Image courtesy Judith Kosinski The Buffalo and Erie County Botanical Gardens is holding a variety of new online art classes beginning today, Tuesday, July 21. There are watercolor classes for all skill levels, including a foundational level for beginners with little to no experience, a beginner level for those looking to learn more techniques, an intermediate level for those with more experience, and an advanced masters class for those looking to fine tune their skills. The classes will be held online via Zoom. All…