RK
Fat Nelson cannabis seeds packaging β€” Royal King Seeds South Africa
Sativa
THC 22%
πŸ˜„ Upbeat
SativaFeminisedIn Stock

Fat Nelson Feminised

A sativa testing at 22% THC, Fat Nelson Feminised is reported euphoric, calm. Grown right across the country, from the Cape to the Lowveld. Discreet nationwide delivery and a germination guarantee.

Select Pack Size
R245.45ZAR
1
πŸ‡ΏπŸ‡¦Free South Africa Delivery
🌱Germination Cover
πŸ”’Nothing on the Box
βš—

Royal King Genetics β€” Seed-Lot Testing

Figures below come from our own seed-lot testing rather than breeder marketing, taken from a single batch tested 2026-09-13 on 350 seeds.

Germination rate: 99.3% (n=350)
Last QC test date: 2026-09-13
Indoor yield: 414-556 g/mΒ² (avg across 6 verified grower reports)
Outdoor yield: 524-854 g/plant (avg across 5 verified grower reports)

About Fat Nelson Feminised

Will Fat Nelson handle a South African summer outdoors? Yes. Put this 16/84 sativa in the ground between September and November and you will be cutting from March to May. It will stretch, and it will use every hour of a long summer day, so give it room early rather than trying to contain it later. Bloom runs 70-80 days, placing harvest between March and May across most provinces.

What yield is realistic? up to 450 g/m2 indoors is reachable under decent LED with steady feeding. Outdoors, up to 450 g/plant a plant is normal in 50 litre pots or straight into prepared ground in full sun. At 22% THC with pinene 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.

The Aromatic Three

Leading with Pinene, then Limonene, and Caryophyllene underneath.

Difficulty: intermediate. In flower for 70-80 days. Stands Short. Indoors it returns up to 450 g/m2. Outdoors, up to 450 g/plant a plant.

Effects

πŸ€—Euphoric
🧘Calm

Reach For It When

✦ Daytime
✦ Creative Projects
✦ Social Activities

Strain Type

Indica 16%Sativa 84%

At a Glance

🧬Potency22% - 26% (High)
🌿ParentsSour Willie Γ— Gupta Kush
πŸ”¬Seed TypeFeminised Sativa
🌑SuitsSubtropical coast, long season
πŸ“…Cut InMarch – May outdoors, planted Sept – Nov
πŸ“Grows ToShort
βš–οΈTypical ReturnMedium – High
🏠Under Lightup to 450 g/m2
🌳In the Groundup to 450 g/plant
⏱Weeks in Bloom70-80 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
Fat Nelson Feminised
royalkingseeds.co.za
IG
FB
X
πŸ”’Factory-sealed
πŸ’§Water-resistant outer
πŸ›‘οΈFoil-lined inside
🏷️Tamper sticker
πŸ“±QR check
πŸ”’Scratch-off serial

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Fat Nelson Feminised β€” 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
F3
Generations
3+
Breeding Programme
Royal King Genetics Active Selection β€” F3 in-progress fixing
Stabilisation Notes β€” What This Means for Your Grow

Fat Nelson runs through our F3 programme. Most of the pack expresses the target long-flowering uniformity cleanly; the F3-to-F4 cycle is where we close out the last remaining off-types.

Breeding Goal

Cull off-type phenos in Fat Nelson at F3 to lock the cross profile.

Selection Focus

Chosen for clear-headed terpene expression, structural manageability and a finish that lands inside the published window.

Pollen / Mother Source

Royal King Genetics in-house mother stock β€” pollen taken from a sibling male drawn from the same selected pheno population.

Last Batch QC Verified
12 September 2026Β· 95% germination guarantee