RK
Jack Herer cannabis seeds packaging β€” Royal King Seeds South Africa
Hybrid
THC 18%
πŸ”₯ Well Known
HybridFeminisedIn Stock

Jack Herer Feminised

Buy Jack Herer Feminised seeds in South Africa. Hybrid Β· 18% THC Β· focused, energetic. Every figure on this page is sourced, and every order ships unbranded.

Select Pack Size
R169.22ZAR
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 2026-09-20 on 175 seeds.

Germination rate: 99.0% (n=175)
Last QC test date: 2026-09-20
Indoor yield: 441-580 g/mΒ² (avg across 13 verified grower reports)
Outdoor yield: 531-868 g/plant (avg across 8 verified grower reports)

About Jack Herer Feminised

The way to plan Jack Herer is backwards from the day you intend to cut, with 500-600g/mΒ² per square metre indoors and 120 - 200 g/plant per plant outdoors as the figures you are working toward, at 18% THC. Count 10 to 12 weeks back from that date and you have your flip date. Weight comes on evenly across 10 to 12 weeks, with a late surge that punishes impatience. The 45/55 balance gives you stacking density and broad trichome cover together. Outdoors, late March to late April is the sweet spot β€” after the summer humidity has broken, before the first Highveld frost.

The Aromatic Three

Leading with Myrcene, then Limonene, and Pinene underneath.

Difficulty: medium. In flower for 10 to 12 weeks. Stands Medium. Indoors it returns 500-600g/mΒ². Outdoors, 120 - 200 g/plant a plant.

Effects

🧠Focused
πŸ€‘Energetic

Reach For It When

✦ Anytime
✦ Relaxation
✦ Stress Relief

Strain Type

Indica 45%Sativa 55%

At a Glance

🧬Potency18% - 23% (Medium-High)
🌿ParentsHaze Γ— Northern Lights #5 Γ— Shiva Skunk
πŸ”¬Seed TypeFeminised Hybrid
🌑SuitsMost of the country
πŸ“…Cut InMarch – May outdoors, planted Sept – Nov
πŸ“Grows ToMedium
βš–οΈTypical ReturnHigh
🏠Under Light500-600g/m²
🌳In the Ground120 - 200 g/plant
⏱Weeks in Bloom10 to 12 weeks

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
Jack Herer 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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Jack Herer 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
F5 IBL
Generations
5+
Breeding Programme
Inbred Line (IBL) β€” multi-generation inbred selection
Stabilisation Notes β€” What This Means for Your Grow

A heritage cultivar that we have taken through five rounds of inbred selection. The late-1990s legacy reference profile β€” terpene fingerprint, finishing window, plant frame β€” has been welded into the population. Every seed in the pack carries the trait set that put Jack Herer on the map.

Breeding Goal

Bring the original Jack Herer reference profile back to true-to-type seed stock.

Selection Focus

Chosen for balanced indica/sativa expression, terpene fidelity and pack-to-pack uniformity.

Pollen / Mother Source

Royal King Genetics breeding facility β€” pollen from internally selected sibling males of the recurrent parent.

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