Humboldt Seed Company

Humboldt cannabis seeds are the Emerald Triangle's export to your grow room — feminised photoperiods, autoflowers and fast-flowering hybrids bred in Humboldt County, California by the two breeders who put the region on the map: Humboldt Seed Company and Humboldt Seed Organization. Azarius ships 40+ Humboldt strains across the EU, from legendary OG Kush to 30%+ THC Jelly Donutz. Shop the full range below.

Buy Humboldt Seeds — The Emerald Triangle Buying Guide

Humboldt seeds come from two distinct breeders, both based in Humboldt County — the Northern California region that's been at the centre of cannabis genetics since the 1970s. Humboldt Seed Company (HSC) and Humboldt Seed Organization (HSO) share a postcode and a pheno-hunting obsession, but they're separate outfits with separate catalogues. If you're shopping Humboldt genetics, knowing who bred what saves you time.

Humboldt Seed Company vs Humboldt Seed Organization — Who Breeds What

Why Humboldt Genetics Matter

The Emerald Triangle — Humboldt, Mendocino, and Trinity counties — is where American cannabis genetics got serious. OG Kush, Sour Diesel, Blueberry, Headband, GSC… most of the strains your dealer's nephew claims to have grown trace back to breeders in this 30,000 square-kilometre stretch of redwood country. Both Humboldt outfits have deep stock of original cuts and the pheno-hunting infrastructure to stabilise them into reliable seeds. That's the point: when you buy a Humboldt OG Kush, you're getting the California cultivar from breeders in the zip code that made it famous.

If you're new to seeds, start with an autoflower. Chem-Bomb Auto or OG Kush Auto from HSO will get you from seed to harvest in about 70–80 days without touching your light schedule. If you've grown before and want headline potency, HSC's Jelly Donutz (30–35% THC) or Blueberry Cupcake (28–34%) are as loud as feminised photoperiods get. Experienced growers chasing resin for extraction should look at Dedoverde Haze or Florida Gaspack.

What We Carry

• OG and Kush lines — OG Kush, Cinnamon Buddha OG, Chocolate Mint OG 2.0, All Gas OG, Florida Gaspack, Emerald Fire OG Auto. Pine, fuel, and the West Coast backbone.
• Dessert and candy strains — Jelly Donutz, Blueberry Cupcake, Blueberry Pancakes, Hella Jelly, Mint Jelly, Sour Apple, Mountaintop Mint. THC typically 26%+, flavour front-loaded.
• Fast Flowering photoperiods — Runtz FF, White Runtz FF, Ice Cream Cake FF, Peanut Butter Breath FF. Finish in 8 weeks, not 10+.
• Autoflowers — Chem-Bomb Auto, Pound Town, OGKZ Auto, Mango OG Auto, Banana OG, Pineapple Chem Auto, OG Triploid Auto. Seed-to-harvest in 70–100 days.
• Classic hybrids — Pineapple Skunk, Green Crack 2.0, Blueberry Headband, Dedoverde Haze. The strains that built the catalogue.
• Indica-dominant heavy hitters — Garlic Budder, Banana Sapphire, Ghost of NYC, Pistachio, PPD, Fortune Cookie. Body-focused, resin-heavy, short-to-medium flower.

How to Choose Your Humboldt Seeds

Three questions sort it quickly. Have you grown before? If no, get an autoflower — Chem-Bomb Auto or OG Kush Auto are forgiving and don't need light-cycle management. What's your space? Compact tent (60x60 or 80x80)? Look at autos or short indicas like Blueberry Muffin (60–80cm) or All Gas OG. Full grow room? Fast-flowering photoperiods like Runtz FF or Dedoverde Haze will reward the extra floor space with 450–600g/m². Flavour or potency? HSC for dessert terps and headline THC; HSO for classic OG/Diesel/Haze profiles.

Beginners: start with Chem-Bomb Auto or Blueberry Muffin — both are hard to kill. Intermediate growers who want a "wow" harvest: Jelly Donutz or Florida Gaspack. Advanced growers after clone-only genetics in seed form: Banana OG Auto or OG Triploid. When in doubt, buy OG Kush. It's been the reference point for West Coast cannabis since 1995 and it still is.

Azarius has been shipping seeds across the EU since 1999. All Humboldt packs sold here are 3-seed feminised packs (some strains also available in 10-packs) straight from the breeders — no grey market, no repack.

Frequently Asked Questions

What's the difference between Humboldt Seed Company and Humboldt Seed Organization?

They're two separate breeders in the same California county. Humboldt Seed Company (HSC) focuses on dessert strains and ultra-high THC — Jelly Donutz, Blueberry Cupcake, Hella Jelly. Humboldt Seed Organization (HSO) focuses on classic West Coast genetics — OG Kush, Dedoverde Haze, Lemon Citron. Different catalogues, same zip code.

Which Humboldt seed is best for beginners?

Get an autoflower. Chem-Bomb Auto finishes in about 70 days, handles mistakes well, and gives indica-dominant buds with diesel-earth terps. OG Kush Auto and Mango OG Auto are also forgiving. Photoperiod-wise, Blueberry Muffin stays compact (60–80cm) and finishes flowering in 45 days — hard to mess up.

What's the highest THC Humboldt strain you stock?

Jelly Donutz from Humboldt Seed Company, at 30–35% THC. Blueberry Cupcake (28–34%) and Blueberry Pancakes (31%) are close behind. Mint Jelly Auto and OG Triploid Auto both hit up to 30% in autoflower format — unusual for autos.

Are Humboldt Fast Flowering seeds the same as autoflowers?

No. Fast Flowering seeds like Runtz FF and Ice Cream Cake FF are photoperiod plants — you still switch them to 12/12 to trigger flower — but they finish in 7–9 weeks instead of the usual 9–11. Autoflowers flower automatically based on age, regardless of light cycle.

How many seeds come in a Humboldt pack?

Three feminised seeds per pack on most strains. Some HSO lines (Runtz Fast Flowering, Banana Sapphire) are also available in 10-seed packs. All seeds in stock are feminised — no regular or CBD-specific lines from either breeder.

Can I grow Humboldt seeds outdoors in Europe?

Yes, especially the fast-flowering and auto lines. Florida Gaspack, Ghost of NYC, and Dedoverde Haze handle outdoor conditions in southern and central Europe well. In northern climates (UK, Netherlands, Germany), autoflowers like Chem-Bomb Auto or OGKZ Auto are safer bets — they finish before autumn damp sets in.

Last updated: April 2026