The name of this “killer” strain says it all. In case anyone doesn’t know, Jack the Ripper was a 19th century murderer in London, the world’s first documented serial killer. Don’t expect anything nearly so violent, but be ready for a creeping cerebral high that’s ideal for creative daytime tasks. The high is decidedly upbeat, with a good dose of both energy and relaxation. This strain works best on depression and anxiety, though it’s also good for PTSD, migraines, and PMS. Jack the Ripper has a lemony citrus flavor and an earthy smell.