The 7th annual Green Thumb Gala, a major fundraiser for the Knoxville Botanical Garden and Arboretum, will be held in the LeConte Meadow. The event features silent and live auctions, garden tour of gardens, seated gourmet dinner, music and fine wines and spirits. A “Secret Garden Patron Couple” ticket is available for $600. Individual tickets are $150. Tables of 10 also will be available for the event.