Slim Reaper is an elite, fuel-dominant hybrid cultivar engineered through the combination of Iceberg Slim and Super Unleaded (KushCo OG x Sour Power OG). Created by California’s Kush Company, this cultivar brings together classic, heavy-duty gas notes with layered fruit and sweet earthy undertones. Featuring robust hybrid vigor, tightly stacked calyxes, and an abundant crystalline resin layer, Slim Reaper has established itself among contemporary terpene enthusiasts and serious collectors who prize classic OG pungency, high bag appeal, and stable vegetative development.
Potent Fuel Terpenes Meet Dense Resin Architecture in Slim Reaper
Derived from Kush Company’s Super Unleaded breeding project, Slim Reaper pairs heavy petroleum aromas with sweet berry-earth accents and strong flower potency. This cultivar is well suited to growers who prioritize trichome production and pungent diesel terpene profiles.
Crosses Iceberg Slim with Super Unleaded (KushCo OG x Sour Power OG) for authentic West Coast gas genetics.
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High Resin Density
Produces heavily frosted, spade-shaped flowers suited for whole flower preservation and extraction.
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Complex Gassy Bouquet
Dominated by myrcene, limonene, and caryophyllene, presenting pungent fuel with sweet berry undertones.
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High Cannabinoid Potential
Not confirmed
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Indoor & Outdoor Adaptability
Displays manageable stretch and sturdy branching across indoor, greenhouse, and mild outdoor environments.
AI Editorial Cultivar Score8.8/10
Editorial Cultivar Grade
Editorial assessment for comparison only; not a laboratory result or product guarantee.
Aroma Complexity9.2/10
Combines sharp hydrocarbon fuel with sweet fruit and herbal earth for a layered profile.
Resin Potential9.0/10
Features dense glandular trichome coverage across flower bracts and adjacent sugar leaves.
Visual Appeal8.7/10
Produces tight spade-shaped buds with contrasting deep green hues and vibrant pistils.
Cultivation Accessibility8.3/10
Requires standard canopy management and humidity control but demonstrates solid vigor.
Documentation Confidence8.8/10
Pedigree and cannabinoid potential are corroborated by breeder records and dispensary lab data.
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
Iceberg Slim
Super Unleaded
Slim Reaper Cannabis Seeds
Reported aromatic compoundsTerpene Profile
Myrcene
Earthy, herbal, musky
Contributes to the grounding, earthy baseline aroma and works synergistically with high cannabinoid profiles.
Limonene
Citrus, sour rind, fuel brightness
Provides the sharp, uplifting citrus-fuel note that defines the initial aromatic burst when grinding the flowers.
Caryophyllene
Black pepper, spicy wood, gas
Introduces a warm, spicy edge that deepens the petroleum pungency and enhances overall bouquet complexity.
Cultivation referenceGrow Information
HeightMediumFlowering8 to 10 weeksClimateTemperate, warm Mediterranean climates with controlled relative humidityDifficultyIntermediateYieldModerate to highStretchModerate (approx. 100% to 150%)IndoorYesOutdoorYesGreenhouseYes
Essential cultivar details
Quick Facts
Key genetics, cultivation, and reported characteristics at a glance.
GeneticsIceberg Slim x Super Unleaded (KushCo OG x Sour Power OG)
Breeder / OriginKush Company (KushCo)
Cultivar Typehybrid
Seed TypeAvailable as Feminized, Autoflower & Regular
PhotoperiodPhotoperiod
Reported THC PotentialNot confirmed
Reported CBD PotentialNot confirmed
Flowering Time8 to 10 weeks
Plant HeightMedium
StretchModerate (approx. 100% to 150%)
DifficultyIntermediate
Yield CharacteristicsModerate to high
Indoor SuitabilityYes
Outdoor SuitabilityYes
Greenhouse SuitabilityYes
Climate PreferenceTemperate, warm Mediterranean climates with controlled relative humidity
Dominant TerpenesMyrcene, Limonene, Caryophyllene
Research ConfidenceHigh
Scientific Overview
Slim Reaper is an advanced hybrid cannabis cultivar bred by Kush Company (KushCo), an established California breeding outfit recognized for its OG Kush developments. Anatomically, Slim Reaper demonstrates balanced hybrid architecture, characterized by moderate internodal spacing, sturdy lateral branching, and high calyx-to-leaf ratios. Chemical profiles from mature dried floral specimens demonstrate dominant concentrations of beta-myrcene, d-limonene, and beta-caryophyllene, yielding a pronounced hydrocarbon and sweet-earth bouquet. Laboratory testing in legal commercial markets indicates substantial cannabinoid synthesis, with THC potential frequently ranging between 25% and 30% in well-cultivated dried flower samples.
Genetics & Lineage
The lineage of Slim Reaper stems from a cross between Iceberg Slim and Super Unleaded. The paternal contributor, Super Unleaded, is a foundational Kush Company hybrid created by crossing KushCo OG with Sour Power OG. Kush Company utilized an exceptional male from the Super Unleaded line to pollinate select maternal stock throughout their catalog, pairing it with Iceberg Slim to develop Slim Reaper. This pedigree blends deep OG Kush vigor, sharp sour petroleum terpenes, and structured flower development into a cohesive hybrid expression.
Breeder Background
Kush Company (KushCo) gained industry prominence in the regulated California cannabis market through focused refinement of classic OG phenotypes and sour-fuel terpene lineages. Known for breeding cultivars such as KushCo OG, Sour Power OG, and the Super Unleaded lineage, the breeder emphasizes structural density, thick resin production, and pungent gassy aromatic profiles. Slim Reaper represents one of the marquee selections within their Super Unleaded hybrid series.
Botanical Characteristics
During vegetative growth, Slim Reaper displays sturdy stems, broad fan leaves, and strong apical dominance. Upon transitioning into the flowering photoperiod, plants exhibit a moderate vertical stretch of approximately 100% to 150%. Foliage develops rich emerald and forest green tones, occasionally producing anthocyanin-driven violet hues on upper bracts when exposed to cooler night temperatures during late flower. The canopy structure responds well to low-stress training, ensuring even light distribution across bud sites.
Flower Structure
The mature inflorescences of Slim Reaper are compact, spade-shaped, and notably dense. Calyxes swell tightly along the nodes, creating heavy conical colas with minimal excess foliage. A blanket of capitate-stalked glandular trichomes envelops the floral bracts, providing a frosty, crystalline exterior that contrasts sharply with the vibrant amber-orange pistils woven throughout the flower mass.
Aroma & Flavor Profile
Slim Reaper presents a layered aromatic profile dominated by pungent petroleum, industrial diesel fumes, and earthy musk. When cured flowers are broken apart, the bouquet releases secondary notes of sweet berry, tart citrus zest, and cracked pepper. On consumption, the flavor translates cleanly into a rich fuel-forward inhale balanced by sweet, earthy undertones and a smooth, slightly spicy pine exhale that lingers on the palate.
Cultivation Overview
Slim Reaper is classified as an intermediate cultivar to cultivate, performing well under indoor controlled environments, greenhouses, and temperate outdoor climates. Because the mature colas are dense, maintaining adequate airflow and strict relative humidity control (40%–50% during late bloom) is essential to prevent moisture buildup within the canopy. The cultivar demonstrates hearty nutrient uptake during peak vegetative growth and responds favorably to balanced macro and micronutrient regimens.
Indoor Considerations
Indoor growers typically utilize trellising or screen-of-green (SCROG) techniques to support colas and maximize canopy efficiency. Slim Reaper thrives under high-intensity LED or HPS lighting with ambient daytime temperatures kept between 72°F and 80°F (22°C–27°C). The typical flowering duration spans 8 to 10 weeks, during which early carbon filtration is recommended due to the cultivar’s exceptionally pungent aromatic output.
Outdoor Considerations
When grown outdoors, Slim Reaper prefers warm, sunny Mediterranean climates with low late-season rainfall. Plants should be situated in well-draining, organically amended living soil or large raised containers with ample root space. Harvest typically falls between late September and mid-October in the Northern Hemisphere, prior to heavy autumn frost or persistent rains.
Phenotype Variation
Phenotypic variation in Slim Reaper generally manifests in subtle aromatic nuances and color expression. While most plants retain the signature fuel-heavy OG structure, select phenotypes lean toward a sweeter, berry-infused profile inherited from the Iceberg Slim lineage, while others exhibit heavier petrol and sour diesel notes from the Super Unleaded parentage. Moderate cold tolerance and anthocyanin expression vary slightly by phenotype.
Frequently Asked Questions
What is the genetic lineage of Slim Reaper?
Slim Reaper is a hybrid cultivar created by Kush Company by crossing Iceberg Slim with Super Unleaded (KushCo OG x Sour Power OG).
What is the average flowering time for Slim Reaper?
When grown under a standard 12/12 photoperiod, Slim Reaper typically completes flowering within 8 to 10 weeks.
What does Slim Reaper smell and taste like?
The cultivar features a dominant pungent diesel and fuel aroma layered with earthy musk, sweet berry hints, and subtle pine and citrus.
What is the reported mature-flower THC potential of Slim Reaper?
Not confirmed
Is Slim Reaper suitable for novice growers?
Slim Reaper is rated as intermediate difficulty because its dense flower clusters require careful humidity management and canopy airflow control during late flowering.
Decision supportCompare Similar Genetics
Characteristic
Slim Reaper
Super Unleaded
Genetic Lineage
Iceberg Slim x Super Unleaded
KushCo OG x Sour Power OG
Aroma Profile
Pungent gasoline, sweet berry, earthy musk, light pine
Sharp diesel, sour citrus, pungent earthy skunk
Flowering Time
8 to 10 weeks
9 to 10 weeks
Reported THC Potential
25% – 30%
24% – 28%
Bud Density
Dense, frosty spade-shaped buds
Dense, classic chunky OG calyx formation
Comparison is informational and reflects reported cultivar-level data; phenotype and growing conditions can change results.
Ready to choose?
Add Slim Reaper Genetics to Your Collection
Whether you are expanding a personal genetic library or selecting for distinct diesel aromatics and dense trichome coverage, Slim Reaper delivers authentic West Coast pedigree and proven hybrid vigor.
Super UnleadedKushCo OGSour Power OGIceberg SlimWild BillTurbo Sherb
Disclaimer
Cannabis seeds are sold strictly as collectible botanical souvenirs and genetic preservation items in accordance with applicable federal and regional laws. Germination and cultivation of cannabis seeds may be restricted or prohibited in certain jurisdictions. Cannabinoid potency values refer strictly to laboratory observations of mature dried uninfused flowers and do not describe the seeds themselves. Cultivation outcomes vary based on environment, phenotypic expression, and grower methodology.
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5 Seeds, 10 Seeds, 25 Seeds
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