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Critical Jack No 10 Shop
The Official Cannabis collection · sheet 10No 10 · Critical Jackvs G13 Haze

Comparison

Critical Jack vs G13 Haze

Two European seed-bank Haze hybrids with thin US records: G13 Haze is Barney’s Farm’s G13 × Hawaiian Sativa from Amsterdam, Critical Jack Dinafem’s Critical+ × Jack Herer from San Sebastián.1,2 Both lab samples are small, 14 tests for G13 Haze and only eight tests for Critical Jack, so the medians, 20.30% and 15.01%, are indicative only.3

Side by side

Critical JackG13 Haze
TypeSativa-leaning hybrid; Dinafem lists 60% sativa / 40% indica2,4Hybrid per Leafly; 80% sativa per Barney’s Farm1,5
LineageCritical+ × Jack Herer (Dinafem Seeds, Spain)2,6G13 × Haze per Leafly; G13 × Hawaiian Sativa per Barney’s Farm1,5
Median THC (state lab tests)15.01% (only eight tests, a small sample)20.30% (14 tests); small sample
Middle half of THC results13.41%–20.68%19.98%–21.86%
Top terpenes (median)Too few tests for a profile (1 of 8 with terpene values)Too few tests for a profile (2 of 14 with terpene values)
Leafly top effectsFocused, energetic, uplifted4Euphoric, happy, giggly5
FlavorPine, citrus, lemon4Pepper, pine, sage5
Flowering60 days indoors (Dinafem’s spec)265–70 days (Barney’s Farm)1

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

Lab-tested THC: Critical Jack vs G13 Haze

12% 14% 16% 18% 20% 22% G13 Haze G13 Haze: median 20.30%, middle half 19.98%–21.86%, 14 tests 20.3% n=14 Critical Jack Critical Jack: median 15.01%, middle half 13.41%–20.68%, 8 tests 15.0% n=8 Median total THC (dot) and middle half of tests (bar)
Median and middle half of total THC in state lab tests. Small sample: Critical Jack has only 8 tests; 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 Critical Jack flower on Weedmaps, against no stores for G13 Haze; around New York the counts were 0 and 0.7

Its own site

G13 Haze has its own guide in the Official Cannabis network at g13haze.com.

More comparisons

Sources

  1. Barney’s Farm, G13 Haze feminised seeds. Accessed Oct 3, 2026.
  2. Dinafem Seeds, Critical Jack: feminized seeds, specifications, lab analysis and awards. 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. Leafly, Critical Jack aka Critical Jack Herer strain information. Accessed Oct 3, 2026.
  5. Leafly, G13 Haze strain information. Accessed Oct 3, 2026.
  6. Weedmaps, Critical Jack strain page. 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.