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Critical Jack No 10 Shop
The Official Cannabis collection · sheet 10No 10 · Critical Jackvs Sour Diesel

Comparison

Critical Jack vs Sour Diesel

Both are energizing hybrids by user report, but they come from different worlds: Sour Diesel is an East Coast Chemdawg × Super Skunk famous since the early 1990s and tastes of fuel; Critical Jack is a Spanish seed-bank cross that tastes of lemon and pine.1,2,3 Sour Diesel tests higher in state labs: 21.68% median THC across 1,071 tests, against 15.01% for Critical Jack from only eight tests, a small sample.4

Side by side

Critical JackSour Diesel
TypeSativa-leaning hybrid; Dinafem lists 60% sativa / 40% indica2,3Hybrid1
LineageCritical+ × Jack Herer (Dinafem Seeds, Spain)2,5Chemdawg × Super Skunk1
Median THC (state lab tests)15.01% (only eight tests, a small sample)21.68% (1,071 tests)
Middle half of THC results13.41%–20.68%19.00%–25.30%
Top terpenes (median)Too few tests for a profile (1 of 8 with terpene values)β-Caryophyllene, Limonene, β-Myrcene (167 tests)
Leafly top effectsFocused, energetic, uplifted3Energetic, uplifted, talkative1
FlavorPine, citrus, lemon3Diesel, chemical, skunk1
Leafly orders, 2025Not ranked6#46

Lab rows come from the same state lab dataset and matching rules for both strains.4

Lab-tested THC: Critical Jack vs Sour Diesel

12% 16% 20% 24% Sour Diesel Sour Diesel: median 21.68%, middle half 19.00%–25.30%, 1,071 tests 21.7% n=1,071 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.4

Which is easier to find

On Oct 3, 2026, no stores within 50 miles of Los Angeles listed Critical Jack flower on Weedmaps, against 156 stores for Sour Diesel; around New York the counts were 0 and 125.7

Its own site

Sour Diesel has its own guide in the Official Cannabis network at sourdiesel.com.

More comparisons

Sources

  1. Leafly, Sour Diesel strain information. Accessed Oct 3, 2026.
  2. Dinafem Seeds, Critical Jack: feminized seeds, specifications, lab analysis and awards. Accessed Oct 3, 2026.
  3. Leafly, Critical Jack aka Critical Jack Herer strain information. Accessed Oct 3, 2026.
  4. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 3, 2026.
  5. Weedmaps, Critical Jack strain page. Accessed Oct 3, 2026.
  6. Leafly, The best-selling weed strains of 2025 (2026-02-02). 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.