The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 5567Indica

Black Kush

Afghani × Kush

Black Kush is an indica-dominant strain recognized for its tendency to develop deep purple to black hues in its foliage late in the flowering cycle, particularly under cooler temperatures. It emerged from the Kush family, blending classic Afghan indica genetics with modern breeding practices, and is often sought for its potent, heavy-bodied characteristics.

EffectsRelaxing Sedative Heavy-bodied Calming
May help withInsomnia Stress Pain
AromaEarthyWoodyIncenseBerryGrapeHerbalPepperPineCitrusChocolate

Appearance

Black Kush typically presents with compact to medium-dense buds, often characterized by pronounced calyx stacking that can form spearlike colas. A notable feature is its sugar leaves, which can darken to deep purple or nearly black, especially when exposed to cooler night temperatures during the final weeks of bloom. Pistils commonly range from burnt orange to rust, set against a dense covering of trichomes that can appear silvery against darker foliage. The buds often have a 'greasy' feel due to a high ratio of glandular trichomes.

Aroma & Flavor

The aroma of Black Kush is often described as earthy and woody, with a sweet, incense-like quality reminiscent of aged hashish. Some phenotypes may exhibit peppery or herbal notes, while others can present hints of grape or dark berry. When ground, the bouquet can deepen, revealing layers of peppered hash, damp forest floor, and sometimes a subtle chocolate or cocoa undertone, balanced by a clean citrus-pine lift. The flavor profile frequently mirrors the aroma, offering a complex blend of earth, spice, and fruit.

Effects

As an indica-dominant strain, Black Kush is generally associated with heavy-bodied, sedative effects, making it a popular choice for evening or nighttime use. Users often report a significant relaxation that can extend throughout the body, potentially leading to a tranquil state. Its potent nature is often linked to the higher THC content and the prevalence of amber trichomes near harvest.

Terpenes & Cannabinoids

Black Kush typically exhibits THC levels ranging from 18% to 26%, with CBD content below 1%. The terpene profile is often characterized by a dominant presence of Myrcene, Caryophyllene, and Limonene. Supporting terpenes may include Pinene, Humulene, and Linalool, contributing to its complex aroma and potential effects. The specific terpene and cannabinoid percentages can vary based on breeder and phenotype.

Growing

Black Kush is generally considered an indica-dominant plant, often exhibiting a shorter stature with compact internodes. Growers can expect two main phenotypes: a squat, hashplant type with dense colas, and a slightly taller, OG-forward type with more lateral branching. A significant trait is its tendency for dark pigmentation, with approximately 30-50% of plants showing moderate to heavy purple/black coloration under specific conditions. Resin production is typically robust, with thick trichome heads, making it appealing for extractors.

Origins & Lineage

Black Kush originates from the Kush family, blending classic Afghan indica genetics with modern Kush breeding. While exact lineage can vary by producer due to multiple breeders releasing versions under the same name, it is commonly understood to be an Afghani-heavy indica crossed with a Kush cornerstone, such as OG Kush or a close relative. Some descriptions suggest crosses like Black Domina × (OG Kush) or involve Black Afghan or Afghani landraces, aiming to capture sedative qualities and enhanced resin coverage.

Frequently asked questions

What type of strain is Black Kush?
Black Kush is predominantly an indica-dominant hybrid strain.
What are the typical THC levels of Black Kush?
THC content in Black Kush generally ranges from 18% to 26%.
What makes Black Kush turn dark?
The dark coloration, often deep purple to black, is due to high anthocyanin expression, which is triggered by cooler night temperatures during the late flowering stage.
What are the common aromas and flavors of Black Kush?
Black Kush is known for earthy, woody, and incense-like aromas, often accompanied by notes of berry, grape, pepper, and citrus.