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Humboldt Seed Org

Humboldt is the epicentre of the marijuana industry in Northern California, which is the most renowned marijuana production area in the U.S.A.

Humboldt Seeds Organization is a collective of growers and breeders working in the Humboldt area, producing high quality organic marijuana for dispensaries, collecting and testing seeds and clones of the best strains, researching into specific medical strains, and breeding the best cannabis genetics California has to offer.

Our philosophy is to go as green as possible, so our business is based on sustainable economic practices, including the use of only organic nutrients, respect and integration with our environment, recycling all the waste, and helping local businesses by buying green and local.

Our aim is to offer the best Californian genetics to the global cannabis community so anyone can benefit from the Medical applications of our work.

We hope to help people, and plan to offer exciting new strains in the following years, including specific medical strains being developed right now.


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707 Headband Feminised Seeds

Potent Kush with medicinal benefits as well as good yield and taste from it's strong genetics.
From £24.99

707 Truthband by Emerald Mountain Feminised Seeds

An elite underground classic from California presented by Ras-Truth
From £24.99

Amherst Sour Diesel Feminised Seeds

This legendary elite clone was gifted to HSO by their Mendocino partners many years ago. It´s the real deal and for those that know, the taste is superb and intense, plus the high is immense.
From £21.99

Black D.O.G. Feminised Seeds

This F1 selection was the combination of three classic Northern California genetics. HSO’s Blackberry Kush crossed with the Emerald Headband gave birth to the Black D.O.G.
From £19.99

Blue Dream Auto Feminised Seeds

This top producing automatic strain is tall and vigorous, with tight internodes and blue shades of colour. It has a strong floral berry aroma followed by peppery undertones.
From £24.99

Blue Dream CBD Feminised Seeds

Blue Dream CBD is a cannabis seed with fast and vigorous growth, supported by an aggressive root system.
From £23.99

Blue Dream Feminised Seeds

This cross of Blueberry and Haze is known for its very pleasant fruity- tangy- earthy taste, blue colour, and strong and lasting, mixed mind and body high.
From £24.99

Blueberry Headband Feminised Seeds

An Indica dominant cross between Blueberry & Bubba Kush - simply irresistable!!
From £21.99

Bubba Cheese Auto Feminised Seeds

A powerful flavour fuse was accomplished with the combination of the Earth and pepper overtones from the pre'98 Bubba and the iconic "Exodus" Cheese taste, providing a unique and superior taste mix.
From £24.99

Bubba Kush 2.0 Feminised Seeds

Bubba Kush is one of the best Indicas in the world. Grows like a compact bush with very dark coloured broad webbed leaves, and sour coffee indica smell and taste.
From £23.99

Bubba Kush Auto Feminised Seeds

The best Indica California has to offer, with large broad leaves, and deep forest green colour was bred to create this autoflowering strain.
From £24.99

Bubba Kush Feminised Seeds

A pure Indica strain that is also extremely sweet. The high of Bubba Kush is intense and physical, leaving your body feeling totally relaxed.
From £21.99

Bubba Kush Regular Seeds

Bubba Kush is a cannabis hybrid that has an aroma of sweet fruit, oil and exotic wood and an intense flavour with dominant hints of earth, chewing gum, sandal wood and spices.
From £29.99

Bubba's Gift Feminised Seeds

The Pre-98 Bubba Kush was crossed into God’s Gift making for a powerful Indica and an unmistakable presence.
From £23.99

Chemdawg Regular Seeds

Chemdawg is a cannabis seed that stems from the original line devised by its creator, as it is the result of the original Chem 91 elite clone.
From £32.99

Dedoverde Haze Auto Feminised Seeds

Potent, resinous autoflowering haze for connoisseurs to get B-Real
From £20.99

Dedoverde Haze Feminised Seeds

Super Haze hybrid of Original Amnesia x California Haze - hold on to your socks!
From £24.99

Desert Diesel Feminised Seeds

Humboldt Seed Organisation friends from Emerald Mountain seeds gave them some new Diesel testers a few years back. They crossed the best of them with HSO Amherst 81st and then they stabilised it.
From £22.99

Dr Greenthumb's EM Dog by B-Real Feminised Seeds

Dr Greenthumb's Em-Dog by B-Real of "Cypress Hill" is the cross between *OGK3* and a Chem#4.. B Real´s friend and in house Cypress Hill breeder Keif Sweat has created this cross, some of the best and most expensive weed actually available in LA. Keif Sweat is part of the Cypress Hill / Soul Assassins crew, and his product is being smoked by all of LA's top Dj's, musicians and celebrities.
From £32.99

Ewe-2 Feminised Seeds

Powerful Indica that doesn't hang about
From £27.99

Green Crack CBD Feminised Seeds

Humboldt Seed Org. have created an elite pedigree hybrid unique among therapeutic cannabis seeds.
From £24.99

Green Crack Feminised Seeds

One of California's most famous cash crops has now become a global icon. HSO is proud to introduce this elite selection, branded with the classic Skunk#1 x a pure isolated Afghani.
From £24.99

Lemon Garlic OG Feminised Seeds

Uniquely flavoured kush hybrid - smelly but strong and hardy
From £24.99

Lemon Juice Express Autoflowering Feminised Seeds

An autoflowering line that tastes like pine and lemon, this sweet lady will surprise growers because of the speed at which it developes its growth and flowering.
From £17.99

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