This Show and Judges Handbook, 2019 Revised Edition, replaces all prior editions and will now be the guide for shows sponsored by the National Chrysanthemum Society, Inc., U.S.A. and its chapters. This handbook presents the classification system and show policies that NCS recommends be used in the exhibition of the chrysanthemum, as well as the current criteria for exhibitors and requirements for judges, as established by the NCS Judges Schools and Credentials Committee.