The Trendiest Genetics of This Summer (2026)

Every summer has its soundtrack, and this year at Alchimia it's been pretty clear. Between what leaves the warehouse, what you ask us on the phone and in-store, and what you tell us later in product reviews, certain names keep coming up again and again.

If we had to sum up the season in four trends, these would be them. Triploids are no longer a curiosity: a year ago they were bought to try out, this summer they're being bought to produce, because the promise of seedless buds and plants with extra vigor has truly caught on. Purple remains popular, and varieties that combine color and flavor sell out faster than any others. The modern American profile - gas, candy, cereals, Cookies - dominates everything new. And citrus has made a strong comeback outdoors, with lemon, tangerine and Tangie in large, productive formats.

These are the ten genetics that have performed best, with what's behind each one.

Strawberry Banana Auto by Philosopher Seeds

The Strawberry Banana Auto variety combines Banana Kush (Ghost OG x Skunk/Haze) with the strawberry phenotype of Bubblegum, and adds Magnum from Buddha Seeds to provide the autoflowering gene. Being an F1 cross between lines with no common ancestors, it's normal to find some phenotypic variation between plants, although they all share the same fruity character.

In flavor, it gets straight to the point, with ripe banana and tart strawberry up front over a sweet and creamy background you recognize from afar, and the effect leans clearly toward the sativa side: happy, euphoric, and sociable. It stands out for its vigor and good branching, and it's the auto we most recommend to anyone who wants flavor without complicating the cycle. In fact, it's one of the most repeated by customers who are starting out with autoflowers.

Permanent Marker XL Auto by Sweet Seeds

A cross of Permanent Marker with Permanent Jealousy XL Auto, the Permanent Marker XL Auto comes in feminized autoflowering format of eighth generation and with a genetics of 66.6% indica and 33.3% sativa.

Its aromatic profile is among the most complex of the season: candy and gummy up front, Cookies nuances with a minty touch, earthy and Skunk background, and hints of diesel that give it depth. With a THC ranging between 23% and 30%, it kicks off with a creative euphoria and gradually shifts toward a comfortable relaxation that doesn't knock you out. In cultivation, it develops medium-tall plants with an open structure, something quite unusual in XL autos and much appreciated because it allows light to reach the lower parts, forming compact buds absolutely loaded with trichomes. The name Permanent Marker is, right now, one of the most sought-after draws in the entire auto catalog.

Tangie Jungle Juice by Sensi Seeds - Alchimia Exclusive

The Tangie Jungle Juice is a variety created by Sensi Seeds Research exclusively with us to celebrate our 25th anniversary, bringing together two originals from the bank: Mandarin Punch (Maple Leaf Indica, White Widow, NYC Diesel and California Indica) and Screwdriver OG (Purple Punch x Clementine). The result is a hybrid that's 60% sativa and 40% indica.

The flavor is an intense and juicy citrus, with tangerine and orange very present over a sweet background, and the effect follows the classic sativa pattern: it starts stimulating and clear-headed, and over time descends to a body relaxation that doesn't cloud concentration. It delivers XXL productions with a height slightly above average, and works especially well for extractions, particularly in fresh frozen. Being exclusive and limited edition, it has been one of the fastest selling releases of the season.

Free Blueberry Nation by Anesia Seeds

The Free Blueberry Nation is a triple cross between Blueberry Cupcake, Blackberry Moonrocks and Glowberry Rush, with a 70% indica and 30% sativa distribution.

On the nose and palate it's pure red fruit dessert: very ripe blueberry and blackberry with a background of sweet cake and candy. With a content of up to 34% THC, we're talking serious business; the effect starts in the head, with clarity and some euphoria, and ends in a deep and long-lasting body high. At the end of flowering it develops beautiful purple and blue tones, with dense buds and very high resin production. It's the genetics requested by customers who come looking for the most potent in the catalog, and the bag appeal helps them come back for more.

GrandDaddy Purple by Barney's Farm - Alchimia Exclusive

The GrandDaddy Purple variety is the classic Californian as always, Purple Urkle x Big Bud, with 70% indica and 30% sativa, here in feminized version exclusive from Barney's Farm for our 25th anniversary.

Its sweet grape and berry flavor over an earthy base with spicy touches remains one of the most recognizable out there, and the effect, around 25% THC, is a deep and somewhat narcotic relaxation that undisputedly makes it an evening-nighttime variety. From Purple Urkle it inherits the intense purple color and from Big Bud the ability to form huge, compact buds, all in about 65 days of flowering, with an easy-to-manage and highly productive cultivation.

Purple Mango Kush Early Version by Delicious Seeds

The Purple Mango Kush Early Version starts from Purple Mango Kush (Lavender x Delicious Cookies), to which ruderalis genetics have been incorporated to drastically shorten the cycle without losing the photoperiod, maintaining its 60% sativa dominance.

Aromatically it's sweet floral and citric, with that ripe mango nuance that gives it its name, and the effect is very balanced and manageable, with a pleasant mental stimulation at the beginning and a gentle relaxation at the end. Its great asset is what gives the Early Version line its name: you harvest earlier, avoid September rains and greatly reduce the risk of fungi. Combined with the green, purple and orange colors of the buds, it has become one of the most recommended outdoor options of the season for the northern peninsula and humid climates.

California Octane Triploid by Humboldt Seed Company

The California Octane Triploid is an I-369 x Dream Queen x Papaya cross in triploid version, where the three sets of chromosomes are achieved through natural chromosomal induction, without transgenesis or genetic modification involved. The result is a 50/50 hybrid.

In flavor there's gasoline, lots of gasoline, and underneath appear guava and a creamy background that rounds out the whole. With an estimated THC between 28% and 34%, it offers a potent cerebral high with that sensory depth that connoisseurs seek. Being sterile, it produces no seeds or viable pollen, so the buds come out clean even if there's pollen nearby, and to that it adds extra vigor, super stacked flowers and 60 days of indoor flowering, with outdoor harvest between October 1st and 10th. Its resistance to fungi, pests and heat is excellent. It is, by far, the triploid we've been asked about the most this summer.

Papaya Triploid by Advanced Seeds

Triploid version of the classic Papaya, developed by Advanced Seeds with the same type of technology: three copies of the genetic material and seedless flowers.

The profile of the Papaya Triploid is tropical and sweet, with papaya and ripe fruit very pronounced, and the effect is relaxing and physical, pleasant and smooth, with up to 30% THC according to the breeder. In cultivation it develops a compact and balanced structure, with good lateral branching and moderate internodal spacing that makes it very manageable indoors, and a short flowering time of around 50-55 days. It's the perfect entry point to triploids: reasonable price, easy cultivation and that uniformity between plants that's so appreciated.

Lemon Mandarin by Fast Buds

The Lemon Mandarin is born from crossing the Lemonade clone from Fast Buds with Tangie, in the selection from Crockett's Family Farms. It's part of the breeder's new line of photoperiod feminized seeds, which until recently was exclusive territory for their autos.

The first thing that catches your attention is the citrus explosion of lemon, zest and ripe mandarin, with that bittersweet touch that stays on your clothes, accompanied by an euphoric and revitalizing effect, very daytime-suitable with a THC of between 25% and 30%. In cultivation it's a beast, capable of reaching 150-200 cm with strong lateral branches and yields of 500-600 g/m² indoors in 9-10 weeks, so it demands space, support and really benefits from SCROG and defoliation. Where it gives the best of itself is in Mediterranean outdoor and greenhouse, and due to trichome production it has become one of the favorites for extractions.

Sugar Rock by Silent Seeds x Cookies

The Sugar Rock is the result of Silent Seeds' exclusive collaboration with Cookies, Berner's Californian brand, and born from the cross between Cereal Milk and Fruity Pebbles OG.

Flavor is its strong point, with sweet cereals and milk, freshly made pastries, and creamy dessert notes that place it among the sweetest profiles in the catalog, and with a THC of between 25% and 26% it hits hard from the first puff, with that enveloping touch so characteristic of the Cookies family. It develops a slender and vigorous structure, with medium to long internodes that allow light to reach the lower areas well, and two or three slightly different phenotypes appear, all with a very striking color palette.

Fruity flavors and intense effects

Seen as a whole, this top 10 says quite a bit about where things are at right now. Potency is already taken for granted—almost all hover around or exceed 25% THC—and what makes the difference is something else: the aromatic profile, the color of the bud, and, increasingly, the technology behind the seed. Triploids have been the real novelty of the summer, citrus and candy profiles have dominated the new releases, and the timeless classics are still there proving they're not going anywhere. A catalog this varied is, most likely, the best sign that the scene is in good shape.

If you're torn between two, write to us or stop by the shop: between what we've grown and what you tell us in the reviews, there's almost always a clear answer. And if you've already tried any of these, tell us about it in the product page—those reviews are what end up helping the next person.