Original Auto Critical by FastBuds

Original Auto Critical strain photo
Type ruderalis/indica/sativa · autoFlower ±70 daysCross Critical Mass × Ruderalis

Original Auto Critical is an autoflowering cannabis strain from FastBuds, bred by crossing Critical Mass × Ruderalis. Indoors it typically finishes flowering in around 70 days from sprout. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Original Auto Critical grows against.

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BreederFastBuds
Typeruderalis/indica/sativa
Flowering time±70 days
EnvironmentOutdoors
LineageCritical Mass × Ruderalis

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Autoflower note: runs on age, not light schedule — see the week-by-week autoflower schedule.

🧬 Explore the family: Critical Mass · Ruderalis

Ancestry Pedigree

Critical Mass
Mr Nice Seedbank
Afghanistan Indica
Original Strains
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Colombia Sativa
Original Strains
Ruderalis
Original Strains

Growing Original Auto Critical: what to expect

Because Original Auto Critical is an autoflower it runs on age, not photoperiod: keep it under 18–20 hours of light from sprout to harvest, start in its final pot, and go easy on training after week 3 — autos never pause to recover. Growers familiar with Critical Mass or Ruderalis will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.

Original Auto Critical FAQ

How long does Original Auto Critical take to flower?

Original Auto Critical typically flowers in around 70 days from sprout (autoflower — no light-schedule flip needed). Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Original Auto Critical an indica or a sativa?

Original Auto Critical is listed as ruderalis/indica/sativa (autoflowering).

What are the parents of Original Auto Critical?

Original Auto Critical was bred from Critical Mass × Ruderalis by FastBuds.

What environment does Original Auto Critical like?

Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.

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Facts compiled from public breeder listings. Growing Original Auto Critical? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.