Blue Dream by Humboldt Seed Org.

Blue Dream strain photo
Type mostly sativaFlower ±63 daysTHC 18%Cross Blue Dream

15 other breeders' versions of Blue Dream — compare flowering times side by side →

Blue Dream originally popped up as a closely held clone out of Santa Cruz, a legendary cross of DJ Short's Blueberry and a Haze, most likely Super Silver Haze. But when Humboldt Seed Organization (HSO) dropped their feminized seed version, the market absolutely exploded. For a solid decade, it felt like every single commercial facility and basement tent across the country was running it.

There's plenty of confusion out there, especially with newer growers mixing up HSO and Humboldt Seed Company. Plus, purists on Overgrow will gladly write you an essay about how no seed line can perfectly replicate a clone-only cut. But regardless of the forum politics and corporate history, HSO’s take on Blue Dream earned its massive reputation. It captures that laid-back West Coast spirit perfectly and delivers exactly what people expect.

In the garden, this strain is an absolute workhorse. It grows like a total beast, throwing massive, heavy yields while resisting pests and powdery mildew like a champ. The buds reek of sweet blueberry haze, and the smoke hits with a perfectly balanced, functional buzz that you can enjoy all day. It might get hate from cannabis snobs for being 'too mainstream,' but any commercial grower will tell you it pays the bills for a very good reason.

🏆 Legendary Foundation Strain

This is one of the most influential cannabis varieties in history. Blue Dream has been used to breed 138 documented descendant strains in our database, making it a cornerstone of modern genetics.

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Similar strains

Blue Dream CBDHumboldt Seed Org. · ±67 daysThree Blue KingsHumboldt Seed Org. · ±66 daysBlue FireHumboldt Seed Org. · ±73 daysAmherst Sour DieselHumboldt Seed Org. · ±68 days707 HeadbandHumboldt Seed Org. · ±63 daysDesert DieselHumboldt Seed Org. · ±63 daysAuto Caramelo MangoCartel Seeds · ±63 daysBlue HawaiianJordan of the Islands · ±63 daysChocolate PosionPure Michigan Genetics · ±63 daysChronicleBlueHemp · ±63 daysCindy IX1Green Work · ±63 daysCitrus TsunamiEnlightened Genetics · ±63 daysAll Humboldt Seed Org. →
BreederHumboldt Seed Org.
Typemostly sativa
Flowering time±63 days
THC18%
EnvironmentOutdoors
LineageBlue Dream
DescendantsNeytiri, Carlifornia Dreaming, Peach Dream, Green Dreams, WhiteNightmare, Blue Dream, OGKB x Wet Dream, Snoop's Dream, Blue Dream Matic, Blue Dream, Gage Green Genetics - Kaleidoscope, Humboldt Dream, Heisenberg Kush, BDTNRF1, Ganja Rebel Seeds - Blue Dream BX, Tru Blue, Loud Dream, Blue Dream, Blue Nebula, TheREM, Blue Dream, Blue Mai Thai, Blue Dream Auto, Alpha Blue, Tatooine Dream, Kaya's Dream, Blue Dream Haze, Pipe Dream, Paranormal Bouquet, Greenpoint Seeds - Dream Catcher, Blue Dream x Key Lime Pie, Pineapple Sativa, Blue Triangle, Dream Berry, Blue Dream Sherbet, Gage Green Genetics - Rhapsody in Blue, Bam Bam Kush, Liams Dream, ABF Genetics - Lit 101, Banana Dream, Blue Amnesia, Perma Dream, MTG Seeds - Dreamweaver, Blue Cheese, Apothecary Genetics - Dream Berry, My Blue #3, The Prophet, Blue Dream Sky, Port Royal, Candy Kush, Cactus Cooler, Blue Tooth, Dream N Sour, Blue Hawaii, Wet Dream, Sweet Dreams, Wet Dream BX1, Digital Dream, Three Blue Kings, Blueberry Lemonade, Purple Dream, Ocean Blue, Velvet Blush, Fancy Weed - Blue Blazes, Wet Dream, Auto Blue Dream, Buddha's Dream, Gage Green Genetics - Lucid Blue, Kush Dream, Pink Dream, Blue Dream, Tropical Blue Dream, Alion, Blue's Revenge, Sweet Blue Lilac, Dreamberry, Dementia, Blueberry Blast, Primal Scream, Dream Lotus, Blue Nina, Blue Dream, Blue Sunshine, Sweet Dreams, Victory Seeds - Blue Dream, Burberry, Pipe Dreams, Blueberry Hashplant, Blood Sweat N Tears, Sour Blue Alien, Blow Dream, Vishnu Kush, Orange Dream, Blue Razz Berry Blow Pop, Blue Zombie, Dream Stardawg, Blue Fire, Bay Dream, Blue Dream, Dream Star, Blue Dream, MTG Seeds - B-4, Victory Seeds - Auto Blue Dream, Nic Endo, Double Dream, Blue Dream, Chiara Kush, Blue Dream, Blue Dream, Jack's Dream, White Dream, Tropical Dream, Red Bee Seeds - Boulder Queen, Blue Cake, Blue Dream CBD, Grape Dream, Enigma, Santa Cruz Trainwreck, Blue Barrel OG, Nitrate, Turpentine, Blueberry Crack, Blue Dream Skunk, Blue Dream, Beast Mode Auto, Blue Royalty, Blue Mountain Koffee, DayDream Haze, Pipe Dream, Blue Mango, Woofa Goofa, Blue Fire, T1000F1, Wedding Ring, Super Blue Dream, Doobiebird Daydream, Blue Monsoon, Tectonic Dream

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🧬 Explore the family: Blue Dream · Neytiri · Carlifornia Dreaming · Peach Dream · Green Dreams · WhiteNightmare · Blue Dream · OGKB x Wet Dream · Snoop's Dream

Ancestry Pedigree

Blue Dream
Clone Only Strains
Blueberry
DJ Short
Blueberry Line
Unknown or Legendary
Temple Flo
DJ Short
Floral Line
Unknown or Legendary
Purple Thai
Unknown or Legendary
Highland Oxacan Gold
Unknown or Legendary
Mexico Sativa
Original Strains
Chocolate Thai
Unknown or Legendary
Thailand Sativa
Original Strains
Afghani
Unknown or Legendary
Afghanistan Indica
Original Strains
HTAF
Unknown or Legendary
Thailand Sativa
Original Strains
Afghani
Unknown or Legendary
Super Silver Haze
Mr Nice Seedbank
Super Silver Haze
Green House Seeds
Original Haze
Cultivators Choice
Haze
Unknown or Legendary
Colombia Sativa
Original Strains
Colombia Sativa
Original Strains
Colombia Sativa
Original Strains
Original Haze
Cultivators Choice
Purest Indica
Clone Only Strains
Afghani
Unknown or Legendary
Hawaii Sativa
Original Strains

Growing Blue Dream: what to expect

As a sativa-leaning plant, plan for a big stretch after the flip (often 100–200%) — flip earlier than feels natural and keep training options ready. Sativa-leaning plants also generally prefer a lighter feed than heavy indicas. Growers familiar with Blue Dream will recognize much of its behavior. Whatever the listing says, the cut in YOUR tent is the ground truth: log feedings, readings, and photos, and let the trends — not the label — drive decisions.

Blue Dream FAQ

How long does Blue Dream take to flower?

Blue Dream typically flowers in around 63 days after switching to a 12/12 light schedule. Individual phenotypes vary, so judge harvest readiness by trichome color, not the calendar.

Is Blue Dream an indica or a sativa?

Blue Dream is listed as mostly sativa.

What are the parents of Blue Dream?

Blue Dream was bred from Blue Dream by Humboldt Seed Org..

How strong is Blue Dream?

Reported THC for Blue Dream is 18%. Actual potency depends heavily on environment, harvest ripeness, and cure quality.

What environment does Blue Dream like?

Standard cannabis bands work well: VPD 0.8–1.1 kPa in veg and 1.0–1.4 kPa in flower, with humidity stepping down from 65–75% as a seedling to 40–50% in late flower. See the stage-by-stage table on this page.

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Facts compiled from public breeder listings. Growing Blue Dream? A structured journal — with your feedings, readings, and photos — is how you find what THIS cut actually wants.

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Published by Cultivar (logmygrow.com), a structured grow journal. These reference bands are the same ones the app grades real grows against. Free to cite with a link. Some outbound product links are affiliate links — see disclosures.