An explosion of color, sweet smells and--thanks to live music--even sweeter sounds.. In Short Families, couples and teens flock to the gardens on weekends to experience the landscapes and 32,000 flowers. Exhibits include beautiful orchids, hidden in Marnie's Pavilion in the Boettcher Memorial Conservatory, and a Japanese garden offering peace among the pines. For a little plant education, take a jaunt over to the Endangered Plants Garden to learn about plants that are fast disappearing. Or check out the Water-Smart Garden for tips on growing drought-adapted plants.