The Official Cannabis Independent strain guides
Rainbow Runtz No 58 Shop
The Official Cannabis collection · sheet 58No 58 · Rainbow Runtzvs Runtz Cake

Comparison

Rainbow Runtz vs Runtz Cake

Both carry the Runtz name and neither has a settled origin: Leafly lists Runtz Cake as Wedding Cake × White Runtz from an unknown breeder, while Rainbow Runtz is sold under at least seven different crosses.1,2 Both have small lab samples: 20.00% median THC for Runtz Cake (51 tests, all from one state) and 21.73% for Rainbow Runtz (77).3

Side by side

Rainbow RuntzRuntz Cake
TypeHybrid; Leafly files it under indica, AllBud lists 50/504,5Hybrid; more calming than energizing1
LineageDisputed: Zkittlez × Do-Si-Dos, or Runtz × RS11 (Wizard Trees), among other crosses2,4Wedding Cake × White Runtz; breeder unknown1
Median THC (state lab tests)21.73% (77 tests); small sample20.00% (51 tests); small sample
Middle half of THC results17.89%–25.33%19.00%–21.00%
Top terpenes (median)Too few tests report individual terpenes (4 of 77)Too few tests report individual terpenes
Leafly’s top effectsRelaxed, sleepy, hungry4Relaxed, euphoric, giggly1
Flavor (Leafly)Pear, rose, flowery4Flowery, vanilla, diesel1
Leafly THC listing25%418%1

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

Lab-tested THC: Rainbow Runtz vs Runtz Cake

16% 18% 20% 22% 24% 26% Rainbow Runtz Rainbow Runtz: median 21.73%, middle half 17.89%–25.33%, 77 tests 21.7% n=77 Runtz Cake Runtz Cake: median 20.00%, middle half 19.00%–21.00%, 51 tests 20.0% n=51 Median total THC (dot) and middle half of tests (bar)
Median and middle half of total THC in state lab tests. Small sample: Rainbow Runtz has only 77 tests; Runtz Cake has only 51 tests.3

Its own site

Runtz Cake has its own guide in the Official Cannabis network at runtzcake.com.

Which is easier to find

On Oct 4, 2026, 95 stores within 50 miles of Los Angeles listed Rainbow Runtz flower on Weedmaps, against 7 stores for Runtz Cake; around New York the counts were 27 and 0.6

More comparisons

Sources

  1. Leafly, Runtz Cake strain information. Accessed Oct 4, 2026.
  2. Weedmaps, Rainbow Runtz (aka Rainbow RZ) strain page. 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. Leafly, Rainbow Runtz (aka Rainbow Runts) strain information. Accessed Oct 4, 2026.
  5. AllBud, Rainbow Runtz marijuana strain information and reviews. Accessed Oct 4, 2026.
  6. 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.