Panayoti Kelaidis is a plant exlorer, gardener, and public garden admninistrator at Denver Botanic Gardens, where he is now director of outreach. He began his career at the garden in 1980 as curator of the rock alpine garden, where he designed and oversaw the initial plantings of the now extensive garden. He has a special passion for hardy cacti and is responsible for introducing most of the USDA Zone 5 hardy South African succulents currently in cultivation.
Online ArticlesA Hardy Succulent Garden
Hardy Cacti: Living Sculptures of the American West