Sour GMO, also known as Sour Garlic Cookies, is a hybrid cannabis strain, a cross between GMO (Garlic Cookies) and Sour Dubb. It's known for its potent effects, combining relaxation with a unique flavor profile. The aroma is often described as a mix of creamy, garlicky spice, and the effects can include deep relaxation and euphoria, potentially leading to sleepiness.