Blueberry Cupcake is an evenly balanced hybrid developed by Humboldt Seed Company through crossing Blueberry Muffin with Wedding Cake. This cultivar was originally discovered by HendRx Farms and highlighted during the Grow-Off 2020. Plants exhibit robust, explosive vegetative growth with notable stretch, making them highly responsive to training. They flower in approximately 60 days (or mid-to-late October outdoors), producing heavy yields of dense, resin-coated, frost-draped buds that frequently express purple hues. Under optimal conditions, mature flowers express a rich terpene profile dominated by myrcene, caryophyllene, and limonene, yielding sweet aromas of blueberry muffin and vanilla cake batter with a fuel-like finish, and a reported THC potential ranging from 28% to 34%.
Blueberry Cupcake Cannabis Seeds
Price range: $65.00 through $240.00
Description
AI Editorial Cultivar Score8.8/10
Highly Recommended
Editorial assessment for comparison only; not a laboratory result or product guarantee.
Aroma Complexity9.2/10
Features highly pronounced sweet blueberry muffin and rich cake batter notes with a gassy fuel undertone.
Resin Potential9.0/10
High trichome density inherited from Wedding Cake makes it an excellent choice for washing hash.
Visual Appeal8.7/10
Dense, frosty colas that frequently exhibit striking purple and green color expressions.
Cultivation Accessibility8.2/10
Vigorous and resilient but requires active canopy management due to significant stretching.
Documentation Confidence9.0/10
Well-documented parentage and performance data through the 2020 Grow-Off and HSC catalogs.
Reported flower potentialCannabinoid Overview
Reported cannabinoid values can vary by phenotype, environment, harvest timing, and testing method.
Genetic relationshipLineage Diagram
Blueberry Muffin
Wedding Cake
Blueberry Cupcake Cannabis Seeds
Reported aromatic compoundsTerpene Profile
Myrcene
Herbal, earthy, and musky
Offers a solid, deeply relaxing structural base for the overall sweet and bakery-forward aroma profile.
Caryophyllene
Spicy, woody, and peppery
Adds a complex peppery punch that integrates with the cake and fuel undertones of the Wedding Cake lineage.
Limonene
Bright citrus, lemon, and orange
Provides a bright, uplifting sweetness that highlights the berry notes and balances the heavier gassy finish.
Cultivation referenceGrow Information
Essential cultivar details
Quick Facts
Key genetics, cultivation, and reported characteristics at a glance.
GeneticsBlueberry Muffin x Wedding Cake
Breeder / OriginHumboldt Seed Company
Cultivar Typebalanced hybrid
Seed TypeAvailable as Feminized, Autoflower & Regular
PhotoperiodPhotoperiod
Reported THC Potential28% to 34%
Reported CBD PotentialNot confirmed
Flowering Time60 days
Plant HeightMedium to tall
StretchSignificant
DifficultyModerate
Yield CharacteristicsHeavy, explosive yields
Indoor SuitabilityYes
Outdoor SuitabilityYes
Greenhouse SuitabilityYes
Climate PreferenceTemperate climates with moderate humidity (45% to 55% RH during flowering)
Dominant TerpenesMyrcene, Caryophyllene, Limonene
Research ConfidenceHigh
Scientific Overview
Blueberry Cupcake is a 50/50 balanced hybrid that was originally discovered by HendRx Farms and popularized by Humboldt Seed Company. It rose to prominence after being featured in the Grow-Off 2020, where it was extensively trialed across varying environments. The cultivar represents a modern breeding effort to marry the stable, mouthwatering terpene profile of an IBL (inbred line) with the heavy-hitting potency and resin output of a contemporary dessert strain. By stabilizing the traits of its distinct parentage, Blueberry Cupcake delivers a predictable growth habit and highly resinous buds suited for both flowers and extraction.
Genetics & Lineage
The genetic blueprint of Blueberry Cupcake is a direct cross between Humboldt Seed Company’s signature Blueberry Muffin (a cross of Razzleberry and Purple Panty Dropper) and the widely celebrated Wedding Cake (a cross of Triangle Kush and Animal Mints). Wedding Cake provides structural density, exceptional resin coverage, and a gassy fuel undertone, whereas Humboldt’s stable, homozygous Blueberry Muffin IBL infuses the cross with consistent bakery-fresh berry terpenes. The strain is often distributed as an S1 (selfed generation), leading to minor phenotypical variations, with some leaning sweeter/fruitier and others exhibiting more of the Cake gas.
Breeder Background
Humboldt Seed Company (HSC), founded in 2001 in Humboldt County, California, by biologists Nathanial Pennington and others, is renowned for its large-scale phenotype hunts and breeding stability. While discovered by HendRx Farms, HSC adopted the clone, refined the line, and made it commercially available. The collaboration underscores HSC’s commitment to sourcing, trialing, and preserving elite West Coast genetics, providing home and commercial growers with highly viable, uniform crops.
Botanical Characteristics
Vegetative plants exhibit exceptional vigor and rapid development, transitioning into a highly energetic stretching phase once flipped to bloom. The foliage features broad, robust fan leaves typical of hybrid structures. This cultivar responds eagerly to organic inputs and is highly resilient against common pathogens, although its rapid vertical expansion can sometimes catch novice growers off guard if not properly managed.
Flower Structure
The buds of Blueberry Cupcake are dense, heavy, and typically conical. At maturity, the flowers present a beautiful tapestry of forest green and deep violet hues, heavily coated in a blanket of sticky, glandular trichomes that wash clean with above-average returns. The dense colas are interwoven with bright, amber-orange pistils, creating strong visual contrast and exceptional bag appeal.
Aroma & Flavor Profile
This cultivar boasts a complex and loud terpene profile dominated by myrcene, beta-caryophyllene, and limonene. The primary aroma is reminiscent of warm, freshly baked blueberry muffins paired with sweet, creamy vanilla cake batter. Underneath this confectionery sweetness is a sharp, chemical finish akin to rocket fuel, which becomes more pronounced during the drying and curing process. On the palate, the smoke is smooth and doughy, delivering a rich, sweet berry taste followed by a lingering gassy undertone.
Cultivation Overview
Blueberry Cupcake is a highly adaptable and forgiving plant that can be successfully grown indoors, outdoors, or in greenhouse facilities. However, because cultivation performance varies based on light cycles, feeding programs, and training, growers must tailor their techniques to accommodate its unique habits—most notably its vigorous growth and stretch.
Indoor Considerations
Indoor growers should anticipate a significant stretch phase. Utilizing canopy control techniques such as low-stress training (LST), topping, or trellis nets (ScrOG) is highly recommended to manage the vertical height. The flowering cycle is relatively short, typically concluding in 55 to 60 days (8 to 9 weeks). For optimal results, maintain moderate humidity levels between 45% and 55% during the flowering phase.
Outdoor Considerations
When grown outdoors, Blueberry Cupcake develops into a large, full-term plant with exceptional yield potential. The branches require early structural support to carry the heavy, resin-dense colas as they mature. In most temperate climates, the harvest window lands between mid-to-late October, typically around October 10th to 20th.
Phenotype Variation
Because most available seeds are S1 generations, slight phenotypical variations are common. Some phenotypes lean heavily toward the sweet, berry-forward Blueberry Muffin parent, retaining its distinct fruit-bakery profile. Other phenotypes display more of the Wedding Cake morphology, with tighter, denser bud structures and a stronger fuel-leaning gas finish. Running multiple seeds is recommended to select a preferred profile.
Frequently Asked Questions
What is the genetic origin of the Blueberry Cupcake strain?
Blueberry Cupcake is a balanced 50/50 hybrid created by crossing Humboldt Seed Company’s Blueberry Muffin with Wedding Cake.
How long does Blueberry Cupcake take to finish flowering?
Indoors, the flowering cycle typically wraps up in about 60 days (8 to 9 weeks). Outdoors, plants are ready for harvest between mid-to-late October.
Does Blueberry Cupcake stretch heavily during growth?
Yes, this cultivar is known for explosive vegetative growth and a significant stretch when transitioning into flower, requiring active canopy management.
What does Blueberry Cupcake smell and taste like?
The aroma features strong notes of sweet blueberry muffins and vanilla cake batter, backed by a distinct gassy rocket-fuel undertone.
Disclaimer
This product profile is intended solely for educational, informational, and botanical reference purposes. Cannabis seeds do not contain active THC or CBD; cannabinoid values referenced herein pertain exclusively to the potential of mature flowers under ideal growing conditions. Germination of cannabis seeds is subject to regional laws; please verify compliance with local regulations before cultivation.
Additional information
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