Blueberry Chem
I’m weeks away from a big new harvest, so I’ve cut these to half price to make room. Final release—once they’re gone, they’re gone. Blueberry Chem unites the old-school and new: Blueberry Sugar (Blueberry Frosting × Grape Cream Cake) from Bloom Seed Co and Stardawg Guava, a prized cut of Top Dawg’s Chem line (Chem 4 × Tres Dawgpropercannabis.com). This feminized cross, Blueberry Chem, is a collector’s holy grail – preserving DJ Short’s vintage Blueberry essence while unleashing the ferocious Chem Dawg potency of Stardawg Guava in a single, stable strain.
Blueberry Chem is a trans-generational cross that captures the very soul of classic cannabis and reimagines it through a contemporary lens. On one side, we have Blueberry Sugar, a cultivar that carries forward the fabled Blueberry lineage. Developed by Bloom Seed Co., Blueberry Sugar merges Blueberry Frosting (an enhanced take on DJ Short’s 1970s Blueberry) with Grape Cream Cake (a modern grape-flavored delight from Cannarado)greenpointseeds.com. This parent is all about terpene richness and balance – it inherited the lush berry aroma and calming indica traits from the original Blueberry, while Grape Cream Cake contributed a dash of grape candy sweetness and increased frost. Blueberry Sugar’s claim to fame is how it modernized a vintage strain: by improving mold resistance and yield without losing that true-blue “Blueberry” charactergreenpointseeds.com that connoisseurs hold dear. It’s essentially a preservation project in itself, safeguarding the genetics of one of the cannabis world’s most storied lines and proving that Blueberry, when respectfully remixed, can still stun in the era of Gelatos and Runtz.
Facing it is Stardawg Guava, a renowned phenotype of the legendary Stardawg from Top Dawg Seeds. Stardawg (Chem 4 × Tres Dawg)propercannabis.com was JJ NYC’s magnum opus in the 2000s, created to distill the best of Chemdog into seed form. The “Guava” cut, in particular, stood out for its tropical, sweet twist on Stardawg’s normally acrid chem fuel stench – hence the moniker “Guava.” This phenotype likely emerged from Stardawg’s rich pool around 2011 and quickly became coveted, to the point that Top Dawg released a Stardawg Guava line so others could explore its genetics. At its core, Stardawg Guava carries the torch of the Chem family: traces of the original Chem ’91 and Chem D (through Tres Dawg, which is Chem D × Afghani) give it that diesel skunk potency, while the Chem 4 lineage imparts a slightly fruitier, uplifting edgehightimes.com. Guava dialed that fruitiness up – users noted a unique sweet, tropical gasoline aroma that set it apart from the more “garlic” or “gym sock” Chems. To the collector, obtaining Stardawg Guava (often clone-only) meant touching the direct line of Chemdog, one of cannabis’ founding legends.
In Blueberry Chem, these two parents perform a duet that many breeders only dream of. Each seed holds the potential for phenotypes that could lean in remarkably different directions, yet complement each other like two sides of a coin. A Blueberry-dominant pheno may grow medium in height, with plush broad leaves and tight internodes, displaying blue and lavender tinges late in bloom. Its aroma could be a throwback to a Mendocino blueberry patch – sweet, musky berry – but now laced with an undercurrent of chemical astringency, as if those blueberries were growing next to a fuel tank. Smoking such a pheno (for those who eventually germinate their collectibles) would evoke that nostalgic Blueberry exhale, now supercharged by a lingering Chem funk that coats the palate. Conversely, a Chem-dominant pheno might shoot taller, with sparser nodal spacing and the lime-green, fox-tailed buds typical of Stardawg. The scent here would be sharper: hardcore diesel and ammonia notes, but intriguingly softened by a candied fruit backdrop – the Guava cut’s signature – and maybe a hint of berry at the fringes. This phenotype would be the potency powerhouse, likely testing the upper limits of THC as Stardawg is known to do, while still offering a tint of Blueberry’s euphoria to smooth the otherwise racier Chem high.
For the seed collector and genetic preservationist, Blueberry Chem represents a crucial conservation of traits. In an age when pure Blueberry lines and original Chemdog lines are increasingly hard to find, this cross locks both into a single strain. It’s a bit like capturing lightning in a bottle twice. The singular characteristic that defines Blueberry Chem’s appeal is its rare synergy of terpenes: very few strains on the market can boast a true melding of blueberry muffin sweetness and skunky petrol fumes in one. This is a direct result of combining these two lineages, and it’s something that might have been lost had these genetics not been brought together. Additionally, Blueberry Chem showcases hybrid vigor and stability; by using a refined Blueberry hybrid and a proven Stardawg line, the offspring are robust and uniform enough to satisfy collectors who prefer reliable expressions, yet varied enough to hunt a “unicorn” phenotype.
In essence, Blueberry Chem is a love letter to the classics, written in the ink of modern breeding. It’s DJ Short meeting JJ NYC on Greenpoint’s playground – an unprecedented collaboration of genetic artistry. As part of the Opal Collection, Blueberry Chem embodies the celebration of heritage: it invites you to relish the sweet smoke that defined the ’70s and the pungent punch that ruled the ’90s, all in one luxurious draw. Whether one holds these seeds as a collectible or grows them to see the story unfold in trichomes and terpenes, Blueberry Chem secures the legacies of Blueberry and Chemdog for posterity, proving that in the spiral of cannabis evolution, sometimes the most exquisite results come from looping the thread back to where it all began.
| Weight | 0.25 oz |
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| Lineage | Chem 4, Stardawg, Tres Dawg, Blueberry Frosting, Blueberry Sugar, Grape Cream Cake |
6 reviews for Blueberry Chem
| 5 star | 100 | 100% |
| 4 star | 0% | |
| 3 star | 0% | |
| 2 star | 0% | |
| 1 star | 0% |
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JM
Love the structure! Going to be an easy one to trim. Thanks GP!

Somwhiteboi
Greenpoint is on point.

Somwhiteboi
Greenpoint is on point.

Somwhiteboi
Greenpoint is on point.

Jacob Ammann
Easy peezy lemon squeezey..

Jacob Ammann
Easy peezy lemon squeezey..

Jacob Ammann
Easy peezy lemon squeezey..

Anonymous
Smells fire already week 3 into week 4 flower. Very nice.








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Love the structure! Going to be an easy one to trim. Thanks GP!
Greenpoint is on point.
Easy peezy lemon squeezey..
I popped 2 seeds and both thrived looking great at 7wks in. Great berry gas nose. Very frosty
Smells fire already week 3 into week 4 flower. Very nice.
Dank