2341
Watermelon Runtz Hybrid
Hybrid

Watermelon Runtz

Runtz × Watermelon Z

How to grow it
Median THC
29.0%
Flowering
8–10 weeks (~56–70 days)

What labs found

Median THC
29.0%
Typical range
13.9–35.6%
Lab tests
21
States
3

0%40%

Terpenes that test highest: limonene, caryophyllene, myrcene (from 12 tests)

Most of these tests come from one producer, so they may say more about that grower than the strain.

This is a small number of tests, so treat the range as rough.

Flower tested under this name in legal US markets, 2021–2024. The range covers the middle 90% of tests. Growers and labs vary, so a given jar can fall outside it. Data: Jikomes & Zoorob (CC0), Cannabis Wise Guys (CC BY 4.0), Cannlytics (CC BY 4.0).

About Watermelon Runtz

Watermelon Runtz is a hybrid cross combining Runtz and Watermelon Z. Known for berry, tropical, diesel aromatics.

In grower catalogs and dispensary menus, Watermelon Runtz (also circulated as Melon Runtz) is documented as a hybrid cross combining Runtz and Watermelon Z. State lab records track Watermelon Runtz across 3 legal markets between 2021 and 2024, with a large share of tested flower batches originating from a single regional cultivator. Photoperiod cuts typically finish flowering in 8–10 weeks (~56–70 days) under indoor or greenhouse lighting.

Aroma and flavor

Jars of Watermelon Runtz are most often described as showing ripe mixed berry, tropical fruit, sharp fuel and diesel and sweet, sugary notes. Across state lab terpene panels, bright, citrus-forward limonene, peppery beta-caryophyllene and earthy, herbal myrcene most frequently test at the top of the profile, though cure quality and phenotype selection shape how loudly each note comes through.

Reported effects

Consumers commonly report physical relaxation, heavier evening drowsiness and an elevated, euphoric mood, making Watermelon Runtz a frequent pick for evening unwinding or unhurried downtime. The most commonly noted downsides are dry eyes and dry mouth.

Specs

Genetics

Also known as
Melon Runtz

Growing

Grower notes
Photoperiod cuts typically finish flowering in 8–10 weeks (~56–70 days) under indoor or greenhouse lighting.

The flower

Flavour
Berry, Tropical, Diesel, Sweet
Aroma
Ripe mixed berry, tropical fruit, sharp fuel and diesel
Terpenes
Dominant terpenes: limonene, caryophyllene, myrcene
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Family tree

Watermelon Runtz is reported as Runtz × Watermelon Z.

  • Parents
  • Grandparents
  • As reported, not a genetic test

View full lineage table →

Parent: RuntzRzRuntzGrandparent: ZkittlezZkZkittlezGrandparent: GelatoGeGelatoParent: Watermelon ZWzWatermelon ZGrandparent: WatermelonWaWatermelonGrandparent: ZkittlezZkZkittlezThis strain: Watermelon RuntzWrzWatermelon RuntzParent: RuntzRzRuntzParent: Watermelon ZWzWatermelon ZThis strain: Watermelon RuntzWrzWatermelon Runtz

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