The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 6992Indica

London Loud by Karma Genetics

OG Kush × Sour × Skunk × Haze

London Loud is a contemporary indica hybrid developed by Karma Genetics, a Dutch seed company recognized for its work with potent and aromatic cannabis strains. This cultivar is designed to deliver a powerful olfactory experience, living up to its name with an intensely fragrant profile and substantial potency suitable for discerning consumers.

EffectsPotent Layered Lingering
AromaCitrusCreamDieselPepperyPungentSkunkySpicySweet

Appearance

London Loud typically produces medium-height plants with robust side branching and a prominent main cola. The flowers are dense and conical, characterized by a compact to moderate internodal spacing that allows for substantial bud development. A high calyx-to-leaf ratio contributes to efficient trimming and emphasizes the resin-rich bracts, which are often coated in a thick layer of trichomes, giving the buds a frosted appearance.

Buds often display shades of lime to forest green, accented by amber or copper pistils. Cooler temperatures during late flowering may introduce subtle lilac or wine undertones. The flowers feel firm and dense, with a resinous quality that leaves a slightly tacky residue on the fingertips.

Aroma & Flavor

The aroma of London Loud is immediately striking, characterized by a strong, gassy, fuel-like scent that is noticeable even from a distance. This primary note is complemented by brighter undertones of citrus peel and a subtle sweetness, with hints of creaminess. As the flower is handled or ground, a pungent, skunky volatility emerges, suggesting classic genetic influences. The aroma profile is complex and layered, offering distinct notes that evolve with examination.

Upon inhalation, the flavor profile often begins with a bright diesel character that carries peppery and spicy nuances. A citrus twist becomes apparent during the draw, supported by a subtle vanilla-cream or bakery-like sweetness, particularly noticeable in vapor. The exhale leaves a lingering incense-fuel finish on the palate, reminiscent of premium OG or Sour strains.

Effects

Users can expect London Loud to deliver a potent experience, consistent with its aromatic intensity and THC content. The effects are generally described as structured and layered, providing a satisfying impact for experienced cannabis consumers. The cultivar is noted for its lingering presence on the palate, suggesting a well-rounded and enduring sensory experience.

Terpenes & Cannabinoids

While specific cannabinoid percentages are provided as THC at 20% and CBD below 1%, the aroma and flavor profiles suggest a terpene profile rich in compounds like beta-caryophyllene, limonene, and myrcene. Humulene and ocimene are also likely present, contributing to the complex aromatic bouquet. These terpenes combine to create the cultivar's signature intense, layered scent and taste.

Origins & Lineage

London Loud was bred by Karma Genetics, a Dutch seed company known for its work in stabilizing high-performance and aromatic cannabis varieties. While the precise parentage of London Loud has not been officially disclosed by the breeder, it is suggested that its genetics likely draw from influential lines such as OG Kush, various Sour strains, and heirloom Skunk or Haze varieties. This lineage hints at the cultivar's potent aroma and complex flavor profile.

Growing

Karma Genetics is known for its methodical breeding practices, focusing on vigor, resin production, and stability across multiple generations. This approach suggests that London Loud is likely a predictable cultivar to grow, with characteristics such as stout branching and dense bud formation. The plants tend to have compact to moderate internodal spacing and a favorable calyx-to-leaf ratio, which aids in efficient trimming and highlights the resinous nature of the flowers. Growers can expect a cultivar that handles nutrient and light pushes well, with good resistance to mold and pests.

Frequently asked questions

What is the THC content of London Loud?
London Loud typically contains around 20% THC.
What are the primary aromas of London Loud?
London Loud is known for its intensely loud aroma, featuring prominent notes of fuel and diesel, complemented by citrus, skunky, and sweet undertones.
What is the reported lineage of London Loud?
The exact parentage of London Loud is not officially published, but it is believed to be influenced by classic strains like OG Kush, Sour varieties, and Skunk or Haze genetics.
What kind of effects does London Loud typically produce?
Users report that London Loud provides structured and potent effects, consistent with its high THC content and aromatic profile.