Deadheads, your time is here. San Francisco is launching a multi-week series of events to mark the Grateful Dead's 60th anniversary ahead of Dead & Company's three-day concert at Golden Gate Park next month.

But for the first time in history, fans at next month’s Dead and Company shows in Golden Gate Park will be able to purchase cannabis legally, according to Robby Saady, a vice president at Holistic Industries, which is the parent company for the Garcia Hand Picked cannabis brand.

San Francisco is preparing for a major influx of visitors as it hosts the Grateful Dead’s 60th anniversary concert series from August 1 to 3 at Golden Gate Park.