Runtz Muffin Feminised
A indica testing at 29% THC, Runtz Muffin Feminised is reported euphoric, calm. 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 2026-09-13 on 200 seeds.
About Runtz Muffin Feminised
The way to plan Runtz Muffin is backwards from the day you intend to cut, with 550-650 g/m2 per square metre indoors and 1000 g/plant per plant outdoors as the figures you are working toward, at 29% THC. Count 56-63 days back from that date and you have your flip date. Most of the final weight lands between weeks 5 and 8, when calyxes stack fastest and trichome cover goes from patchy to complete. Outdoors in the Southern Hemisphere you want that fattening phase falling in February while the days are still long, which puts a late-March cut about right for most of the country.
The Aromatic Three
Leading with Caryophyllene, then Myrcene, and Bisabolol underneath.
Difficulty: easy. In flower for 56-63 days. Stands 100-120 cm. Indoors it returns 550-650 g/m2. Outdoors, 1000 g/plant a plant.
Effects
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Strain Type
At a Glance
In the Packet
Feminised Premium
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Runtz Muffin 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.
The Runtz Muffin hybrid sits in the middle of the modern dispensary lineage. Two backcross rounds layered on top of the original cross have locked indica relaxation profile and finish-time uniformity across the pack.
Carry a clone-derived 2018-2022 hype-era hybrid through to a stable seed pack.
Chosen for trichome coverage, stout structure and consistent flowering time across the pack.
Royal King Genetics breeding facility — pollen from internally selected sibling males of the recurrent parent.