Seeds
Old Growth OG Regular Seeds - 10
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SKU: HUMB-OGO-10-R
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 Regular is a 75% indica hybrid strain that was bred by crossing ChemDog with OG Kush. Old Growth OG 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 a pronounced lung expansion effect on the exhale.
Brand/breeder
Parental lines
Chem Dog x OG Kush
Variety
Indica dominant
Flowering type
Photoperiod
Sex
Regular
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-10-R
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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