Come to New England during the 4th of July and also catch one of the best free to the public Flower Show and Plant Sale of Gesneriads in the country-- from African Violets to Cape Primroses, Epicias, Kohlerias, Sinningias, Streptocarpus, and on and on-- over 3.4K species in that family!!
Check out this over 30 year old Sinningia that goes a bit dormant every year, then sends out shoots and flowers that are out of this world!