Top autoflower seeds for Spring Summer 2023

The dance days are back and just as many new autoflower seed strains to cultivate while you’re grooving in the tent, greenhouse or outdoor garden.

Each of these top autoflower seed picks for 2023 are solid go-getters: from true legends to newer breeders producing insanely outstanding autoflower strains. Unlike some regular seeds, autoflowering seeds germinated in spring and summer are sure to finish well before the winter rains.

Seed bank shelves have had to make way for more autoflower seed packs in recent years as popularity in the United States has grown exponentially.

“There’s been this massive boom in autoflowers over the last few years,” Helene B., owner of Gas Lamp Seeds (formerly Hembra), noted when speaking to Leafly recently. “We’ve seen a huge influx of people wanting autoflower seeds.”

The award-winning automatics from Mephisto Genetics

Plant seedlings sprouting in the trellisCourtesy of Mephisto Seeds

The duo behind Mephisto Genetics of Spain has been delighting more autoflower hobbyists than anyone for years with their Autoflower Cup winning genetics and documentation of the project scope and parental lineage of each strain. The team has been working on lines for four to five generations to ensure quality before anything is released.

A long-awaited project thrown back by Covid involves a trio of true gelato slices crossed with some of their own classic strains. Iced ‘n’ Baked (Gelato 41 x Mephisto’s Wedding), Sundae Thumper (Gelato 45 x Forum Stomper), and Gelauto (Gelato 33 x Sour Stomper) will all be released soon.

green nug against black backgroundSundae Thumper, courtesy of Mephisto Genetics

“We didn’t want to do anything quickly because that’s not how we work,” said Mephisto Genetics, breeder and co-founder Mitch. “We still have to do things the way we did from the start.”

MephHeads can also look forward to a special project featuring a 35 year old cut of Old School Haze from the Super Sativa Club in Amsterdam.

Autoflower seeds with big yields

light purple close-up on a gray-purple backgroundGranite Runtz, courtesy of Speedrun Seeds

Autoflowers used to be flimsy and low yielding, but not anymore. Breeder Ben Koch of Speedrun Seeds (formerly Mutant Genetics) conducts extensive phenohunting on his farm in southern Oregon to refine desired traits across multiple daughter generations.

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Aptly named Granite Runtz, Froot Fuel, and Pound Dawg F5 are just a few potent strains that yield big and are readily available from Speedrun.

Many Speedrun Seeds home growers report yielding around 6-8 ounces of dried trimmed bud when using 5 gallon pots. For more experienced growers aiming for yields in excess of a full pound post-harvest, Koch himself recommends 15-gallon pots with reasonable nutrient levels.

Also check out: Boss Hog OG Auto by Cali Connection, Big Shoots Auto by soFem Genetics, Humboldt’s new floral and sweet Apple Blossom, and the Mephisto Genetics Starter Pack & Outdoor Bundle – easy to grow and impressive yields for newbies and grumpy vets alike.

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High yielding autoflowering strains from homegrown

Old-school strains now available as autoflowers

With autoflower seed picks from Twisted Tree, Dark Owl Seeds, and Twenty20 Mendocino, stepping on the old school is just as cool as ever.

Bubble Gum Autoflower Seeds

Close the frosty nutA haze that ends quickly: Hubbahubba Haze. Courtesy of Mephisto Genetics

Nothing beats a classic bubblegum flavor from ’90s Amsterdam to kick things back a bit. Unwrap packets of seeds like Twisted Tree’s Orange Bubblegum and Speedrun Seeds’ Citrus Bubblegum for lip-smacking

When talking about autoflowers and bubblegum, don’t forget Hubbabubba Haze and Hubbabubbsmelloscope by Mephisto Genetics, which breeder Mitch touts as “easy to grow, with a nice bubblegum flavor”.

Classic sativa and kush strains in autoflower seeds

Marathon OG and Bruce Banner 3 Auto by Dark Owl Seeds both deliver classic Kush and Diesel lines respectively from two leading breeders in collaboration. Legendary genetics supplier Cali Connection rewinds the Grateful Dead bootleg to 1991 – Chem ’91 to be precise – with their auto version of the legendary DeadHead OG.

Speaking of exhilarating, the same goes for Twenty20 Mendocino’s Autowreck F4, which uses a classic Trainwreck arcata cut.

Also see: Humboldt Headband & Humboldt Dream and St. Expeditus F4 & Tropical Wiz V.2 by Night Owl.

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Down with sweet terpenes and dessert strains

Clench your teeth with the sweet flavors of some of the most sought-after terpene and smell profiles in weed history: candy and dessert.

Runtz and glucose crosses

Pineapple Runtz by Ethos features gassy “tropical starburst” root profiles that are guaranteed to wow. Supreme Runtz F3 is another speedrun gem, dishing out froot loops and fuel like it’s nobody’s business.

Cake and gelato autoflower hybrids

Super closeup of orange hair on green nuggetHumboldt Seed Company Strawberry Cheesecake, courtesy of the Humboldt Seed Company

The Humboldt Seed Company developed Strawberry Cheesecake over the course of several years. The result is something of a delicious blend of strawberry sweetness and buttery cheese with some fantastic mood-boosting effects.

Mosca Seeds continues to create automatic Gelato crosses with these new F1 hybrids: Larry Bubby Gelly, Strawberry Sky Gelly and Tres Grapes Jelly.

See also: Purple Scoops, Big Gush and Magic Fritter by Roc Bud, Sapphyre by Speedrun, Biscauto & Knows Candy by Twenty20, and authentic Thug Pug genetics in Twisted Trees Pure Michigan Auto.

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Automatic regular seeds for autoflower cultivation

Most of the seeds mentioned above are only available in feminized form. Home growers should try regular autoflower seeds or “auto-regs” to harvest pollen from males. Several top autoflower breeders offer auto-registered seeds.

304 by Gnome Automatics is a great choice due to the stable genetics and excellent hash-washing ability that Dan Jimmie breeds into all of his strains. This strain features pink and purple buds with lots of resin. There’s also a Gnome Box set that includes limited edition seeds and hefty powerhouses like the purple potion of Anvil F8 Auto-Reg seeds.

Also see: Thor’s Hammer F5, Viking Gardens Hammer Time F5 and Purple Thunder and Firebudz Candy Avalanche Auto & Care Bears F5 with auto registration.

Unique and smelly autoflowers

super clpse up white purple hairSplashes from Humboldt Seed Co. Courtesy of Humboldt Seed Co.

It’s so much about showcasing the fruity, sweet, and delicious autoflower strains and trends of recent times. Well, how about we get a little weird?

Squirt by the Humboldt Seed company contains mono- and sesquiterpenes that make the senses last longer and make themselves particularly present in extractions. “It has to do with the molecular structure,” explained Nat Pennington, HSC captain.

Night Owl breeder Daz describes his Vacation Bubba strain as “hot and meaty”. Not to be outdone, Invader Zam has some random phenomena that – according to Daz – can boast “almost blueberry dirty diapery” notes.

Invader Zam can exhibit notes of “almost blueberry dirty diapers.”

Daz, seed of the night owl

See also: Twenty20 Mendocino’s sulphur, garlic and onion mix known as MSG Auto and their Gogo variety’s combusted fuel and onions combo.

Whatever terpene profile your boat may be — bubblegum, runtz, gas, kush, dessert, or even roast beef — choose autoflower seeds that you can nurture with the right nutrients and conditions for success. Choosing stable genetics from any number of reliable breeders that have been mentioned will ensure a better success rate.

OK, time to garden. Let us know how it goes.

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