The Official Cannabis Independent strain guides
Trainwreck No 76 Shop
The Official Cannabis collection · sheet 76No 76 · Trainwreckvs Blue Dream

Comparison

Trainwreck vs Blue Dream

Both are associated with California in source accounts, but their reported parents differ: Trainwreck is Mexican/Thai/Afghani and Blue Dream is Blueberry × Haze.1,2 The state-lab medians are 18.65% for Trainwreck and 19.96% for Blue Dream.3

Side by side

TrainwreckBlue Dream
TypeHybrid1Sativa-dominant hybrid2
LineageMexican and Thai sativas × Afghani indica1,4,5Blueberry × Haze2
Median THC (state lab tests)18.65% (248 tests)319.96% (2,118 tests)3
Middle half of THC results16.67%–21.42%317.62%–22.37%3
Top terpenes (median)Terpinolene, β-Caryophyllene, β-Myrcene (139 tests)3β-Myrcene, α-Pinene, β-Caryophyllene (483 tests)3
Leafly top effectsEuphoric, uplifted, creative (Leafly reports)1Creative, euphoric, happy2
Flavor (Leafly)Pine, earthy, woody (Leafly lists)1Berry, blueberry, sweet2
FloweringAbout 8 weeks indoors (Leafly); 8–10 weeks (Weedmaps)1,5Average 67 days2

Lab rows come from the same state lab dataset and matching rules for both strains.3

Lab-tested THC: Trainwreck vs Blue Dream

16% 18% 20% 22% 24% Blue Dream Blue Dream: median 19.96%, middle half 17.62%–22.37%, 2,118 tests 20.0% n=2,118 Trainwreck Trainwreck: median 18.65%, middle half 16.67%–21.42%, 248 tests 18.6% n=248 Median total THC (dot) and middle half of tests (bar)
Median and middle half of total THC in state lab tests.3

Shared region, different reported family

Leafly calls Blue Dream a California sativa-dominant Blueberry × Haze hybrid, while Trainwreck’s Northern California placement is an attributed origin story with a different reported three-way lineage.1,2,5 Blue Dream has its own Official Cannabis guide at bluedream.com.2

Which is easier to find

In Weedmaps snapshots from Oct 5, 2026 (Trainwreck) and Oct 3, 2026 (Blue Dream), 26 stores within 50 miles of Los Angeles listed Trainwreck flower on Weedmaps, against 293 stores for Blue Dream; around New York the counts were 30 and 129.6

More comparisons

Sources

  1. Leafly, Trainwreck strain. Accessed Oct 5, 2026.
  2. Leafly, Blue Dream strain. Accessed Oct 5, 2026.
  3. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 5, 2026.
  4. AllBud, Trainwreck Marijuana Strain. Accessed Oct 5, 2026.
  5. Weedmaps, Trainwreck strain page. Accessed Oct 5, 2026.
  6. Weedmaps listings, compiled by Official Cannabis, Weedmaps flower menu snapshot, 27 US markets, Oct 5, 2026. Accessed Oct 5, 2026.