# Rainbow Runtz > Rainbow Runtz is a hybrid sold under one name but bred from several different crosses: the one most often cited as the original is Zkittlez × Do-Si-Dos, with no confirmed breeder, and Wizard Trees in Los Angeles sells its Runtz × RS11 as Rainbow RZ. In only 77 state lab tests, a small sample, its flower had a median total THC of 21.73%, with the middle half of results between 17.89% and 25.33%; CBD is negligible: none of the 14 tests that reported CBD reached 1%. Leafly’s top effects for it, from user reports, are relaxed, sleepy and hungry. Published by Official Cannabis (https://officialcannabis.net). Lab statistics: 77 state lab tests, median total THC 21.73%, middle half 17.89%–25.33% (Cannlytics cannabis_results, CC BY 4.0, analysis by Official Cannabis). Comparative THC rankings require at least 30 flower tests. ## Guide - [Strain overview](https://rainbowruntz.com/): Rainbow Runtz is a hybrid sold under several crosses, from Zkittlez × Do-Si-Dos to Wizard Trees’ Runtz × RS11. Median THC in only 77 lab tests: 21.73%. - [Genetics](https://rainbowruntz.com/genetics/): Rainbow Runtz is a hybrid with at least seven published crosses: Zkittlez × Do-Si-Dos, Runtz × RS11, Rainbow Chip × Runtz and more. Who bred which. - [THC and terpenes](https://rainbowruntz.com/potency/): Rainbow Runtz flower tested at 21.73% median THC in only 77 state lab tests, mostly from Michigan in 2021–2022: a small sample. Claims, caveats. - [Lab report](https://rainbowruntz.com/lab-report/): For Rainbow Runtz, lab data show 21.73% median THC, 29% of tests at 25% or more, and 190 Weedmaps store listings for its flower. - [Effects](https://rainbowruntz.com/effects/): Leafly’s top effects for Rainbow Runtz are relaxed, sleepy and hungry, rated mostly calming; others describe a lift first. Downsides: dry mouth, dry eyes. - [Growing](https://rainbowruntz.com/grow/): Rainbow Runtz seed versions flower in about 8–10 weeks. Specs from Wizard Trees, Exotic Genetix, Philosopher Seeds, Hypno Seeds and others, side by side. - [Where to find it](https://rainbowruntz.com/near-me/): Rainbow Runtz flower was listed by 95 stores near Los Angeles on Weedmaps on Oct 4, 2026: 190 store listings in 12 of 27 US markets, with eighth prices. - [History](https://rainbowruntz.com/history/): How a hybrid with no confirmed breeder became several strains under one name, from Zkittlez × Do-Si-Dos to Wizard Trees’ Runtz × RS11. With sources. - [FAQ](https://rainbowruntz.com/faq/): Answers to the top questions about Rainbow Runtz: indica or sativa, who makes it, THC, taste, sleepiness, RS11, Rainbow RZ, Rainbow Sherbet and flowering. ## Lab report: key findings - Rainbow Runtz was on the variable side for THC: from 17.89% to 25.33%, the middle half covered 7.44 points, leaving it 48th narrowest among 52 qualifying strains. - For Rainbow Runtz, the 20% THC line was reached by 62% of flower tests; the 25% line by 29%; the 30% line by 0%. - Outside references ran narrow-high: Leafly lists 25%, a cutoff 29% of Rainbow Runtz flower tests attained, and AllBud gives 21–23%, with 9.1% inside it. - With a 21.73% median, Rainbow Runtz sat 19th among 52 strains; its immediate neighbors were Blueberry (21.91%) above and Papaya (21.70%) below. - Weedmaps showed 190 store listings with Rainbow Runtz flower; that put it 27th of 58, across 12 of 27 markets. - Price comparisons were mixed: 1 of 4 market checks had Rainbow Runtz below the local typical other strain. Full analysis, tables and method: https://rainbowruntz.com/lab-report/ ## Comparisons - [Rainbow Runtz vs Gelato](https://rainbowruntz.com/vs/gelato/): Rainbow Runtz vs Gelato, the strain behind Runtz: compared on state-lab THC, terpenes, lineage, reported effects, flavor and how easy each is to find. - [Rainbow Runtz vs Sherbet](https://rainbowruntz.com/vs/sherbet/): Rainbow Runtz vs Sherbet (Sunset Sherbet), the strain behind RS11 and Rainbow Chip, compared on state-lab THC, terpenes, effects and flavor. - [Rainbow Runtz vs Runtz Cake](https://rainbowruntz.com/vs/runtz-cake/): Rainbow Runtz vs Runtz Cake: two Runtz-family hybrids with small lab samples, compared on state-lab THC, lineage, effects and store availability. - [Rainbow Runtz vs Watermelon Z](https://rainbowruntz.com/vs/watermelon-z/): Rainbow Runtz vs Watermelon Z: two strains from the Zkittlez family, both with small lab samples, compared on THC, lineage, effects and flavor. - [Rainbow Runtz vs Grape Ape](https://rainbowruntz.com/vs/grape-ape/): Rainbow Runtz vs Grape Ape: two strains Leafly users call relaxed, sleepy and hungry, linked through Zkittlez, compared on state-lab THC and flavor. - [Rainbow Runtz vs Gushers](https://rainbowruntz.com/vs/gushers/): Rainbow Runtz vs Gushers: two candy-named hybrids with Gelato genetics, compared on state-lab THC, terpenes, effects, flavor and availability. ## Data - [Lab test CSV](https://rainbowruntz.com/data/rainbow-runtz-lab-tests.csv): one row per test (state, date, lab, product, THC, CBD, terpenes) - [Full text for LLMs](https://rainbowruntz.com/llms-full.txt)