San Diego Botanic Garden spans 37 acres off Quail Gardens Drive in Encinitas, displaying more than 5,000 plant species across 29 themed gardens that represent 15 global regions. Originally opened in 1970 as Quail Botanical Gardens and renamed in 2009, the property houses North America's largest public bamboo collection with over 100 accredited species, a horticultural depth matched in the retail nursery space by Barrels & Branches on South Cedros Avenue. The one-acre Hamilton Children's Garden ranks among the largest interactive children's gardens on the West Coast, featuring a seed-planting station, musical fountain, and treehouse. Four miles of trails wind through a Mediterranean cork-oak grove, a subtropical fruit garden, and Jeff Moore's Undersea Succulent Garden, connecting coastal habitat with inland canyons along the same ecological corridor that feeds Annie's Canyon Trail at San Elijo Lagoon. The 8,000-square-foot Dickinson Family Education Conservatory hosts rotating exhibitions and plant-science workshops. Specimens include fire-safe landscaping demonstration beds, USDA Plant Hardiness Zone 10b natives, and a rare cycad collection maintained under American Public Gardens Association accreditation standards.