Philadelphia Flower Show at the Pennsylvania Convention Center

The Philadelphia Flower Show, produced annually by the Pennsylvania Horticultural Society at the Pennsylvania Convention Center, is the oldest and largest indoor flower show in the United States, first held in 1829. Its elaborate themed gardens, large-scale floral installations, and competition displays attract tens of thousands of visitors and frequently generate widely shared photographs and social-media coverage. The event typically runs each March and features national and international exhibitors.