C4 Auto (FastBuds) Feminized

Three Pillars of Cannabis History in One Auto

C4 Auto brings together three of the most influential strains in cannabis history. FastBuds crossed White Widow, Skunk, and Big Bud with ruderalis to build this feminized autoflower, and each parent pulls its weight. White Widow brings the resin density and potency foundation. Skunk adds structure and a punchy hybrid character. Big Bud is where the yield ceiling comes from. Ruderalis drives the automatic flowering, cutting the cycle down to 8 weeks from seed to harvest. THC sits at 16%, with a notable 1.1% CBD alongside it, a cannabinoid profile that gives the effects more range than a single-number read suggests. The result is a balanced hybrid with classic bones.

Compact Plant, Serious Output

C4 Auto tops out at 90-120cm indoors, manageable in any standard tent without aggressive canopy work. LST is optional at this height, though the plant responds well to it if you want to spread the canopy and push yields further. Indoor output runs 450-600g/m², which is high for an auto of this size. Outdoors, expect 50-350g per plant depending on conditions. Light-cycle independence means no schedule changes to trigger flowering, which also makes it a practical choice for short-summer climates where a photoperiod strain simply wouldn't finish in time. The 8-week seed-to-harvest timeline fits comfortably into a single season or lets indoor growers run multiple cycles per year.

Clear Head, Easy Body

The effects lean cerebral first, an engaged, clear-headed quality that doesn't cloud thinking, before settling into physical relaxation. The 1.1% CBD softens the edges of the 16% THC, making the experience evening-leaning without tipping into heavy sedation. Earthy, peppery, and herbal undertones come through in the smoke. It's not a couch-lock strain, but it's not a morning pick-me-up either, the sweet spot is late afternoon or a relaxed evening. Compared to a pure THC auto at similar potency, the CBD content here adds a noticeable smoothness to the ride.

C4 Auto (FastBuds) Feminized data sheet

Brand	Fastbuds
Suitable for	Indoor, Outdoor
Grow difficulty	Easy
Genetics	45% Indica / 55% Sativa
THC	20%
CBD	1%
CBD:THC	1 : 19
Flowering Type	Autoflowering
Sex	Feminized
Flowering Time	9-10 weeks from seed to harvest
Height (Indoor)	100cm
Height (Outdoor)	100cm
Yield (Indoor)	Up to 650 gr/m²
Yield (Outdoor)	Up to 200 gr/plant
Available as	Feminized seeds
Effects	Relaxing, Cerebral