- Median THC
- 18.7%
- Flowering
- 8–9 weeks (~65 days)
- Yield
- Medium
What labs found
- Median THC
- 18.7%
- Typical range
- 12.3–23.7%
- Lab tests
- 85
- States
- 3
0%40%
Flower tested under this name in legal US markets, 2014–2024. The range covers the middle 90% of tests. Growers and labs vary, so a given jar can fall outside it. Data: Jikomes & Zoorob (CC0), Cannabis Wise Guys (CC BY 4.0), Cannlytics (CC BY 4.0).
About Galactic Jack
Galactic Jack is a sativa cross combining Jack Herer and Space Queen. Known for grapefruit, sweet, citrus aromatics.
In grower catalogs and dispensary menus, Galactic Jack is documented as a sativa cross combining Jack Herer and Space Queen. It appears in state compliance flower testing across 3 US markets (WA MD CA) between 2014 and 2024. Rated moderate difficulty for home and commercial cultivators, suited for indoor setups, reaching tall plant height, with medium harvest yields and finishing in 8–9 weeks (~65 days).
Aroma and flavor
Jars of Galactic Jack are most often described as showing tangy ruby grapefruit, warm wildflower honey, bright citrus zest and aromatic sage and herbs. Chemotype data points to earthy, herbal myrcene, crisp, forest-like pinene and bright, citrus-forward limonene as the primary aromatic drivers, with batch-to-batch variation depending on cultivation and curing.
Reported effects
Consumers commonly report clear-headed task focus, an active, energetic lift and warm physical comfort, making Galactic Jack a frequent pick for daytime sessions, creative work, or social settings. The most commonly noted downsides are dry mouth and dry eyes.
Specs
Growing
- Plant height
- Tall
- Difficulty
- Moderate
- Climate
- Indoor
- Grower notes
- Rated moderate difficulty for home and commercial cultivators, suited for indoor setups, reaching tall plant height, with medium harvest yields and finishing in 8–9 weeks (~65 days).
The flower
- Flavour
- Grapefruit, Sweet, Citrus, Herbal
- Aroma
- Tangy ruby grapefruit, warm wildflower honey, bright citrus zest
- Terpenes
- Dominant terpenes: myrcene, pinene, limonene
Family tree
Galactic Jack is reported as Jack Herer × Space Queen.
- Parents
- Grandparents
- As reported, not a genetic test