THC
15.9–20.3%
Middle half of 8 lab tests · median 18.66%
CBD
0.2%
Middle half of 7 lab tests · median 0.11%
Genetics Split
Galactic Jack is a sativa-dominant hybrid by SinCity Seeds with a sweet citrus flavor that delivers a strong energetic effect.
Lab-Tested Profile
Measured in 8 flower lab tests of samples sold as Galactic Jack by Analytical360, PSI Labs, 2013–2016. Bar = middle half of results, tick = median.
Terpenes by weight · total 1.4% median
Lab results reflect the samples submitted under this name; batches, growers and phenotypes vary.
Terpene Profile
Relative levels from lab and source data.
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Terpene Fingerprint
Relative terpene levels from lab and source data
THC in this profile
20.3% THC
Growing Information
Flowering Time
9–11 weeks
Difficulty
moderate
Height (Indoor)
100-150cm
Yield (Indoor)
400-600 g/m²
About Galactic Jack
With a genetic makeup of 70% sativa and 30% indica, this hybrid is a cross between Jack Herer and Space Queen. Sincity Seeds offers a version that tests at 21% to 23% THC. In the grow room, it presents a moderate difficulty, reaching heights of 100 to 150 centimeters and yielding between 400 and 600 grams per square meter over a nine to eleven-week flowering cycle. The primary effect associated with this strain is energetic, making it a popular choice for those dealing with depression, stress, and pain. Its flavor profile is sweet and citrusy, backed by a terpene blend of myrcene, limonene, caryophyllene, and humulene.
Where to Buy Seeds
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Bred from Galactic Jack
1 cross in our database list Galactic Jack as a parent.
Frequently Asked Questions about Galactic Jack
Is Galactic Jack an Indica, Sativa, or Hybrid?
Galactic Jack is classified as a hybrid cannabis strain bred from a genetic cross of Jack Herer × Space Queen.
What cannabinoid content is reported for Galactic Jack?
Galactic Jack: 18.7% THC and 0.2% CBD reported in our data. The THC figure is a lab-test median. Potency can vary across harvests, phenotypes, and growing conditions.
What are the common effects of Galactic Jack?
Our data sources report these effects for Galactic Jack: energetic. Individual experiences vary.
What does Galactic Jack taste and smell like?
Our data sources list flavors of citrus, sweet and terpenes such as Bisabolol, Caryophyllene, Humulene for Galactic Jack.
If You Like Galactic Jack, Try...
Shared reported terpene or flavor notes; effects may differ
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