The Official Cannabis Independent strain guides
Critical Jack No 10 Shop
The Official Cannabis collection · sheet 10No 10 · Critical Jackvs Super Lemon Haze

Comparison

Critical Jack vs Super Lemon Haze

Both are European lemon-and-Haze hybrids: Super Lemon Haze is Green House Seeds’ Lemon Skunk × Super Silver Haze, a two-time Cannabis Cup winner, while Critical Jack is Dinafem’s Critical+ × Jack Herer.1,2 Leafly users give both the same top effects. Super Lemon Haze tests higher in state labs: 20.84% median THC across 1,543 tests, against 15.01% for Critical Jack from only eight tests, a small sample.1,3,4

Side by side

Critical JackSuper Lemon Haze
TypeSativa-leaning hybrid; Dinafem lists 60% sativa / 40% indica2,3Sativa-dominant hybrid1
LineageCritical+ × Jack Herer (Dinafem Seeds, Spain)2,5Lemon Skunk × Super Silver Haze (Green House Seeds)1
Median THC (state lab tests)15.01% (only eight tests, a small sample)20.84% (1,543 tests)
Middle half of THC results13.41%–20.68%18.41%–23.48%
Top terpenes (median)Too few tests for a profile (1 of 8 with terpene values)Terpinolene, β-Caryophyllene, β-Myrcene (468 tests)
Leafly top effectsFocused, energetic, uplifted3Energetic, focused, uplifted1
FlavorPine, citrus, lemon3Lemon, citrus, lime1
Flowering60 days indoors (Dinafem’s spec)27–9 weeks1

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

Lab-tested THC: Critical Jack vs Super Lemon Haze

12% 16% 20% 24% Super Lemon Haze Super Lemon Haze: median 20.84%, middle half 18.41%–23.48%, 1,543 tests 20.8% n=1,543 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

The terpene question

Super Lemon Haze’s profile in our data rests on hundreds of tests, led by terpinolene; Critical Jack’s cannot be drawn, because only one of the eight tests reported individual terpene values. Leafly lists terpinolene as dominant for both.1,3,4

More comparisons

Sources

  1. Leafly, Super Lemon Haze 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.