The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 0137Hybrid

505 Headbanger by Mephisto Genetics

Ruderalis × Indica × Sativa

505 Headbanger is an autoflowering hybrid strain developed by Mephisto Genetics, a breeder recognized for producing high-quality ruderalis-based autoflowers. This cultivar aims to combine the intense, diesel-forward characteristics of popular OG and Diesel strains with the rapid, photoperiod-independent flowering of ruderalis genetics. It is designed for growers seeking potent, fast-finishing plants with complex aromas.

EffectsCerebral Couch-Lock
May help withInflammation Stress
AromaCandyCitrusCreamDieselEarthyGrapeGrapefruitHerbal

Appearance

Mature 505 Headbanger plants typically reach heights between 60-100 cm indoors, exhibiting a medium-to-wide structure with pronounced apical dominance. The buds are dense and develop into chunky formations, often compared to golf balls or eggs, which become more compact in the final weeks of flowering. Some phenotypes may display purple hues on the sugar leaves and bracts, particularly under cooler night temperatures, contrasting with a lime-olive base color.

The pistils transition from cream to a deep orange-rust as the plant matures, and the buds are covered in a profuse, sticky layer of trichomes. Leaf morphology is intermediate, with blades narrowing slightly as the plant grows. The stems are robust, capable of supporting the dense flower clusters without significant additional support in most indoor environments.

Aroma & Flavor

The aroma of 505 Headbanger is strongly characterized by gassy, diesel-like notes, complemented by sharp hints of lemon rind and sour solvent. As the flowers develop, underlying scents of pine needles, crushed pepper, and a subtle sweetness reminiscent of candied grapefruit or lime emerge. The bouquet intensifies significantly in the final weeks of flowering, and grinding the buds often releases additional notes of varnish, glue, and skunk.

On the palate, inhalation delivers tart lemon-diesel flavors with an effervescent quality. The mid-palate features pine sap, cracked pepper, and candy-like notes, particularly in phenotypes rich in specific terpenes. Exhalation leaves a lingering taste of earthy resin, fuel, and a mouth-watering citrus pith bitterness. A proper cure enhances the flavor profile, reducing harshness and bringing forward deeper spice and wood undertones.

Effects

505 Headbanger is reported to produce a predominantly cerebral effect, often described as clear-headed and conducive to creativity. While it can offer a significant mental uplift, users may also experience a relaxing physical sensation that can lead to couch-lock, especially with higher consumption or specific harvest timings. The interplay of these effects makes it suitable for various times of day depending on the grower's desired outcome.

Terpenes & Cannabinoids

This strain is known for its high THC content, typically ranging from 18-24% by dry weight under optimal growing conditions, with some exceptional batches potentially reaching higher levels. CBD content is generally below 1%, while minor cannabinoids like CBG may be present in small percentages. The terpene profile is dominated by compounds that contribute to its signature gassy, diesel, and citrus aromas and flavors.

Growing

As an autoflowering hybrid, 505 Headbanger is designed for ease of cultivation, finishing its life cycle from sprout to harvest in approximately 70-90 days. It requires minimal intervention and initiates flowering automatically, typically around 3-4 weeks after germination, regardless of light cycle. The plants generally maintain a manageable size, making them suitable for indoor grows with limited space. They benefit from gentle training and are sensitive to transplant shock in their early stages.

The yield is considered respectable for an autoflower, especially given its rapid growth cycle. Optimal cultivation involves providing ample light, with growers often using 18-24 hours of light per day. Due to its potent aromatic profile, odor control measures such as carbon filtration are highly recommended for indoor cultivation, particularly during the late flowering stages.

Origins and Lineage

505 Headbanger is an autoflowering hybrid created by Mephisto Genetics, combining genetics from Cannabis ruderalis, indica, and sativa. The breeder's objective was to merge the intense, diesel-heavy aroma and flavor profiles characteristic of classic OG and Diesel strains with the autoflowering trait. The lineage is built upon foundational genetics known for their potency and aromatic complexity, stabilized over multiple generations to ensure consistent expression in an autoflowering format.

Frequently asked questions

What is the THC content of 505 Headbanger?
505 Headbanger typically contains 18-24% THC, with some variations possible based on growing conditions.
Is 505 Headbanger an autoflower?
Yes, 505 Headbanger is an autoflowering hybrid strain, meaning it flowers automatically based on age rather than light cycle.
What are the primary aromas and flavors of 505 Headbanger?
It is known for strong gassy, diesel, and citrus aromas and flavors, often with underlying notes of pine, pepper, and sweetness.
How long does 505 Headbanger take to grow?
From germination to harvest, 505 Headbanger typically takes 70-90 days to complete its life cycle.