Master OG by Cabin Fever

Master OG strain photo
Type mostly indicaFlower ±63 daysCross Masterkush × Empress Kush

Master OG is an indica-leaning cannabis strain from Cabin Fever, bred by crossing Masterkush × Empress Kush. Indoors it typically finishes flowering in around 63 days after the flip to 12/12. The environment targets below are the same stage-by-stage bands the Cultivar journal grades real Master OG grows against.

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BreederCabin Fever
Typemostly indica
Flowering time±63 days
EnvironmentOutdoors
LineageMasterkush × Empress Kush

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🧬 Explore the family: Masterkush · Empress Kush

Ancestry Pedigree

Masterkush
Dutch Passion
Masterkush
Homegrown Fantaseeds
Hindu Kush Indica
Original Strains
Empress Kush
Unknown or Legendary
ChemD
Unknown or Legendary
Chem Dawg
Unknown or Legendary
Indica
Original Strains
Emperor OG Kush
Loompa Farms
OG Kush
Clone Only Strains
Thailand Sativa
Original Strains
Chem Dawg
Unknown or Legendary
Underdawg
Loompa Farms
Original Diesel
Unknown or Legendary
MassSuperSkunk
Unknown or Legendary
Super Skunk
Sensi Seeds
Skunk Nr1
Sensi Seeds
Skunk Nr1
The Seed Bank
Skunk Nr1
Cultivators Choice
Afghanistan Indica
Original Strains
Mexico Sativa
Original Strains
Colombia Sativa
Original Strains
Afghanistan Indica
Original Strains
Chem Dawg
Unknown or Legendary

Growing Master OG: what to expect

As an indica-leaning plant, expect a modest stretch after the flip (roughly 50–100%) and dense bud structure — which makes late-flower humidity discipline the main risk: keep RH in the 40s once buds fatten to stay ahead of mold. Growers familiar with Masterkush or Empress Kush 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.

Master OG FAQ

How long does Master OG take to flower?

Master OG typically flowers in around 63 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Master OG an indica or a sativa?

Master OG is listed as mostly indica.

What are the parents of Master OG?

Master OG was bred from Masterkush × Empress Kush by Cabin Fever.

What environment does Master OG 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 Master OG? 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.