ORH1000C - Introduction to Horticulture ORH1000C - Introduction to Horticulture An introduction to the disciplines involved in the broad field of horticulture, plant and animal taxonomy, morphology, anatomy and their fundamental processes as they relate to plant growth, pests, production, maintenance and planting. Plant propagation, pest and disease control, and design are also included. This class is online and in the classroom. Terms Classification: Dual