# Watermelon Z > Watermelon Z, also sold as Watermelon Zkittlez, is an indica-dominant hybrid that Leafly, Weedmaps and AllBud trace to a cross of The Original Z, the strain long sold as Zkittlez, and Watermelon. Weedmaps says the cross is widely attributed to Dying Breed Seeds and 3rd Gen Family in California, but SeedFinder lists Dying Breed’s own version with different parents. It tests at a median total THC of 18.60% across 63 state lab tests of Watermelon Z flower, with the middle half of results between 15.27% and 22.59%, a small sample. CBD is negligible: none of the 25 tests that reported CBD reached 1%. Published by Official Cannabis (https://officialcannabis.net). Lab statistics: 63 state lab tests, median total THC 18.60%, middle half 15.27%–22.59% (Cannlytics cannabis_results, CC BY 4.0, analysis by Official Cannabis). Comparative THC rankings require at least 30 flower tests. ## Guide - [Strain overview](https://watermelonz.com/): Watermelon Z (Watermelon Zkittlez) is an indica-dominant hybrid, most often traced to The Original Z × Watermelon. Median THC in only 63 lab tests: 18.60%. - [Genetics](https://watermelonz.com/genetics/): Watermelon Z is usually an indica-dominant cross of The Original Z (Zkittlez) and Watermelon, but one breeder listing differs. Parents, seed lines, offspring. - [THC and terpenes](https://watermelonz.com/potency/): Watermelon Z flower tested at 18.60% median THC (15.27%–22.59%) in only 63 lab tests, mostly from Michigan and Nevada: a small sample. CBD, terpenes, caveats. - [Lab report](https://watermelonz.com/lab-report/): Lab report for Watermelon Z: 63 flower tests, 18.60% median total THC, no 30% results, and β-caryophyllene ahead in terpene leadership. - [Effects](https://watermelonz.com/effects/): Leafly users report sleepy, relaxed and giggly and rate Watermelon Z mostly calming; some seed lines are sold as energizing. Downsides: headache, dry mouth. - [Growing](https://watermelonz.com/grow/): Watermelon Zkittlez flowers in about 8–9 weeks (Weedmaps) or 60–63 days (seed sellers). Breeder specs, yields and heights side by side, and why sources differ. - [Where to find it](https://watermelonz.com/near-me/): Watermelon Z flower on Weedmaps on Oct 4, 2026: 216 store listings in 16 of 27 US markets, 104 near Los Angeles, mostly infused flower. - [History](https://watermelonz.com/history/): How a Zkittlez × Watermelon cross from California became Watermelon Z: the Z family’s cup wins, the disputed parents and the candy-name settlement. Sourced. - [FAQ](https://watermelonz.com/faq/): Answers to the top questions about Watermelon Z: indica or sativa, the Zkittlez name, THC, terpenes, taste, sleepiness, STIIIZY’s version, seeds and flowering. ## Lab report: key findings - Watermelon Z had no 30% total-THC results in this file; 40% of flower results reached the 20% cutoff and 19% reached the 25% cutoff. - The largest single outside THC value was 25% from AllBud; only 19% of flower tests got to that cutoff or beyond. - An 18.60% median puts Watermelon Z at 45th among 52 strains, between the neighboring medians for Trainwreck and Grape Ape. - On spread, Watermelon Z is 47th by narrowness out of 52, with a middle-half width of 7.32 points. - Terpene leadership was uneven but not locked: β-caryophyllene finished first in 68%, while limonene finished first in 32%. - In the Weedmaps shelf snapshot, Watermelon Z counted 216 flower store listings and appeared in 16 of 27 markets, ranked 23rd among 58 tracked strains. Full analysis, tables and method: https://watermelonz.com/lab-report/ ## Comparisons - [Watermelon Z vs Grape Ape](https://watermelonz.com/vs/grape-ape/): Watermelon Z vs Grape Ape, a parent of The Original Z and so a grandparent of Watermelon Z, compared on state-lab THC, terpenes, effects and flavor. - [Watermelon Z vs Rainbow Runtz](https://watermelonz.com/vs/rainbow-runtz/): Watermelon Z vs Rainbow Runtz: two strains with Zkittlez in their lineage, compared on state-lab THC, effects, flavor and how often stores carry them. - [Watermelon Z vs Mimosa](https://watermelonz.com/vs/mimosa/): Watermelon Z vs Mimosa, the two names behind Watermelon Mimosa, compared on state-lab THC, terpenes, effects and flavor: an evening hybrid and a daytime one. - [Watermelon Z vs Gelato 45](https://watermelonz.com/vs/gelato-45/): Watermelon Z vs Gelato 45, the two parents Leafly gives Watermelon Gelato, compared on state-lab THC, terpenes, effects and flavor. Both lab samples are small. - [Watermelon Z vs Gushers](https://watermelonz.com/vs/gushers/): Watermelon Z vs Gushers (TK41): two fruity strains that Leafly lists under other names, compared on state-lab THC, terpenes, effects and flavor. - [Watermelon Z vs Candyland](https://watermelonz.com/vs/candyland/): Watermelon Z vs Candyland, the parents of Watermelon Freeze: a sleepy, indica-leaning hybrid against an energizing sativa, on state-lab THC and terpenes. ## Data - [Lab test CSV](https://watermelonz.com/data/watermelon-z-lab-tests.csv): one row per test (state, date, lab, product, THC, CBD, terpenes) - [Full text for LLMs](https://watermelonz.com/llms-full.txt)