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

Comparison

Rainbow Runtz vs Grape Ape

Leafly users give both strains the same three top effects, relaxed, sleepy and hungry, and the two are distant relatives: Leafly lists The Original Z (Zkittlez), a parent in the original Rainbow Runtz account and of Runtz, as a child of Grape Ape.1,2,3,4,5 Grape Ape tests lower in state labs: 18.42% median THC against 21.73% for Rainbow Runtz from only 77 tests, a small sample.6

Side by side

Rainbow RuntzGrape Ape
TypeHybrid; Leafly files it under indica, AllBud lists 50/501,7Mostly indica2
LineageDisputed: Zkittlez × Do-Si-Dos, or Runtz × RS11 (Wizard Trees), among other crosses1,4Mendocino Purps × Skunk × Afghani2
Median THC (state lab tests)21.73% (77 tests); small sample18.42% (202 tests)
Middle half of THC results17.89%–25.33%15.37%–21.25%
Top terpenes (median)Too few tests report individual terpenes (4 of 77)β-Caryophyllene, α-Pinene, α-Humulene (99 tests)
Leafly’s top effectsRelaxed, sleepy, hungry1Sleepy, relaxed, hungry2
Flavor (Leafly)Pear, rose, flowery1Grape, berry, sweet2
FloweringAbout 9 weeks (Wizard Trees’ and Philosopher Seeds’ seed versions)8,97–8 weeks2

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

Lab-tested THC: Rainbow Runtz vs Grape Ape

16% 20% 24% Rainbow Runtz Rainbow Runtz: median 21.73%, middle half 17.89%–25.33%, 77 tests 21.7% n=77 Grape Ape Grape Ape: median 18.42%, middle half 15.37%–21.25%, 202 tests 18.4% n=202 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.6

Its own site

Leafly credits Apothecary Genetics and Barney’s Farm with propagating Grape Ape.2 It has its own guide in the Official Cannabis network at grapeape.com.

Which is easier to find

In Weedmaps snapshots from Oct 4, 2026 (Rainbow Runtz) and Oct 3, 2026 (Grape Ape), 95 stores within 50 miles of Los Angeles listed Rainbow Runtz flower on Weedmaps, against 62 stores for Grape Ape; around New York the counts were 27 and 27.10

More comparisons

Sources

  1. Leafly, Rainbow Runtz (aka Rainbow Runts) strain information. Accessed Oct 4, 2026.
  2. Leafly, Grape Ape strain information. Accessed Oct 4, 2026.
  3. Leafly, The Original Z (aka Z) strain information. Accessed Oct 4, 2026.
  4. Weedmaps, Rainbow Runtz (aka Rainbow RZ) strain page. Accessed Oct 4, 2026.
  5. Leafly, Runtz (aka Runtz OG, Gelato Zkittlez) strain information. Accessed Oct 4, 2026.
  6. Cannlytics (CC BY 4.0), cannabis_results: public state lab results (filtered and aggregated by Official Cannabis). Accessed Oct 4, 2026.
  7. AllBud, Rainbow Runtz marijuana strain information and reviews. Accessed Oct 4, 2026.
  8. SeedFinder, Rainbow Runtz (Wizard Trees): strain info and breeder description. Accessed Oct 4, 2026.
  9. Philosopher Seeds, Rainbow Runtz (feminized seeds). Accessed Oct 4, 2026.
  10. 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.