Have you been thinking of taking your gardening/horticulture knowledge to a higher level, or learing related topics? This article presents a variety of programs and certifications available in the Valley, Tucson and online. Links and contact information are included. In addition to horticulture, there are many options available to learn from experts and educators on topics such as irrigation, arboriculture, apiculture, permaculture, landscape design, sustainable systems, and