The small town of Plant City in northeast Hillsborough County will once again turn on its Southern charm when the Florida Strawberry Festival opens on Thursday for an 11-day run of one of the most-attended fairs in the state. The pandemic clouded last year’s festival, causing organizers to cancel its usually stellar music lineup. They also spent $600,000 on air scrubbers, acrylic shields and sanitizing walk-through tunnels, and widened the midway to allow more space for the masked crowds. This year, the music lineup is back with country stars Lady A and Sam Hunt and classic rocker Sammy Hagar, among many other popular acts. And the COVID-19 protocols have eased.…