Seeds
Old Growth OG Feminized Seeds
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SKU: HUMB-OGO-F
Indica-dominant strain with fuel terps. to burn.
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Flowering Type
Photoperiod
Parental lines
Chem Dog x OG Kush
THC content
Information not available
CBD content
Information not available
Photoperiod flowering time
8 to 10 weeks
Yield indoor
Information not available
Plant size
Information not available
Suitable climates
Cool, Dry, High altitude, Hot, Warm
Aroma
FruityPiney
Parental lines
Chem DogOG Kush
Indica-dominant strain with fuel terps. to burn.
Old Growth OG Feminised is a 75% indica hybrid strain bred by crossing ChemDog with OG Kush. This strain was named after California's giant redwood trees.
Indoor flowering time is 60 days. Harvest for outdoor-cultivated crops in the northern hemisphere is October 1st - 15th.
Old Growth OG produces extremely fuel-heavy terpenes with added lemon and pine. The terpenes induce an amazing lung expansion effect on the exhale.
Brand/breeder
Parental lines
Chem Dog x OG Kush
Variety
Indica dominant
Flowering type
Photoperiod
Sex
Feminised
Photoperiod flowering time
8 to 10 weeks
Northern hemisphere harvest
October
Suitable climates
Cool, Dry, High altitude, Hot, Warm
Aroma
Fruity, Piney
SKU
HUMB-OGO-F
Photoperiod outdoor timeline
Photoperiod strains rely on seasonal daylight changes, so harvest timing is closely tied to your local climate.
Stage 1
Germination / Early Start
March – April
Wait for: frost risk easing, stronger spring light
Watch for: cold snaps, slow starts, excess moisture
Stage 2
Seedling / Transplant
April – May
Wait for: milder nights and settled weather
Watch for: transplant shock, wind exposure, pests
Stage 3
Vegetative Growth
June – July
Wait for: long days, regular feeding, healthy expansion
Watch for: overcrowding, nutrient issues, insect damage
Stage 4
Flowering
August – September
Wait for: shortening days, dry airflow, branch support
Watch for: mould, botrytis, high humidity, bad weather
Stage 5
Harvest
Late September – October
Wait for: ripe trichomes, dense finished flowers
Watch for: autumn rain, rot, early frosts
Indoor photoperiod timeline
Photoperiod strains give indoor growers more control over size, shape, and when flowering begins.
Week 0
Germination
Strong early establishment
Wait for: strong early establishment
Watch for: inconsistent starts, excess moisture
Week 1–2
Seedling
Stable structure and healthy growth
Wait for: stable structure and healthy growth
Watch for: stretch, early stress
Week 3–6+
Vegetative Growth
Desired plant size and canopy shape
Wait for: desired plant size and canopy shape
Watch for: overcrowding, uneven growth, training stress
7–12+ weeks
Flowering Phase
Strong flower formation and steady development
Wait for: strong flower formation and steady development
Watch for: humidity, airflow, support issues
Harvest
Harvest Window
Finished flowers and mature trichomes
Wait for: finished flowers and mature trichomes
Watch for: cutting too early or pushing too long
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