Osceola County Plant Market 2026 October 3, 2025 Event Details Date: February 28, 2026 9:00 am – 2:00 pm Venue: UF/IFAS Extension Plant MarketĀ at UF/IFAS Extension Osceola County in Osceola Heritage Park, We will have a large variety of all Florida Native trees, shrubs, wildflowers, grasses, host plants and more. Osceola County Plant Market 2026