Description
Watermelon seeds
Watermelon seeds represent a fruit-forward indica-dominant line stabilised from a Watermelon OG selection, self-pollinated (S1) to lock in its distinctive melon-sweet terpene expression. Where most fruit strains offer a mixed-berry or candy profile, Watermelon is unusual in being a single, clearly identifiable note.
In short: Watermelon is an indica-dominant hybrid, typically listed at 80% indica / 20% sativa, with reported THC potential of 20-22%. It is one of the easier fruit lines to verify against published descriptions precisely because that profile is so specific.
Watermelon genetics and lineage
An S1 is produced by reversing a single female and pollinating it with itself, which is how breeders preserve a prized selection rather than crossing it with something else. The Watermelon OG selection behind this line is generally traced to the Watermelon Zkittlez and Watermelon Gelato families of California, with the OG Kush influence supplying its indica structure.
Because the profile is so distinctive, Watermelon is frequently used as a comparison point for other fruit lines. Our Watermelon vs Gelato, Runtz and Zkittlez guide sets it against three of the most collected dessert strains.
Watermelon aroma, flavour and terpene profile
The aroma is fresh watermelon first, then sweet tropical fruit and a light citrus hint over a soft earthy base. Terpene references most often cite myrcene, limonene and caryophyllene.
Flavour descriptions match: sweet melon and tropical fruit with a gentle earthy finish. It is milder and simpler than Zkittlez or Runtz, which is part of its appeal in a collection built around contrast.
Watermelon seeds at a glance
| Strain name | Watermelon |
|---|---|
| Seed type | Feminised (all-female genetics) |
| Genetics / lineage | Watermelon OG S1 (stabilised selfed selection) |
| Classification | Indica-dominant hybrid |
| Indica / sativa ratio | 80% indica / 20% sativa |
| Reported THC potential | 20-22% (reported, if legally cultivated) |
| Reported CBD | Typically below 1% |
| Flowering / full cycle | 56-63 days (8-9 weeks) |
| Reported indoor height | 80-120 cm |
| Reported outdoor height | 120-170 cm |
| Reported indoor yield | 400-500 g/m2 |
| Reported outdoor yield | 450-550 g/plant |
| Aroma | Watermelon, Fruity, Sweet, Tropical, Earthy |
| Taste | Sweet Watermelon, Fruity, Tropical, Light Earth |
| Reported terpenes | Myrcene, Limonene, Caryophyllene |
| Pack sizes | X1 Seed | X3 Seeds |
| Sold as | Collectible souvenir seeds, 18+ only |
Reported botanical reference data
The figures below are reproduced from breeder and seed-bank literature and describe the inherited characteristics of the Watermelon line. They are published for genetic comparison only and are not cultivation guidance. Photoperiod cycle; outdoor harvest commonly listed early October.
- Flowering / full cycle: 56-63 days (8-9 weeks)
- Reported indoor yield: 400-500 g/m2
- Reported outdoor yield: 450-550 g/plant
- Reported indoor height: 80-120 cm
- Reported outdoor height: 120-170 cm
Why collectors choose Watermelon seeds
From a collector’s perspective, Watermelon seeds offer a stabilised selection with a profile unlike anything else in the collection, which makes it a natural counterpoint to the berry and candy lines. It pairs well with Zkittlez and Pink Runtz for a fruit-led souvenir set.
Buying Watermelon seeds in the UK
Canna Genetics is a UK-based cannabis seed bank supplying collectible genetics to adult customers across England, Scotland, Wales and Northern Ireland. Watermelon seeds are dispatched in plain, unbranded packaging, and every order passes through age verification before it is accepted. In addition, seeds are supplied dormant and are intended for collection, preservation and souvenir purposes only.
For related genetics, browse our Indica Seeds collection, or explore the full range of premium cannabis seeds. You may also want to compare Zkittlez Feminised Seeds and Pink Runtz Feminised Seeds.
Watermelon seeds – frequently asked questions
Watermelon is a indica-dominant hybrid produced from Watermelon OG S1 (stabilised selfed selection). Seed-bank listings commonly report 20-22% THC potential and an aroma built around watermelon, fruity, sweet, tropical, earthy. Canna Genetics supplies Watermelon seeds as collectible souvenirs only.
Watermelon is documented as Watermelon OG S1 (stabilised selfed selection). The reported ratio is approximately 80% indica / 20% sativa.
Watermelon is classified as a indica-dominant hybrid, with a reported split of 80% indica / 20% sativa.
Published breeder and seed-bank references list 20-22% reported THC potential for Watermelon, if it were legally cultivated. Figures vary by phenotype and by source, and this information is provided for genetic comparison only.
The reported aroma is watermelon, fruity, sweet, tropical, earthy. The flavour profile is described as sweet watermelon, fruity, tropical, light earth. Frequently referenced terpenes include myrcene, limonene, caryophyllene.
Watermelon is a photoperiod feminised variety, which means flowering is triggered by a change in light schedule rather than by plant age. Reference listings give a flowering window of 56-63 days (8-9 weeks).
Yes. It is legal to buy, sell and own cannabis seeds in the United Kingdom because ungerminated seeds contain no controlled cannabinoids. However, germinating or cultivating them without a Home Office licence is a criminal offence. Canna Genetics therefore sells all seeds strictly as collectible souvenirs to customers aged 18 and over.
Yes. Canna Genetics is a UK-based seed bank and ships Watermelon seeds discreetly to addresses throughout England, Scotland, Wales and Northern Ireland. Orders are packed in plain, unbranded packaging and age verification applies to every order.
Watermelon seeds are supplied in two collectible pack sizes: a single seed (X1 Seed) and a three-seed pack (X3 Seeds). Every seed is feminised and supplied in a dormant state.
Legal information and age restriction
Canna Genetics sells cannabis seeds strictly as collectible genetic souvenirs for preservation and novelty purposes. Sales are restricted to adults aged 18 or over. In the United Kingdom, and in most other countries, it is illegal to germinate or cultivate cannabis seeds without a licence issued by the Home Office. Accordingly, we provide no germination or cultivation advice, and we refuse any order where we have reason to believe the seeds are intended for cultivation in a jurisdiction where that is unlawful.
All strain data on this page – including genetics, terpene, aroma, potency and botanical reference figures – is reproduced from publicly available breeder and seed-bank literature. It describes inherited genetic characteristics only and is published for informational and comparison purposes. Product images are representative.
