Guava Cupcake is a modern sativa-dominant hybrid developed by Phylos Bioscience through the crossing of Franken Cakes #46-O and Gorilla Diesel #21-O. Tailored for exceptional agronomic vigor and uniform canopy architecture, this cultivar produces mature flowers with reported THC potential around 27% alongside a total terpene concentration of 1.6%. Mature buds exhibit tropical fruit aromas layered with bakery sweetness, pine, and distinct sourdough undertones. Outdoor cultivators value Guava Cupcake for its rapid 7 to 8 week flowering window, prominent pink pistil expression in open-air conditions, and granular trichome production prized for solventless hash extraction.
Tropical Guava Sweetness Meets Pungent Diesel Heritage and Rapid Flowering
Engineered for high vigor, canopy uniformity, and exceptional resin washability, Guava Cupcake merges dessert sweetness with robust fuel undertones. With a rapid 7 to 8 week finishing time and high natural light resilience, it provides commercial and craft outdoor growers with dependable agronomic performance.
Reaches full maturity in just 7 to 8 weeks, ideal for shorter outdoor cultivation seasons.
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Unique Terpene Complex
Features a 1.6% terpene load driven by beta-myrcene, limonene, and beta-caryophyllene.
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Superior Extraction Resin
Develops sandy, granular trichomes known to release cleanly during solventless ice water washing.
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Striking Visual Traits
Frequently produces distinct pink-hued pistils when exposed to natural outdoor sunlight.
AI Editorial Cultivar Score8.7/10
AI Editorial Score
Editorial assessment for comparison only; not a laboratory result or product guarantee.
Aroma Complexity9.0/10
Offers an intricate sensory combination of tropical fruit, pine, and fermented sourdough bakery notes.
Resin Potential9.2/10
Exhibits a sandy, easily detached trichome head structure specifically suited for solventless extraction.
Visual Appeal8.8/10
Produces tight green calyx structures highlighted by distinctive pink and coral pistils in outdoor setups.
Cultivation Accessibility8.2/10
Responds well to standard training and short season finishes, though bred primarily for natural light environments.
Documentation Confidence8.5/10
Strongly supported by breeder agronomic data, COAs, and legal market dispensary testing.
Reported flower potentialCannabinoid Overview
THCNot confirmedMature flowers; not seed contentCBDNot confirmedMature flowers; not seed content
Reported cannabinoid values can vary by phenotype, environment, harvest timing, and testing method.
Genetic relationshipLineage Diagram
Franken Cakes
Gorilla Diesel
Guava Cupcake Cannabis Seeds
Reported aromatic compoundsTerpene Profile
beta-Myrcene
Earthy, herbal, ripe fruit
The predominant terpene in Guava Cupcake, contributing sweet tropical depth and grounding herbal undertones.
Limonene
Citrus, sweet, tangy
Imparts bright tropical fruit accents that amplify the cultivar's distinctive guava and pineapple character.
beta-Caryophyllene
Spicy, peppery, woody
Adds depth and subtle warmth, bridging the cake pastry sweetness with the gassy diesel parentage.
Cultivation referenceGrow Information
HeightMediumFlowering7 – 8 weeksClimateTemperate to warm Mediterranean climates with early autumn finishing requirementsDifficultyModerateYieldMedium to high yield potential with high canopy densityStretchMedium stretch; develops a flat, uniform canopy when topped and trainedIndoorNot confirmedOutdoorHighGreenhouseHigh
Essential cultivar details
Quick Facts
Key genetics, cultivation, and reported characteristics at a glance.
GeneticsFranken Cakes #46-O x Gorilla Diesel #21-O
Breeder / OriginPhylos Bioscience
Cultivar Typesativa-dominant hybrid
Seed TypeAvailable as Feminized, Autoflower & Regular
PhotoperiodPhotoperiod
Reported THC PotentialNot confirmed
Reported CBD PotentialNot confirmed
Flowering Time7 – 8 weeks
Plant HeightMedium
StretchMedium stretch; develops a flat, uniform canopy when topped and trained
DifficultyModerate
Yield CharacteristicsMedium to high yield potential with high canopy density
Indoor SuitabilityNot confirmed
Outdoor SuitabilityHigh
Greenhouse SuitabilityHigh
Climate PreferenceTemperate to warm Mediterranean climates with early autumn finishing requirements
Guava Cupcake represents modern cannabis breeding targeting both chemical potency and agronomic efficiency. Developed as a stabilized F1 line by Phylos Bioscience, it combines selected parental stock from Franken Cakes #46-O and Gorilla Diesel #21-O. Laboratory analyses show that mature dried floral material consistently tests at roughly 27% THC (±2%) with a total terpene concentration around 1.6%. The cultivar is botanically characterized by medium internodal spacing, strong apical dominance that flattens reliably under standard canopy training, and glandular trichome heads that separate cleanly during mechanical extractions.
Genetics & Lineage
The genetic foundation of Guava Cupcake unites two distinct modern breeding lines: Franken Cakes #46-O and Gorilla Diesel #21-O. Franken Cakes contributes complex dessert notes, tight calyx formations, and heavy resin density. Gorilla Diesel contributes vigorous vegetative growth, robust lateral branching, and sharp gaseous fuel undertones. This hybridization produces an expressively aromatic sativa-dominant profile that retains the dense floral structure and resin yield of modern hybrid cannabis.
Breeder Background
Guava Cupcake was bred by Phylos Bioscience, an agricultural genomics and breeding firm based in Oregon. Phylos utilizes data-driven breeding techniques and marker-assisted selection to produce true F1 hybrid seed lines optimized for vigor, disease resistance, and canopy uniformity. The variety has also entered commercial markets through production partnerships with large-scale producers such as Phat Panda in the Pacific Northwest.
Botanical Characteristics
In vegetative and early floral phases, Guava Cupcake exhibits vigorous vertical and lateral development with a medium stretch ratio. Stems are sturdy, capable of supporting dense terminal colas without excessive staking under normal conditions. When topped and subjected to low-stress training (LST) or trellis netting, the plants form an exceptionally uniform, level canopy. Foliage displays classic hybrid morphology, featuring olive-green fan leaves with moderate blade width and regular serration.
Flower Structure
The mature flowers of Guava Cupcake are dense, conical, and tightly packed along the nodes. Calyxes swell significantly in the final two weeks of flowering, forming compact, golf-ball to spade-shaped clusters. Glandular trichomes cover the entire floral surface with a sandy, granular texture that is highly prized by solventless hash makers. Under natural sunlight and specific outdoor microclimates, the stigmas exhibit a striking pink to coral coloration before curing to a deep amber-orange.
Aroma & Flavor Profile
Guava Cupcake exhibits an aromatic bouquet defined by tropical fruit and baked confections. The initial scent profile is dominated by sweet guava, ripe pineapple, and sweet cake batter. Beneath these dessert notes lies an herbaceous layer of crisp pine and pungent, tangy sourdough bread, backed by a subtle diesel bite from its Gorilla Diesel heritage. On consumption, the flavor translates into smooth, sweet tropical fruit on the inhale, followed by a creamy, doughy, and lightly fuel-tinged exhale.
Cultivation Overview
Guava Cupcake is classified as a moderate-difficulty cultivar due to its responsive growth rate and canopy density. It is a photoperiod plant with an exceptionally fast flowering duration of 7 to 8 weeks. Because of its bred-in hybrid vigor and short flowering window, it is well-suited for natural light environments where early fall frost or rain pressure requires a prompt harvest. Standard feeding regimens with balanced macronutrients during transition and elevated phosphorus/potassium in mid-flower support optimal bud density and terpene expression.
Indoor Considerations
Phylos Bioscience primarily developed and validated Guava Cupcake for natural-light, outdoor, and greenhouse environments. While indoor cultivation is possible with standard photoperiod 12/12 lighting cycles, growers should note that the cultivar was not specifically validated in controlled indoor environments by the breeder. Indoor growers should maintain strong air movement and humidity control (40–50% RH during late flower) to protect its dense floral clusters from moisture buildup.
Outdoor Considerations
Guava Cupcake demonstrates optimal agronomic traits when grown under natural sunlight. Its moderate stretch and short-season maturity make it an exceptional choice for temperate and northern outdoor growing regions. Direct exposure to full-spectrum sunlight often triggers the sought-after pink pistil phenotype. Trellising and topping are strongly recommended to maximize light penetration and create a uniform canopy of top-grade colas.
Phenotype Variation
Because Guava Cupcake was developed through structured breeding lines, seed populations show high canopy uniformity and consistent height. Minor variations manifest primarily in the intensity of the sourdough aroma versus tropical fruit dominance, as well as the environmental expression of pink pistils, which appear more vividly in cooler, high-UV outdoor gardens.
Frequently Asked Questions
What is the genetic lineage of Guava Cupcake?
Guava Cupcake is a cross between Franken Cakes #46-O and Gorilla Diesel #21-O, originally developed by Phylos Bioscience.
What is the reported THC level of Guava Cupcake?
Mature dried flower of Guava Cupcake has tested at approximately 27% THC in breeder analysis and legal dispensary batch reports.
How long does Guava Cupcake take to flower?
Guava Cupcake has a fast flowering cycle of 7 to 8 weeks, making it well-suited for short-season outdoor environments.
Is Guava Cupcake suitable for hash making?
Yes. Guava Cupcake produces granular, sandy trichomes that detach cleanly, making it well-suited for solventless ice water extraction.
Why does Guava Cupcake develop pink pistils?
Under specific outdoor and natural-light conditions with high UV exposure, this cultivar frequently expresses vivid pink to coral-hued pistils.
Optimized for natural light, greenhouse, and outdoor gardens
Indoor and outdoor adaptable
Comparison is informational and reflects reported cultivar-level data; phenotype and growing conditions can change results.
Ready to choose?
Add Proven Agronomic Performance to Your Garden
Whether you are aiming for high-potency flower harvests or seeking resinous biomass for solventless washing, Guava Cupcake provides stable, uniform canopy growth and exceptional tropical dessert terpene profiles.
Cannabis seeds contain no THC and are sold strictly as collectible botanical souvenirs in compliance with applicable laws. Cultivation of cannabis is subject to local, state, and national regulations. Cannabinoid and terpene percentages reflect reported values from mature, dried floral material under optimal agronomic conditions and are not guaranteed outcomes for any individual crop.
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