The Official Cannabis Independent strain guides
G13 Haze No 13 Shop
The Official Cannabis collection · sheet 13No 13 · G13 Hazevs Blue Dream

Comparison

G13 Haze vs Blue Dream

Both are sativa-dominant hybrids with a Haze parent, but Blue Dream, a Blueberry × Haze hybrid from California, was the #1 strain in Leafly’s 2025 dispensary orders, while G13 Haze is a seed-catalog strain few stores carry.1,2 Blue Dream tests about the same in state labs: 19.96% median THC across 2,118 tests, against 20.30% for G13 Haze from only 14 tests, a small sample.3

Side by side

G13 HazeBlue Dream
TypeSativa-dominant hybrid; 80/20 per Barney’s Farm4,5Sativa-dominant hybrid1
LineageG13 × Hawaiian Sativa (Barney’s Farm); G13 × Haze (Leafly)4,6Blueberry × Haze1
Median THC (state lab tests)20.30% (14 tests); small sample19.96% (2,118 tests)
Middle half of THC results19.98%–21.86%17.62%–22.37%
Top terpenes (median)Too few tests for a profile (2 of 14 with terpene values)β-Myrcene, α-Pinene, β-Caryophyllene (483 tests)
Leafly top effectsEuphoric, happy, giggly6Creative, euphoric, happy1
FlavorPepper, pine, sage6Berry, blueberry, sweet1
Leafly orders, 2025Not in the top eight2#12

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

Lab-tested THC: G13 Haze vs Blue Dream

16% 18% 20% 22% 24% G13 Haze G13 Haze: median 20.30%, middle half 19.98%–21.86%, 14 tests 20.3% n=14 Blue Dream Blue Dream: median 19.96%, middle half 17.62%–22.37%, 2,118 tests 20.0% n=2,118 Median total THC (dot) and middle half of tests (bar)
Median and middle half of total THC in state lab tests. Small sample: G13 Haze has only 14 tests.3

Which is easier to find

On Oct 3, 2026, no stores within 50 miles of Los Angeles listed G13 Haze flower on Weedmaps, against 293 stores for Blue Dream; around New York the counts were 0 and 129.7

Its own site

Blue Dream has its own guide in the Official Cannabis network at bluedream.com.

More comparisons

Sources

  1. Leafly, Blue Dream strain information. Accessed Oct 3, 2026.
  2. Leafly, The best-selling weed strains of 2025 (2026-02-02). Accessed Oct 3, 2026.
  3. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 3, 2026.
  4. Barney’s Farm, G13 Haze: feminized seed specifications. Accessed Oct 3, 2026.
  5. AllBud, G13 Haze marijuana strain information and reviews. Accessed Oct 3, 2026.
  6. Leafly, G13 Haze strain information. Accessed Oct 3, 2026.
  7. Weedmaps listings, compiled by Official Cannabis, Weedmaps flower menu snapshot, 27 US markets, Oct 3, 2026. Accessed Oct 3, 2026.