Cadillac Rainbows

Cadillac Rainbows is a hybrid cross of Runtz and Pure Michigan from 3rd Coast Genetics. Known for pungent, diesel, earthy aromatics.

Cadillac Rainbows (also circulated as Cadillac Rainbow, Cadillac Rainbowz) is a hybrid cultivar bred by 3rd Coast Genetics from Runtz and Pure Michigan. In breeding programs, it has served as a parent line for Sugar Rainbow Luxe #26. State lab records track Cadillac Rainbows across 2 legal markets between 2022 and 2025, with a large share of tested flower batches originating from a single regional cultivator. Rated moderate difficulty for home and commercial cultivators and finishing in 8–10 weeks (~56–70 days).

Aroma and flavor

Jars of Cadillac Rainbows are most often described as showing sharp, pungent ammonia, sharp fuel and diesel, earthy, soil-like depth and fresh floral blossom. As with any flower, harvest timing and curing conditions determine how prominently those aromatics carry from the jar to the palate.

Reported effects

Consumers commonly report physical relaxation, an elevated, euphoric mood and an upbeat, cheerful mood, making Cadillac Rainbows a frequent pick for late-afternoon or flexible social and evening use. The most commonly noted downsides are dry eyes and dry mouth.