4.7 on Reviews.io -

Seed City Review Stars

4.7 on Reviews.io -

Seed City Review Stars

Since 2010!

15 Years of World Wide Stealthy Delivery!

Home Seed Selector Advanced Seeds Watermelon OG

Watermelon OG

Advanced Seeds

Advanced Seeds

12/12 Photoperiod

Feminised

Watermelon OG cannabis seeds – Super Strength – 12/12 Photoperiod – Fruity – image 1 from Seed City

Short Description

Balanced hybrid with potent effects, high THC levels, abundant yields, sweet watermelon flavor. Flowering cycle of 55-60 days.

Characteristics

Stock Availability	In Stock
Seed Type	Feminised
Flowering Period Type	12/12 Photoperiod
Indica / Sativa	50% Indica / 50% Sativa
Strain Type	Asia-Central, Asia-South East, Hybrid, North American and Canadian, OG Kush Strains
Strength	Super Strength
Environment	Indoor, Outdoor
Indoor Flowering Time	Medium (56 to 90 days)
Outdoor Harvest Time	End of September, Middle of September
Indoor Height	Medium (81cm – 140cm)
Yield	Average Yield
Smell / Taste	Fruity, Melon, Sweet

Description

Watermelon OG Overview

Watermelon OG is a balanced hybrid strain with a 50% indica and 50% sativa profile, combining the best traits of both lineages. Known for its potent effects thanks to a high THC concentration, it also stands out for generous yields. The strain features a delightful sweet watermelon flavor and aroma, complemented by its attractive, resin-coated buds that offer a refreshing taste.

Strain Summary

THC: 25%
Yield: 450 – 550 g
Interior height: 80 – 100 cm
Outdoor Height: 1.8 – 2.0 m
Flowering Cycle: 55 – 60 days
Harvest: 20 – 30 Sept.

Customer Reviews

Reviews

There are no reviews yet.

Be the first to review “Watermelon OG”

You must be logged in to post a review.

From £18.78

Pack Size

Available pack options

Prices are shown here for browsers without JavaScript. Choose the matching pack size above before adding to basket.

3 Feminised Seeds In stock £18.78
5 Feminised Seeds In stock £32.17
25 Feminised Seeds In stock £152.81
50 Feminised Seeds In stock £289.53

Similar Strains to this one

Image 1 of HulkBerry cannabis by Royal Queen Seeds – 50% Indica/50% Sativa – Indoor-friendly – Cerebral – Seed City

Royal Queen Seeds

Feminised

12/12 Photoperiod

Rated 5 out of 5 based on 1 customer rating

1 review

From £8.25

Royal Runtz cannabis seeds – Suited for indoor growing – Middle of October – 12/12 Photoperiod – image 1 from Seed City

Royal Queen Seeds

Feminised

12/12 Photoperiod

From £17.90

Advanced Seeds

Feminised

12/12 Photoperiod

From £20.98

Indoor-friendly – Relaxing – Sativa-leaning – OG Kush S.F.V. strain – image 1 – from Advanced Seeds via Seed City

Advanced Seeds

Feminised

12/12 Photoperiod

From £14.79

Royal Queen Seeds

Feminised

12/12 Photoperiod

From £21.74

Slurricane by Advanced Seeds – Berry – Outdoor – Indica-heavy – image 1 – Seed City

Advanced Seeds

Feminised

12/12 Photoperiod

Rated 5 out of 5 based on 1 customer rating

1 review

From £18.78

Gorilla Blue from Advanced Seeds

Advanced Seeds

Feminised

12/12 Photoperiod

From £16.98

Critical Lemon cannabis seeds – Beginning of October – Indoor – Grapefruit – image 1 from Seed City

Advanced Seeds

Feminised

12/12 Photoperiod

From £14.79

Seed City is the best source of cannabis seeds online! Over 6,000 strains from the top breeders worldwide; filtered by over 100 types and at the lowest prices you'll find!

Information

About us

Follow us

All seeds sold are strictly considered for souvenir, collection and/or preservation purposes only, to preserve valuable genetics in case the laws change. Seed City does not want to induce anyone to act in conflict with the law and cannot be held responsible for those who do.

Seed City © 2026 All Rights Reserved.

Purchase Options Loading packs… No pack options found. seed seeds Pack REG FEM Unavailable In Stock Now in stock Selected: single feminised seed single regular seed single seed feminised seeds regular seeds per seed You save View more characteristics View less characteristics Added to cart! Sorry, only {qty} available Sorry, only {qty} left in stock Sorry, you can only add {qty} of this item to your cart Pack Size Selection

Anesia Seeds 20% off the entire Anesia Seeds range.

Big Head Seeds 20% off the entire Big Head Seeds range.

Dutch Passion Seeds 20% off the entire Dutch Passion Seeds range.

Humboldt Seed Company 20% off the entire Humboldt Seed Co range.

Original Sensible Seeds 20% off the entire Original Sensible Seeds range.

Royal Queen Seeds 20% off the entire Royal Queen Seeds range.

TasteBudz Seeds Massive 50% off the full TasteBudz Seeds range.

Terp Treez Co Massive 50% off the full Terp Treez range.

Humboldt Seed Organisation Massive 50% off the full Humboldt Seed Org range.

FastBuds Free FastBuds seeds with selected multipacks this September.

Pure Instinto Free Pure Instinto seeds with selected multipacks.

Sweet Seeds Free Sweet Seeds with selected multipacks this September.

Conscious Genetics Get Pink Quavers plus extra regular freebies.

Grounded Genetics Get Melon Dawg and Peach Chai seeds free.

Paradise Seeds Get a Californian Gold seed completely free.

Ultra Genetics Get two Cheesy Marmalade Toast seeds free.

Old School Genetics Get two The Zosher regular seeds free.

Always Be Flowering Genetics Get three premium feminized seeds completely free.

The Plug Seedbank Get two Spumoni seeds free with any pack.

DNA Genetics Seeds Get two Challah Cake feminized seeds free.

Dank Genetics Get two Lemonaid Sherb seeds completely free.

Black Tuna Seeds Get two exclusive feminized Black Tuna seeds free.

Prolific Coast Seeds Get four KSMORZ regular seeds completely free.

Perfect Tree Seeds Get a matching Perfect Tree seed free.

Common Wealth Seed Co Free bonus seeds with selected genetic lines.

Seeds of Anarchy Get a random bonus strain completely free.

Boudica Seeds Buy one featured 5-pack, get another free.

Arcana Collective Get mystery regulars plus feminized bonus seeds.

Hortilab Get four or more Sour Power seeds free.

Little Chief Collabs Get a Pink Cheesecake seed completely free.

Holy Smoke Seeds Get two Strawberry Jealousy seeds with selected packs.

TH Seeds Free seeds and bonuses with selected TH Seeds packs.

Grateful Seeds Get two Mela Verde feminized seeds free.

Subtotal: View basket Checkout Total Free No products in the cart. Decrease quantity Increase quantity Tap to pick — visit your cart Choose your 999999 free seed Choose your 999999 free seeds Add 888888 more to unlock free seeds 999999 Seed 999999 Seeds 999999 Single Seed 999999 Single Seeds 999999 Single Feminised Seed 999999 Single Feminised Seeds 999999 Single Regular Seed 999999 Single Regular Seeds 999999 Feminised Seed 999999 Feminised Seeds 999999 Regular Seed 999999 Regular Seeds 999999 Autoflowering Feminised Seed 999999 Autoflowering Feminised Seeds 999999 Autoflowering Regular Seed 999999 Autoflowering Regular Seeds