Sour 91

For the sour fiends out there, Sour 91 from Top Dawg Seeds is a tangy cross of 91 Chem x Sour Dawg. More specifically, this is a 5th-generation three-way backcross of the two. The offspring, Sour 91 3.0, is a sativa-leaning strain with few other confirmed details besides its social and energizing effects. If you love Sour 91, keep an eye out for its lip-smacking descendant, Sour 91 Pie.