I registered for all my classes a while back, but theres a last minute registration available and I want to take another class. I'd like to learn about plant life and maybe get some indirect growing help

. Here's a list of the classes available, what will benefit me the most?
Title: Introduction to Ornamental Horticulture
Title: Plant Identification
Title: Woody Plant Identification II
Title: Flowering Annuals and Perennials
Title: Plants for Interior Landscapes
Title: Soil and Soil Fertility
Title: Landscape Construction - Irrigation
Title: Landscape Construction - Hard Structures
Title: Greenhouse Management
Title: Field Project
Title: History of Landscape Architecture
Title: Fundamentals of General Tree Work
Title: Turfgrass Management
Title: Garden Design and Maintenance
Title: Nursery Practices
Title: Landscape Illustration
Title: Introduction to Landscape Planning
Title: Advanced Landscape Planning
Title: Insect Pests and Disease Control
Title: Plant Health Care
Title: Arboriculture
Title: Advanced Field Project
Title: Arboriculture II
Title: Tree Biomechanics
Title: Landscape Perspectives
Title: Computer Aided Landscape Design