- Median THC
- 18.8%
- Flowering
- 11–12 weeks (~82 days)
- Yield
- High
What labs found
- Median THC
- 18.8%
- Typical range
- 12.2–23.6%
- Lab tests
- 207
- States
- 6
0%40%
Flower tested under this name in legal US markets, 2014–2025. 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 G13
G13 comes with a famous story about a government research program in Mississippi, and that story has never been verified.
Aroma and flavor
Reported as earth and pine with mild sweetness.
Specs
Genetics
- Also known as
- G-13, G Thirteen
Growing
- Plant height
- Medium
- Difficulty
- Moderate
- Grower notes
- Rated moderate difficulty for home and commercial cultivators, reaching medium plant height, with high harvest yields and finishing in 11–12 weeks (~82 days).
The flower
- Flavour
- Earthy, Pine, Woody, Sweet
- Aroma
- Earthy, soil-like depth, crisp conifer pine, dry cedar and wood
Family tree
18 strains here were bred from it. Showing the 10 most popular below.
- Parents
- Bred from it
- As reported, not a genetic test
Showing the 10 most popular of 18 strains bred from G13. View all 18 in the full family tree →