Ultra Sour

Ultra Sour is a sativa cross combining MK Ultra and ECSD. Known for lemon, lime, diesel aromatics.

In grower catalogs and dispensary menus, Ultra Sour is documented as a sativa cross combining MK Ultra and ECSD. Photoperiod cuts typically finish flowering in 9–11 weeks (~63–77 days) under indoor or greenhouse lighting.

Aroma and flavor

Jars of Ultra Sour are most often described as showing tart lemon peel, zesty lime, sharp fuel and diesel and bright citrus zest. Chemotype data points to earthy, herbal myrcene, peppery beta-caryophyllene and bright, citrus-forward limonene as the primary aromatic drivers, with batch-to-batch variation depending on cultivation and curing.

Reported effects

Consumers commonly report a lifted, positive outlook, creative, associative thinking and clear-headed task focus, making Ultra Sour a frequent pick for daytime sessions, creative work, or social settings. The most commonly noted downsides are unease or racing thoughts at higher doses and occasional dizziness.