The Nashville Lawn and Garden show is Tennessee’s largest and most popular annual gardening event. This year’s theme “Guerrilla Gardening and the Urban Jungle,” will highlight topics such as small space gardens, urban horticulture, aquaponics, community gardens and more. Adults: $12, seniors: $11, children: $2, four-day pass: $25. 10 a.m. to 7 p.m. Thursday, Friday and Saturday; 10 a.m. to 5 p.m. Sunday.