders and limbs. Fifteen minutes in there is a physical stillness — not sedation so much as a disinclination to get up. Two to three hours at a moderate dose. Caryophyllene sits underneath all of it, adding a grounding warmth that keeps the whole thing anchored.
The Aromatic Three
Leading with Myrcene, then Caryophyllene, and Linalool underneath. This trio turns up repeatedly in cultivars that win things, and it is why a jar of Mad Scientist tends to get a reaction the first time it is opened after curing. Myrcene 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 Mad Scientist? 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 beginner friendly, 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
Reach For It When
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At a Glance
In the Packet
Feminised Premium
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Mad Scientist 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 modern hybrid cross stabilised over four generations of selection. Mad Scientist grows true-to-type with the compact internode spacing that defines the cultivar.
Carry Mad Scientist from F1 cross to F4 production-ready seed stock.
Chosen for resin density, indica-leaning frame and tight internodes that suit indoor production.
Royal King Genetics in-house breeder room — pollen taken from a generation-tracked sibling-male line.