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Purple Urkle No 03 Shop
The Official Cannabis collection · sheet 03No 03 · Purple Urklevs Granddaddy Purple

Comparison

Purple Urkle vs Granddaddy Purple

Granddaddy Purple is the bigger seller, #2 in Leafly’s 2025 orders, and Weedmaps and AllBud list Purple Urkle as one of its parents, crossed with Big Bud; Leafly gives it different parents.1,2,3,4 Users describe both as sleepy, relaxed, grape-flavored indicas.4,5 In state lab tests, Purple Urkle’s median THC (19.00%, from only 35 tests) is higher than Granddaddy Purple’s 17.87% (512 tests), a gap too small to read much into at this sample size.6

Side by side

Purple UrkleGranddaddy Purple
TypeIndica5Indica4
LineageSelected phenotype of Mendocino Purps5Purple Urkle × Big Bud (Weedmaps, AllBud) or Mendo Purps × Skunk × Afghanistan (Leafly)2,3,4
Median THC (state lab tests)19.00% (only 35 tests: small sample)17.87% (512 tests)
Middle half of THC results15.98%–22.42%15.00%–21.55%
Top terpenes (median)None: no matched test reports individual terpenes (35 tests)Limonene, β-Caryophyllene, β-Myrcene (55 tests)
Top effects (Leafly)Sleepy, relaxed, hungry5Sleepy, relaxed, hungry4
FlavorGrape, plum, berry5Grape, berry, violet4
Leafly orders, 2025Not in the national top 81#21

Lab rows come from the same state lab dataset and matching rules for both strains.6

Lab-tested THC: Purple Urkle vs Granddaddy Purple

14% 16% 18% 20% 22% 24% Purple Urkle Purple Urkle: median 19.00%, middle half 15.98%–22.42%, 35 tests 19.0% n=35 Granddaddy Purple Granddaddy Purple: median 17.87%, middle half 15.00%–21.55%, 512 tests 17.9% n=512 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.6

Who made Granddaddy Purple

Ken Estes popularized Granddaddy Purple in 2003. In a Leafly interview he said the plant he started from was called Purple Medicine, that the Pomo had it, up in Humboldt, and that he launched Granddaddy Purple in Oakland.4,7

More comparisons

Sources

  1. Leafly, Best-selling weed strains of 2025. Accessed Oct 3, 2026.
  2. Weedmaps, Granddaddy Purple strain page. Accessed Oct 3, 2026.
  3. AllBud, Granddaddy Purple marijuana strain information and reviews. Accessed Oct 3, 2026.
  4. Leafly, Granddaddy Purple strain information. Accessed Oct 3, 2026.
  5. Leafly, Purple Urkle strain information. Accessed Oct 3, 2026.
  6. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 3, 2026.
  7. Leafly, Meet the daddy of Granddaddy Purple (2026-07-21). Accessed Oct 3, 2026.