The Official Cannabis Independent strain guides
Purple Urkle No 03 Shop
The Official Cannabis collection · sheet 03No 03 · Purple Urklevs Northern Lights

Comparison

Purple Urkle vs Northern Lights

Users describe both as sleepy, relaxed and hungry indicas; the difference is flavor, grape and berry for Purple Urkle against pine and earth for Northern Lights, an Afghani × Thai strain.1,2 In state lab tests, Purple Urkle’s median THC (19.00%, from only 35 tests) is lower than Northern Lights’ 20.03% (406 tests), a gap too small to read much into at this sample size.3

Side by side

Purple UrkleNorthern Lights
TypeIndica1Indica2
LineageSelected phenotype of Mendocino Purps1Afghani × Thai2
Median THC (state lab tests)19.00% (only 35 tests: small sample)20.03% (406 tests)
Middle half of THC results15.98%–22.42%17.28%–22.05%
Top terpenes (median)None: no matched test reports individual terpenes (35 tests)β-Caryophyllene, Limonene, β-Myrcene (15 tests)
Top effects (Leafly)Sleepy, relaxed, hungry1Sleepy, relaxed, hungry2
FlavorGrape, plum, berry1Pine, earthy, woody2

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

Lab-tested THC: Purple Urkle vs Northern Lights

14% 16% 18% 20% 22% 24% Northern Lights Northern Lights: median 20.03%, middle half 17.28%–22.05%, 406 tests 20.0% n=406 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.3

Which is easier to find

On Oct 3, 2026, 10 stores within 50 miles of Los Angeles listed Purple Urkle flower on Weedmaps, against 98 stores for Northern Lights; around New York the counts were 4 and 97.4

Where Northern Lights comes from

Leafly says Northern Lights may have first sprouted near Seattle and was propagated in the Netherlands after 1985 at what is now Sensi Seeds. It has its own guide in the Official Cannabis network at northernlightsstrain.com.2

More comparisons

Sources

  1. Leafly, Purple Urkle strain information. Accessed Oct 3, 2026.
  2. Leafly, Northern Lights strain information. Accessed Oct 3, 2026.
  3. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 3, 2026.
  4. Weedmaps listings, compiled by Official Cannabis, Weedmaps flower menu snapshot, 27 US markets, Oct 3, 2026. Accessed Oct 3, 2026.