The Official Cannabis Independent strain guides
Purple Urkle No 03 Shop
The Official Cannabis collection · sheet 03No 03 · Purple Urklevs Sour Diesel

Comparison

Purple Urkle vs Sour Diesel

These are opposites that breeders have combined: Sour Urkle is Sour Diesel × Purple Urkle.1 Users call Sour Diesel energetic, uplifted and talkative, with a diesel taste, while Purple Urkle is sleepy and grape-flavored.2,3 In state lab tests, Purple Urkle’s median THC (19.00%, from only 35 tests) is lower than Sour Diesel’s 21.68% (1,071 tests).4

Side by side

Purple UrkleSour Diesel
TypeIndica, rated mostly calming3Hybrid, rated energizing2
LineageSelected phenotype of Mendocino Purps3Chemdawg × Super Skunk2
Median THC (state lab tests)19.00% (only 35 tests: small sample)21.68% (1,071 tests)
Middle half of THC results15.98%–22.42%19.00%–25.30%
Top terpenes (median)None: no matched test reports individual terpenes (35 tests)β-Caryophyllene, Limonene, β-Myrcene (167 tests)
Top effects (Leafly)Sleepy, relaxed, hungry3Energetic, uplifted, talkative2
FlavorGrape, plum, berry3Diesel, chemical, skunk2
EraIntroduced in the late 1980s, per AllBud5Popular since the early 1990s2

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

Lab-tested THC: Purple Urkle vs Sour Diesel

16% 20% 24% Sour Diesel Sour Diesel: median 21.68%, middle half 19.00%–25.30%, 1,071 tests 21.7% n=1,071 Purple Urkle Purple Urkle: median 19.00%, middle half 15.98%–22.42%, 35 tests 19.0% n=35 Median total THC (dot) and middle half of tests (bar)
Median and middle half of total THC in state lab tests. Small sample: Purple Urkle has only 35 tests.4

Which is easier to find

On Oct 3, 2026, 10 stores within 50 miles of Los Angeles listed Purple Urkle flower on Weedmaps, against 156 stores for Sour Diesel; around New York the counts were 4 and 125.6

Its own site

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

More comparisons

Sources

  1. Leafly, Sour Urkle strain information. Accessed Oct 3, 2026.
  2. Leafly, Sour Diesel strain information. Accessed Oct 3, 2026.
  3. Leafly, Purple Urkle 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. AllBud, Purple Urkle marijuana strain information and reviews. Accessed Oct 3, 2026.
  6. Weedmaps listings, compiled by Official Cannabis, Weedmaps flower menu snapshot, 27 US markets, Oct 3, 2026. Accessed Oct 3, 2026.