The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 0384Indica

Black Rainbow

Blackberry × Black Domina × Zkittlez × Rainbow Belts × Sherbet

Black Rainbow is a visually striking, indica-leaning hybrid cultivar recognized for its deep purple to nearly black coloration and a predominantly sweet, candy-like aroma. While the name suggests a specific genetic cross, it often functions as a phenotype label for various closely related hybrids that share these distinct visual and aromatic characteristics. Consumers should verify batch-specific lab data for precise details on potency and cannabinoid profiles.

EffectsRelaxing Calming Soothing
May help withStress Anxiety Insomnia
AromaBerryCandyCitrusCreamDieselEarthyFloralGrape

Appearance

Black Rainbow typically presents dense, rounded buds with prominent apical colas. Under cooler finishing temperatures, the calyxes can develop a deep purple to almost black pigmentation. The buds are often heavily coated in trichomes, giving them a frosted appearance that contrasts with their dark hues. Pistils are usually orange or copper, and the sugar leaves can also exhibit dark coloration and significant trichome coverage.

Aroma & Flavor

Before grinding, Black Rainbow emanates a sweet, candy-like fragrance with notes reminiscent of mixed fruit. A subtle woody or earthy undertone may be present, alongside hints of vanilla or cream. Upon grinding, the aroma intensifies, revealing a spectrum of fruit flavors often compared to tropical fruit chews or sugared berries. Citrus zest can also be detected, contributing to a complex and appealing bouquet.

Effects

As an indica-leaning hybrid, Black Rainbow is generally associated with relaxing effects. Consumers often report a calming sensation that can promote tranquility and ease. While specific effects can vary depending on the individual and the particular phenotype, the cultivar is typically sought for its ability to provide a soothing experience.

Terpenes & Cannabinoids

Black Rainbow commonly exhibits a THC content ranging from 18% to 24%, with CBD levels below 1%. The terpene profile often includes Myrcene, Limonene, Caryophyllene, Linalool, Humulene, Ocimene, and Nerolidol. These compounds contribute to the cultivar's distinct aroma and potential effects, aligning with its dessert-forward flavor profile.

Growing

Cultivators report that Black Rainbow generally exhibits moderate stretch and develops strong colas. The plants are known for high resin production, making them suitable for solventless extraction. Flowering typically completes within an 8-10 week indoor window. Yields are competitive with other boutique dessert cultivars, often ranging from 400-600 g/m² under optimized indoor conditions.

Origins & Lineage

The Black Rainbow name is not tied to a single, definitive genetic cross but rather functions as a phenotype label for closely related hybrids. Breeding efforts typically aim to combine anthocyanin-rich, dark-hued parent strains (such as Blackberry or Black Domina) with varieties known for candy-like flavors (like Zkittlez or Rainbow Belts). The goal is to achieve striking coloration, dense bud structure, and a sweet, fruity terpene profile.

Frequently asked questions

What is the THC content of Black Rainbow?
Black Rainbow typically tests between 18% and 24% THC.
What are the dominant aromas of Black Rainbow?
Black Rainbow is known for its sweet, candy-like aroma with notes of mixed fruit, berry, and sometimes citrus.
Is Black Rainbow an indica or sativa?
Black Rainbow is generally considered an indica-leaning hybrid.
What are the potential effects of Black Rainbow?
Consumers often report relaxing and calming effects associated with Black Rainbow.