The Leaf Index
Vol. IA field guide to cannabis cultivarsleafly.cc
No. 1968Indica

Petrol Rainbow

Rainbow Sherbet (or derivatives) x OG/Kush hybrid × Zkittlez x Chem/OG hybrid

Petrol Rainbow is a contemporary cannabis cultivar celebrated for its potent aroma, combining pungent fuel-like notes with a sweet, candy-like fragrance. This hybrid is recognized for its high THC content and dense, resinous flower production, making it appealing to both cultivators and consumers.

EffectsEuphoric
AromaCandyDieselLavenderPungentSkunkySweetTropical

Appearance

Petrol Rainbow typically presents dense, resin-rich buds, often described as having impressive bag appeal. The flowers are characterized by high trichome density, contributing to their sticky texture and visual appeal.

Aroma & Flavor

The aroma of Petrol Rainbow is a defining characteristic, often described as unmistakably "gassy" with pungent fuel and solvent-like undertones. This is complemented by a sweet, candy-like fragrance, evoking confectionary and fruit layers. The flavor profile mirrors the aroma, offering a complex blend of diesel, sweet, and fruity notes.

Effects

Consumers report that Petrol Rainbow offers a versatile high that can be dose-dependent, potentially leaning towards a euphoric sensation. While the source notes suggest it can also be sedative, the primary reported effect is euphoria.

Terpenes & Cannabinoids

Petrol Rainbow is known for its high THC content, typically ranging from 18-25%. Total terpene content often falls between 1.5% and 3.0% by dry weight. Key terpenes identified include Myrcene, Limonene, Caryophyllene, Linalool, Humulene, and Terpinolene. The combination of these terpenes contributes to the strain's signature gas-and-candy profile.

Growing

This cultivar thrives under controlled environments and high-intensity lighting, with indoor growers often targeting PPFD levels between 700–1,000 μmol/m²/s and relative humidity of 45–55% to protect the dense colas. It is noted for high resin production, making it suitable for various extraction methods.

Origins & Lineage

Petrol Rainbow emerged from the convergence of two major cannabis trends: the popularity of "gas/diesel" strains and the rise of candy-forward "rainbow" varieties. While specific lineage can vary, it often involves a cross between a fuel-dominant strain (like OG Kush or Chem Diesel) and a sweet, fruit-forward cultivar (such as Rainbow Sherbet or Zkittlez).

Frequently asked questions

What is the THC content of Petrol Rainbow?
Petrol Rainbow typically has a THC content ranging from 18% to 25%.
What are the dominant aromas and flavors of Petrol Rainbow?
Petrol Rainbow is known for its "gassy" or fuel-like aroma, combined with sweet, candy-like, and sometimes fruity notes.
What are the reported effects of Petrol Rainbow?
Reported effects include euphoria, with potential for sedation depending on the dosage and individual response.
What terpenes are commonly found in Petrol Rainbow?
Common terpenes include Myrcene, Limonene, Caryophyllene, Linalool, Humulene, and Terpinolene.