Sour Haze – Sour Haze is a sativa strain that is crossed from Sour Diesel and Haze strain. The first thing users notice when smoking this strain is its sour smell and taste. Effects of this strain will leave users feeling happy, uplifted, energized, and focused. It is a great daytime strain to help users relax but keep them energized and alert at the same time. The only common negative effect associated with this strain is a dry mouth.