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The Official Cannabis collection · sheet 03No 03 · Purple UrkleTHC & terpenes

Lab data

Purple Urkle potency: THC and CBD from 35 lab tests

In only 35 state lab tests, a small sample, Purple Urkle flower had a median total THC of 19.00%, with the middle half of results between 15.98% and 22.42%.1 CBD is negligible, and none of the 35 matched tests report individual terpene values, so there is no lab terpene profile to show.1

Small sample: only 35 matched tests. Treat the figures on this page as indicative, not definitive.1

19.00%median total THC (small sample)
15.98%–22.42%middle half
14.26%–24.68%middle 80%
8.6%of tests at 25% THC or more
35tests · 10 labs

THC distribution

Total THC across 35 tests

0 10 2–3% THC: 0 tests 3–4% THC: 0 tests 4–5% THC: 0 tests 5–6% THC: 0 tests 6–7% THC: 0 tests 7–8% THC: 1 tests 8–9% THC: 0 tests 9–10% THC: 0 tests 10–11% THC: 0 tests 11–12% THC: 1 tests 12–13% THC: 1 tests 13–14% THC: 1 tests 14–15% THC: 1 tests 15–16% THC: 5 tests 16–17% THC: 1 tests 17–18% THC: 1 tests 18–19% THC: 5 tests 19–20% THC: 3 tests 20–21% THC: 3 tests 21–22% THC: 2 tests 22–23% THC: 2 tests 23–24% THC: 3 tests 24–25% THC: 2 tests 25–26% THC: 1 tests 26–27% THC: 1 tests 27–28% THC: 1 tests 28–29% THC: 0 tests 29–30% THC: 0 tests 30–31% THC: 0 tests 31–32% THC: 0 tests 32–33% THC: 0 tests 33–34% THC: 0 tests 34–35% THC: 0 tests 35–36% THC: 0 tests 4%8%12%16%20%24%28%32%36% median 19.00% Total THC, % by weight
One-point THC bands; shaded: middle half of results. 35 flower tests, 2016-09-30 to 2023-08-10.1

THC by year

Too few tests per year to show a trend: no year has 20 or more tests (2016: 1, 2018: 2, 2019: 7, 2020: 2, 2021: 9, 2022: 9, 2023: 5).1

THC by state

StateTestsMedian THC
Washington2320.40%

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

Terpene profile

None of the 35 matched tests report individual terpene values (the labs and states in this sample report none or only a total), so there is no terpene profile to show.1

How Purple Urkle compares

Lab-tested THC across 17 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 Purple Urkle Purple Urkle: median 19.00%, middle half 15.98%–22.42%, 35 tests 19.0% n=35 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 19%, AllBud 18–21% and Weedmaps 18–26%.2,3,4 Seed sellers advertise 20% (Zamnesia, Pyramid Seeds) to 22% (United Cannabis Seeds, Homegrown Cannabis Co.).5,6,7,8 In our small sample of state lab results, 90% of tests came in below 24.68% and 8.6% reached 25% or more, so the top of the Weedmaps range describes unusual flower rather than typical flower.1

Download the data

The 35 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 thin: WA (23), MI (8), CA (2), HI (1), MA (1). Only WA has 10 or more tests. Oregon and Rhode Island results carry no product names and could not be matched.
  • A few sources dominate. The tests come from 10 labs, none with more than 26.5% of them, but one producer accounts for 51.9% of the 27 tests that name a producer.
  • No terpene data: none of the 35 matched tests report individual terpene values. Washington, Michigan and Hawaii data carry no terpene values, and the 3 California and Massachusetts results in this sample carry none either.
  • We matched names strictly and counted both spellings: crosses and near-miss names (for example "Mendocino Purple Urkle") are excluded and counted, and 2 duplicate certificates were removed.

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, Purple Urkle strain information. Accessed Oct 3, 2026.
  3. AllBud, Purple Urkle marijuana strain information and reviews. Accessed Oct 3, 2026.
  4. Weedmaps, Purple Urkle strain page. Accessed Oct 3, 2026.
  5. SeedFinder, Purple Urkle (Zamnesia). Accessed Oct 3, 2026.
  6. SeedFinder, Purple Urkle (Pyramid Seeds). Accessed Oct 3, 2026.
  7. SeedFinder, Purple Urkle (United Cannabis Seeds). Accessed Oct 3, 2026.
  8. Leafly, Eric Brandstad's Purple Urkle feminized (Homegrown Cannabis Co. listing). Accessed Oct 3, 2026.