It's Spring Affair 2025 -- the Great Plains' largest plant sale, held at the Sandhills Global Event Center in Lincoln! The Preview Dinner & Preview Sale is a ticketed event that includes a cocktail hour (cash bar) and a buffet dinner from 5-6:30 p.m., followed by plant shopping at the Preview Sale from 6:30-9 p.m. (Preview Sale only shoppers will be admitted at 7 p.m.). Tickets are $45 for NSA members; $55 for non-members. The member ticket includes one complimentary bar drink. Preview Sale Only tickets are $20 for NSA members; $25 for non-members.