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The Official Cannabis collection · sheet 08No 08 · Green CrackTHC & terpenes

Lab data

Green Crack potency: THC, CBD and terpenes from 1,236 lab tests

In 1,236 state lab tests, Green Crack flower had a median total THC of 19.52%, with the middle half of results between 16.79% and 21.73%.1 CBD is rare, and β-myrcene is the leading terpene.1

19.52%median total THC
16.79%–21.73%middle half
14.39%–23.36%middle 80%
3.3%of tests at 25% THC or more
1,236tests · 37 labs

THC distribution

Total THC across 1,236 tests

0 50 100 150 200 2–3% THC: 4 tests 3–4% THC: 0 tests 4–5% THC: 0 tests 5–6% THC: 1 tests 6–7% THC: 0 tests 7–8% THC: 0 tests 8–9% THC: 0 tests 9–10% THC: 10 tests 10–11% THC: 18 tests 11–12% THC: 27 tests 12–13% THC: 30 tests 13–14% THC: 22 tests 14–15% THC: 38 tests 15–16% THC: 58 tests 16–17% THC: 120 tests 17–18% THC: 113 tests 18–19% THC: 112 tests 19–20% THC: 110 tests 20–21% THC: 172 tests 21–22% THC: 122 tests 22–23% THC: 114 tests 23–24% THC: 81 tests 24–25% THC: 42 tests 25–26% THC: 19 tests 26–27% THC: 14 tests 27–28% THC: 4 tests 28–29% THC: 2 tests 29–30% THC: 1 tests 30–31% THC: 1 tests 31–32% THC: 0 tests 32–33% THC: 0 tests 33–34% THC: 0 tests 34–35% THC: 0 tests 35–36% THC: 1 tests 4%8%12%16%20%24%28%32%36% median 19.52% Total THC, % by weight
One-point THC bands; shaded: middle half of results. 1,236 flower tests, 2015-03-17 to 2024-07-26.1

THC by year

Median total THC by year of testing

14% 16% 18% 20% 22% 2018: 19.01% (271 tests) 19.0 2018 n=271 2019: 19.91% (340 tests) 19.9 2019 n=340 2020: 16.98% (95 tests) 17.0 2020 n=95 2021: 20.00% (102 tests) 20.0 2021 n=102 2022: 19.00% (288 tests) 19.0 2022 n=288 2023: 21.00% (120 tests) 21.0 2023 n=120
Median total THC per year of testing; years with fewer than 20 tests are left out (2015: 6, 2016: 2, 2017: 6, 2024: 4).1

THC by state

StateTestsMedian THC
Washington74820.20%
Maryland21218.14%
Nevada14617.67%
Michigan7219.55%
Hawaii2517.45%
Massachusetts2218.75%

States with at least 10 tests. Labs, testing rules and sampling differ by state, so compare states with care.1

Terpene profile

Green Crack terpenes, median % by weight

β-Myrcene β-Myrcene: 0.33% (n=167) 0.33% n=167 β-Caryophyllene β-Caryophyllene: 0.25% (n=167) 0.25% n=167 α-Humulene α-Humulene: 0.08% (n=167) 0.08% n=167 Limonene Limonene: 0.08% (n=167) 0.08% n=167 Linalool Linalool: 0.07% (n=167) 0.07% n=167 α-Pinene α-Pinene: 0.04% (n=167) 0.04% n=167 β-Pinene β-Pinene: 0.04% (n=158) 0.04% n=158 Ocimene Ocimene: 0.02% (n=21) 0.02% n=21
Median share of each terpene by weight, from 167 tests that report individual terpenes. Median total terpenes: 1.22% (362 tests). Terpinolene had a median of zero: at least half of tests reported none.1

How Green Crack compares

Lab-tested THC across 16 well-known strains

16% 20% 24% Wedding Cake Wedding Cake: median 23.01%, middle half 20.24%–25.70%, 3,085 tests 23.0% n=3,085 Blueberry Blueberry: median 21.91%, middle half 18.40%–25.23%, 411 tests 21.9% n=411 Sour Diesel Sour Diesel: median 21.68%, middle half 19.00%–25.30%, 1,071 tests 21.7% n=1,071 Gelato Gelato: median 21.49%, middle half 18.90%–24.63%, 1,845 tests 21.5% n=1,845 OG Kush OG Kush: median 20.87%, middle half 18.06%–23.36%, 379 tests 20.9% n=379 Super Lemon Haze Super Lemon Haze: median 20.84%, middle half 18.41%–23.48%, 1,543 tests 20.8% n=1,543 Northern Lights Northern Lights: median 20.03%, middle half 17.28%–22.05%, 406 tests 20.0% n=406 Strawberry Cough Strawberry Cough: median 20.00%, middle half 15.88%–23.00%, 231 tests 20.0% n=231 Blue Dream Blue Dream: median 19.96%, middle half 17.62%–22.37%, 2,118 tests 20.0% n=2,118 Pineapple Express Pineapple Express: median 19.80%, middle half 17.54%–21.75%, 461 tests 19.8% n=461 Girl Scout Cookies Girl Scout Cookies: median 19.72%, middle half 17.80%–21.92%, 567 tests 19.7% n=567 Jack Herer Jack Herer: median 19.59%, middle half 17.13%–22.00%, 910 tests 19.6% n=910 Green Crack Green Crack: median 19.52%, middle half 16.79%–21.73%, 1,236 tests 19.5% n=1,236 Durban Poison Durban Poison: median 19.45%, middle half 17.33%–21.99%, 528 tests 19.4% n=528 Trainwreck Trainwreck: median 18.65%, middle half 16.67%–21.42%, 248 tests 18.6% n=248 Granddaddy Purple Granddaddy Purple: median 17.87%, middle half 15.00%–21.55%, 512 tests 17.9% n=512 Median total THC (dot) and middle half of tests (bar)
Every strain processed with the same matching rules from the same dataset.1

How published THC figures compare

Strain databases publish a single figure or a range: Leafly lists 17%, AllBud 15–25% and Weedmaps 13–25%.2,3,4 Seed sellers advertise 18% (Humboldt Seed Organization), 20% (ILGM, and up to 20% for FastBuds' autoflower), 15–20% with up to about 25% in top phenotypes (DNA Genetics) and 22% (Crop King Seeds).5,6,7,8,9 In state lab results, 90% of Green Crack flower tested below 23.36% and 3.3% reached 25% or more, so the 25% figures describe the top end of the range rather than typical flower.1

Download the data

The 1,236 matched tests behind this page, one row per test: state, test date, lab, product name, product type, total THC, total CBD and terpenes.

Download CSV Read the methodology

License: CC BY 4.0. Credit: “Source: Cannlytics, cannabis_results (CC BY 4.0), analysis by Official Cannabis.” The data were filtered and aggregated from the original.

Limits of this data

  • Coverage is uneven: WA (748), MD (212), NV (146) and MI (72) supply most tests, and WA alone supplies 60.5%. Oregon and Rhode Island results carry no product names and could not be matched.
  • Some labs report higher THC than others, so we publish medians and middle ranges rather than maxima. No single lab accounts for more than 23.5% of these tests (37 labs in total).
  • Terpene medians come from 167 tests with individual terpene values, 146 of them from Nevada labs. Maryland reports only total terpenes, and Washington, Michigan and Hawaii report none.
  • We matched names strictly: Green Crush and Green Cush count as Green Crack, while crosses, CBD versions and other near-miss names are excluded and counted, and duplicate certificates are removed. In Washington a test counts only when both the strain field and the product name say Green Crack; 815 uncorroborated flower rows were left out.

Sources

  1. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 3, 2026.
  2. Leafly, Green Crack strain information. Accessed Oct 3, 2026.
  3. AllBud, Green Crack marijuana strain information and reviews. Accessed Oct 3, 2026.
  4. Weedmaps, Green Crack strain page. Accessed Oct 3, 2026.
  5. Humboldt Seed Organization, Green Crack (feminized seeds). Accessed Oct 3, 2026.
  6. ILGM, Green Crack feminized seeds. Accessed Oct 3, 2026.
  7. FastBuds, Green Crack Auto. Accessed Oct 3, 2026.
  8. DNA Genetics, Green Crack cannabis strain. Accessed Oct 3, 2026.
  9. Crop King Seeds, Green Crack feminized marijuana seeds. Accessed Oct 3, 2026.