The Official Cannabis Independent strain guides
Purple Haze No 15 Shop
The Official Cannabis collection · sheet 15No 15 · Purple Hazevs Granddaddy Purple

Comparison

Purple Haze vs Granddaddy Purple

They share a color and little else: Granddaddy Purple is an indica popularized by Ken Estes in 2003, which Leafly rates mostly calming with sleepy, relaxed and hungry as its top effects, while Purple Haze is an energizing sativa.1,2 In state labs Granddaddy Purple tests lower: 17.87% median THC against 22.39% for Purple Haze.3

Side by side

Purple HazeGranddaddy Purple
TypeSativa, rated energizing2Indica, rated mostly calming1
LineagePurple Thai × Haze in most listings2,4,5Mendo Purps × Skunk × Afghanistan, or Big Bud × Purple Urkle (both on Leafly)1
Median THC (state lab tests)22.39% (116 tests)17.87% (512 tests)
Middle half of THC results19.42%–24.73%15.00%–21.55%
Top terpenes (median)Limonene, β-Caryophyllene, β-Myrcene (81 tests)Limonene, β-Caryophyllene, β-Myrcene (55 tests)
Leafly top effectsCreative, euphoric, giggly2Sleepy, relaxed, hungry1
FlavorLavender, flowery, violet2Grape, berry, violet1
Leafly orders, 2025Not in the national top 86#26

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

Lab-tested THC: Purple Haze vs Granddaddy Purple

14% 16% 18% 20% 22% 24% 26% Purple Haze Purple Haze: median 22.39%, middle half 19.42%–24.73%, 116 tests 22.4% n=116 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.3

Crossed with each other

SeedFinder lists American Purple, from Positronics, as Grand Daddy Purple × Purple Haze, and GB Strains’ Auto Grand Daddy Purple XXL combines autoflowering versions of both.7 Granddaddy Purple has its own guide in the Official Cannabis network at granddaddypurplestrain.com.

Which is easier to find

On Oct 4, 2026, 35 stores within 50 miles of Los Angeles listed Purple Haze flower on Weedmaps, against 56 stores for Granddaddy Purple; around New York the counts were 20 and 58.8

More comparisons

Sources

  1. Leafly, Granddaddy Purple strain information. Accessed Oct 4, 2026.
  2. Leafly, Purple Haze strain information. Accessed Oct 4, 2026.
  3. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 4, 2026.
  4. Weedmaps, Purple Haze strain page. Accessed Oct 4, 2026.
  5. AllBud, Purple Haze marijuana strain information and reviews. Accessed Oct 4, 2026.
  6. Leafly, The best-selling weed strains of 2025 (2026-02-02). Accessed Oct 4, 2026.
  7. SeedFinder, Purple Haze (Unknown or Legendary): strain info. Accessed Oct 4, 2026.
  8. Weedmaps listings, compiled by Official Cannabis, Weedmaps flower menu snapshot, 27 US markets, Oct 4, 2026. Accessed Oct 4, 2026. Latest capture Oct 4, 2026.