Learn to grow Vandas outside in New Orleans! Vandas are not a beginner orchid to grow since they require lots of light, warmer temperatures, some humidity and a drenching of water from time to time. It is an orchid better suited outside or in a greenhouse. Learn about the Vanda genus of orchid and how to successfully grow them in New Orleans. Carol Stauder has grown orchids for 30 years. She has been three times the president of the New Orleans Orchid Society and a presenter of Orchid Basics at New Orleans Orchid Society meetings.