Enjoy a day exploring tropical jungles, temperate forests, native woodlands, and arid landscapes, all created by America’s leading floral and garden designers to highlight the astounding plants that thrive in each environment, leaving the driving to us. Adkins Arboretum, 12610 Eveland Road, Ridgely. Early registration recommended. Charge $95 for members/$120 for non-members. E-mail: info@adkinsarboretum.org 410-634-2847.