The Official Cannabis Independent strain guides
The Official Cannabis collection · sheet 19No 19 · GSCvs Blue Dream

Comparison

GSC (Girl Scout Cookies) vs Blue Dream

Leafly calls Blue Dream a Blueberry × Haze hybrid; it is used here as a classic-hybrid reference. Blue Dream has a close to GSC’s median in the same state-lab dataset: 19.96% versus 19.72% total THC.1,2

Side by side

GSCBlue Dream
TypeHybrid; source labels disagree about the lean.3,4,5Sativa-dominant hybrid.2
LineageOG Kush × F1 Durb in the primary account; the Durban Poison connection is disputed.3,4,6Blueberry × Haze.2
Median THC (state lab tests)19.72% (567 tests)119.96% (2,118 tests)1
Middle half of THC results17.80%–21.92%117.62%–22.37%1
Top terpenes (median)β-Caryophyllene, Limonene, α-Humulene (158 tests)1β-Myrcene, α-Pinene, β-Caryophyllene (483 tests)1
Leafly top reported effectsRelaxed, hungry, happy in Leafly’s user reports.3Creative, euphoric, happy.2
Leafly top flavorsMint, sweet, earthy in Leafly’s user reports.3Berry, blueberry, sweet.2
Flowering panelAbout 9–10 weeks on Leafly’s panel; Weedmaps says roughly 62–71 days.3,4Average 67 days on Leafly’s grow panel.2

Lab rows come from the same state lab dataset and matching rules for both strains.1

Lab-tested THC: GSC 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 GSC GSC: median 19.72%, middle half 17.80%–21.92%, 567 tests 19.7% n=567 Median total THC (dot) and middle half of tests (bar)
Median and middle half of total THC in state lab tests.1

A non-family reference

The comparison is intentionally not a lineage claim: Leafly gives Blue Dream a Blueberry × Haze origin and GSC an OG Kush × F1 Durb account. Their rows use the same project lab method, while their family context remains separate.1,2,3

Store listings in two markets

In Weedmaps snapshots from Oct 5, 2026 (GSC) and Oct 3, 2026 (Blue Dream), 71 stores within 50 miles of Los Angeles listed GSC flower on Weedmaps, against 293 stores for Blue Dream; around New York the counts were 54 and 129.7

More comparisons

Sources

  1. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 5, 2026.
  2. Leafly, Blue Dream strain information. Accessed Oct 5, 2026.
  3. Leafly, GSC aka Girl Scout Cookies strain information. Accessed Oct 5, 2026.
  4. Weedmaps, GSC strain page. Accessed Oct 5, 2026.
  5. AllBud, Girl Scout Cookies marijuana strain information and reviews. Accessed Oct 5, 2026.
  6. Leafly, Just desserts: the Cookies and Cakes family genealogy (David Downs) (2021-04-15). Accessed Oct 5, 2026.
  7. Weedmaps listings, compiled by Official Cannabis, Weedmaps flower menu snapshot, 27 US markets, Oct 5, 2026. Accessed Oct 5, 2026.