Seeds
Galactic Jack Regular Seeds
SKU: TGA-GJ
TGA Subcool tribute to Jack Herer
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Flowering Type
Photoperiod
Parental lines
Jack Herer x Space Queen
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Autoflowering seed to harvest time
Information not available
Yield indoor
Information not available
Plant size
Information not available
Suitable climates
Humid, Warm
From the breeder
TGA Subcool tribute to Jack Herer
Subcool Seeds breeder notesParental lines
Jack HererSpace Queen
TGA Subcool tribute to Jack Herer
This sativa hybrid is truly a special plant to the TGA family. It's their way of passing on, not only a great genetic, but also the memory of an even greater activist to our community, the late Jack Herer. The mother plant, Jack Herer was gifted back to the Herer family after his passing in late 2010 through Subcool.
Galatic Jack itself is a very sativa dominant strain with vigor and a large stretch when turned over to its 12/12 light cycle. There are four main phenotypes, one of which tends to be a bit haze dominant, while the other three resemble more of the mother Jack Herer. It has citrus, grapefruit and sweet lemonade aromas.Galactic Jack has a light, energetic effect and a clear head.
Brand/breeder
Subcool Seeds
Parental lines
Jack Herer x Space Queen
Flowering type
Photoperiod
Sex
Regular
THC content
High THC (16-24%)
CBD content
Low CBD (0-1%)
Suitable climates
Humid, Warm
SKU
TGA-GJ
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
