Slush Mint Cake
Same genetics, potency and flowering window. Indica · 23–27% THC · 8–9 weeks
View strainGG4 Auto F6 × Bruce Banner Auto F5 × Sour Diesel Auto F5 polyhybrid · Bred by Fast Buds

Not an actual strain
Fast Buds' Frostbanger Auto is a compact resin-loaded powerhouse — a three-way polyhybrid of GG4 Auto F6, Bruce Banner Auto F5, and Sour Diesel Auto F5. The stabilized F3 edition builds on the strength of the lineage, delivering tighter bud structure, heavier yields, and exceptional trichome density, all in an easy-to-manage plant ideal for small spaces.
She grows short, sturdy, and vigorous, producing rock-solid heavily frosted buds that stack tightly and trim effortlessly. Despite its compact size, Frostbanger Auto delivers impressive yields with minimal work — a standout choice for growers wanting maximum returns in limited space. The aroma is loud and unmistakable: a pungent mix of spicy, frosty, sweet cream and slightly sour notes that fills the space quickly, so carbon filters are highly recommended. With potency approaching 30%, the effect is fast-acting and deeply relaxing. A warm uplifting onset quickly settles into full-body calm, ideal for evening sessions, unwinding, or easing tension after a long day. The terpene profile makes it a favorite among extractors, offering rich flavor and thick smooth vapor.
Frostbanger Auto is a top choice for resin hunters, flavor chasers, and anyone looking for a compact autoflower that punches far above its size: strong, frosty, and built to perform. 2026 Update: The newest F4 generation comes much more stable, shows better structure, offers more frost, terpenes, and sugar. Fast Buds has locked 2 impressive phenotypes — one dark, almost black, and another white that stays more true to the original expression.
Each of the three parents brings something. GG4 brings the sticky resin, Bruce Banner the size and strength of its OG and Diesel ancestry, and Sour Diesel the sour, fuel edge in the nose. Caryophyllene leads the terpenes and gives the sweet cream a peppery backbone.
At 70 to 120 cm indoors it is built for small spaces. Run it on 18/6 or 20/4 from seed to harvest, skip topping, and use gentle bending in the first weeks to open up the middle. The buds stack so tightly that air barely moves through them. That makes trimming easy and mould a real risk, so drop the humidity once the buds fatten and keep a fan running. Expect nine to ten weeks from sprout. The dark phenotype holds its colour better with slightly cooler nights in the final weeks.
Same genetics, potency and flowering window. Indica · 23–27% THC · 8–9 weeks
View strainSame genetics, potency and flowering window. Indica · 20–27% THC · 8–9 weeks
View strainSame genetics, potency and flowering window. Indica · 26–28% THC · 55–60 days
View strainAdd Frostbanger Auto to your calendar — flowering time, height, and yield data auto-filled.