Yes, Plumeria can survive in USDA Zone 11 without winter protection. Minimum winter temperatures between 40°F characterize USDA zone 11 to 50°F (4.4°C to 10°C). Given these relatively mild temperatures, Plumeria, which is a tropical plant, can thrive without the need for additional winter protection. In fact, Plumeria can be grown as a perennial in […]