Purple Kush Autoflower Seeds (5 pk)Purple Kush Autoflower Seeds Purple Kush autoflowering characteristics help the plant grow and produce more throughout the year, allowing you to get a quick return on your investment. The plants flowering process is often effective thanks to the strains initial ruderalis genetics. This strain is always easy to develop, even if it takes a little longer than other autoflowering strains. Purple Kush Seeds Autoflower has a high THC content in its buds.