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0 reviewsAutoflowerFeminized

Humboldt Auto brings that deep forest calm straight to your grow space. Compact, earthy, and ridiculously easy to grow, this strain does the hard work while you kick back and enjoy the ride.

  • 20 percent THC with 1 percent CBD
  • 70 to 80 days from seed to harvest
  • Up to 450 grams per square meter indoors
  • Grows 60 to 100 cm indoors
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  • Shipped discreetly from NY, USA
  • Free shipping above $100.00
  • Germination Guarantee
  • 4.7/5 Based on 2335 reviews
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Humboldt Auto

0 reviewsAutoflowerFeminized

Humboldt Auto brings that deep forest calm straight to your grow space. Compact, earthy, and ridiculously easy to grow, this strain does the hard work while you kick back and enjoy the ride.

  • 20 percent THC with 1 percent CBD
  • 70 to 80 days from seed to harvest
  • Up to 450 grams per square meter indoors
  • Grows 60 to 100 cm indoors
Add to cart
  • Shipped discreetly from NY, USA
  • Free shipping above $100.00
  • Germination Guarantee
  • 4.7/5 Based on 2335 reviews
Secure payment options
CryptoUS CashCheckVenmoMoney OrderCredit Card (VISA and Mastercard)Credit Card (VISA and Mastercard) 2

Why you should buy Humboldt Auto seeds

Humboldt Auto is the kind of strain that doesn’t shout for attention but wins growers over fast with its steady performance, calming effects, and effortless grow. This is an autoflower that carries the quiet confidence of good Humboldt County stock, offering an earthy and grounded experience in every sense of the word.

With 20% THC and just enough CBD to round things out, it’s not here to knock your socks off. It’s here to help you ease into the evening, soften the edges, and enjoy that feeling when your brain finally shuts up for a minute. Whether you’re growing in a small tent or tucked away in a cooler outdoor spot, this little gem can handle it.

Strain Overview

Origin

The name says it all. Humboldt Auto pulls its roots from the legendary hills of Humboldt County, California, a region that practically wrote the book on outdoor cannabis cultivation. By adding Ruderalis to the mix, breeders gave this strain an automatic boost. You still get the calm, forest-born power of the original, paired with the added bonus of autoflowering convenience and a faster turnaround. This one is all about keeping things simple without sacrificing the heritage.

Effects & Flavors

The high settles in slowly but surely, wrapping the body in a deep, steady calm while keeping the mind clear and gently euphoric. It’s not a couch-lock experience, but it does lean into the laid-back. Perfect for quiet nights, solo creative sessions, or winding down after a long day that didn’t go quite to plan.

As for the flavor, you’re getting a full forest experience. Earthy tones come first, followed by a clean pine finish and just enough woodiness to make you think of fresh-cut lumber and mountain trails. It’s not sweet, not fruity, not flashy, and that’s exactly the point. It’s natural, clean, and unmistakably old-school.

THC & CBD Levels

At 20% THC, this one brings enough firepower to make an impression, but it does so in a calm and controlled way. The 1% CBD helps smooth the ride, making it less edgy and more restorative. This is the kind of potency that works well across the board. Strong enough to satisfy regular users, yet balanced enough that beginners won’t feel overwhelmed.

Terpenes

The terpene profile keeps things in line with the experience. Myrcene sets the mood with that deeply relaxing, physically soothing quality. Pinene sharpens things up just enough to keep the head from getting too foggy. Caryophyllene adds a subtle kick of warmth that sits nicely in the chest and may even take the edge off a tense body. Together, they give this strain its classic, pine-rich aroma and that steady, comfortable high it’s known for.

Growing Humboldt Auto Seeds

Grow Difficulty

This is one of those strains that practically grows itself. It doesn’t mind a bit of beginner clumsiness, doesn’t throw a fit over imperfect conditions, and bounces back quickly if things go sideways. Whether you’re growing your first crop or just want something you don’t have to babysit, Humboldt Auto delivers a smooth ride from start to finish.

Indoor vs. Outdoor Growing

Indoors, plants stay nicely compact, usually between 24 inch and 39 inch, which makes them ideal for small tents or stealthier setups. Outdoors, they stretch a little more, peaking between 28 inch and 47 inch depending on conditions, but still stay discreet and manageable. The strong fungal resistance makes it a great choice for growers in cooler or more humid climates. Its genetic stability makes it a reliable performer across a wide range of environments, from mild Mediterranean spots to more temperate or even colder grow zones.

Flowering Time & Yield

You’re looking at a flowering period of around 70 to 80 days from seed to harvest, which makes this a solid choice for quick turnarounds or squeezing in an extra outdoor run before the weather turns. Indoors, yields typically fall between 1.1 oz per square feet and 1.5 oz per square feet. Outdoors, you can expect anywhere from 14.1 oz per plant to 17.6 oz per plant when given plenty of light and space. It’s not a massive producer, but it punches well above its size class and does it consistently.

Buy Humboldt Auto Seeds Online at WeedSeedsExpress

If you’re after a no-fuss, compact autoflower with real West Coast roots and a calming, earthy high, Humboldt Auto is one to watch. It’s forgiving, fast, and flavorful, with that subtle strength that makes it easy to love and hard to forget.

Pick up your seeds today at WeedSeedsExpress and see what a humble little powerhouse can do in your garden.

Ordering Information

Our seed bank is proudly located in the United States, in the heart of New York City.

When you order seeds from WeedSeedsExpress, we’ll ship them locally from our New York warehouse, ensuring fast, reliable, and discreet delivery.

Unlike other seed banks that ship from overseas, you won't have to worry about lengthy international shipping times or customs stopping your package.

Our US customers can expect their seeds in only 2-5 business days.

You can find further details about our ordering conditions related to shipping, payment, and guarantees below.

Our goal is to give you the best experience possible! We ship your order quickly, offer free worldwide shipping, use discreet packaging, and guarantee delivery on all tracked orders.

Free shipping

We ship for free on orders above $ 100.00.

Discreetly packaged

Your privacy matters. Our shipments are super discreet, with no mention of cannabis or seeds anywhere.

Delivery time

You can expect your order within 2 to 8 business days.

Free replacement

In rare cases where your seeds get damaged or lost during shipping, we’ll replace them for free!