The major highlight activities of the Philadelphia Flower Show include elaborate floral displays, thematic gardens, and interactive workshops on gardening techniques. Participants can admire breathtaking arrangements crafted by talented floral designers, showcasing innovative designs and horticultural artistry. The event also features educational panels focusing on sustainability and environmental practices. Additionally, community involvement aspects encourage attendees to explore plant care and native species preservation, creating a collaborative atmosphere. This annual event not only celebrates floral beauty but also promotes appreciation for nature while inspiring attendees to embrace gardening in their own lives.