Fire OG
The strongest of the OG family — named for its fire-red hairs and searing potency. Considered the best OG cut by many connoisseurs.
- Type
- Hybrid
- Lineage
- OG Kush × SFV OG Kush
- THC
- 20–25%
- CBD
- <1%
- Flower time
- 9–10 wks
- Yield
- Moderate
- Height
- Medium
- Grow difficulty
- Advanced
- Climate
- Indoor
Effects
Flavors & aroma
Dominant terpenes
Myrcene
Earthy, musky, ripe fruitThe most common cannabis terpene; associated with relaxing, heavy 'couch' character.
Limonene
Bright citrus, lemon, orangeAssociated with uplifted, stress-relieving character.
Caryophyllene
Black pepper, spice, woodThe only terpene that also binds cannabinoid receptors; peppery and warming.
Grower's notes
Demanding grower — sensitive to pH swings, wants precise feeding, and stretches hard in early flower. Worth the effort for the premium quality. Support branches in late flower.
Grow guides for Fire OG
Matched to this strain's advanced difficulty, indoor climate, and medium structure.
Setting Up the Space: Ventilation, Odor & Electrical Safety
8 min read
Grow Light Basics: Distance, Intensity, and Not Cooking Your Plants
8 min read
Low-Stress Training: Double Your Canopy Without Cutting
10 min read · members
When to Defoliate Cannabis: The Timing That Makes or Breaks It
5 min read
Pest Control: Mites, Gnats & Powdery Mildew
10 min read · members
Transplanting Cannabis — When, Why, and How to Pot Up
7 min read
Watering in Flower: Frequency, Runoff, and the Dry-Back Cycle
7 min read
LED Grow Light Mastery: PPFD Maps, Spectrum Tuning, and DLI Optimization
11 min read · members
Late Flower and Ripening: Weeks 7–10 and the Finish Line
9 min read · members
Supercropping: The High-Stress Technique That Builds Bigger Branches
7 min read · members
Feeding in Flower: The Week-by-Week Nutrient Strategy
9 min read · members
Environmental Controllers: Automating Temperature, Humidity, and CO₂
9 min read · members
Micro Growing: Big Results in Tiny Spaces
8 min read
Cal-Mag: When You Need It, When You Don't, and How Much to Use
7 min read
EC and PPM: Measuring Nutrient Strength the Right Way
6 min read
When to Harvest: Reading Trichomes Like a Grower
6 min read
Drying & Curing: Where Good Grows Become Great
9 min read · members
Educational profile · data varies by phenotype & grow · not medical advice · all strains