Purchase Mempho Festival - 3 Day Pass tickets for Radians Amphitheater At Memphis Botanic Garden in Memphis, TN, scheduled for Fri, Oct 4, 2024 TBA. With 12 tickets up for grabs, priced between $399.00 to $1573.00 and an average price of $954.00, there's an option for every budget. Choose your ideal seat using our handy interactive seating chart.