- HS 100- Home Horticulture
- HS 201- Principles of Horticulture
- HS 211- Ornamental Plants I
- HS 212- Ornamental Plants II
- HS 215- Basic Agricultural Genetics
- HS 252- Landscape Graphic Communication
- HS 290- Perspectives in Horticultural Science
- HS 301- Plant Propagation
- HS 302- Gardening with Herbaceous Perennials
- HS 342- Landscape Horticulture
- HS 357- Site Design and Construction Materials
- HS 371- Interior Plantscapes
- HS 400- Residential Landscaping
- HS 401- Landscape Construction Studio
- HS 411- Nursery Management
- HS 416- Principles of Ornamental Planting Design
- HS 421- Physiology and Culture of Temperate-Zone Tree Fruits
- HS 422- Small Fruit Production
- HS 431- Vegetable Production
- HS 432- Introduction to Permaculture
- HS 440- Greenhouse Management
- HS 442- Production of Floricultural Crops
- HS 451- Plant Nutrition
- HS 462- Postharvest Physiology
- HS 471- Tree and Grounds Maintenance
- HS 492- External Learning Experience
- HS 493- Special Problems in Horticultural Science
- HS 495- Special Topics in Horticultural Science
- HS 502- Plant Disease: Methods & Diagnosis
- HS 525- Advanced Plant Propagation
- HS 541- Plant Breeding Methods
- HS 542- Advanced Vegetable Crop Management
- HS 543- Food Production in Greenhouses and High Tunnels
- HS 562- Postharvest Physiology
- HS 590- Special Problems in Horticultural Science
- HS 601- Seminar Techniques and Technology
- HS 610- Special Topics in Horticultural Science
- HS 615- Advanced Special Topics
- HS 685- Master's Supervised Teaching
- HS 688- Non-Thesis Masters Continuous Registration - Half Time Registration
- HS 689- Non-Thesis Master Continuous Registration - Full Time Registration
- HS 690- Master's Examination
- HS 693- Master's Supervised Research
- HS 695- Master's Thesis Research
- HS 696- Summer Thesis Research
- HS 699- Master's Thesis Preparation
- HS 701- Carbohydrate Metabolism and Transport
- HS 702- Biology of Plant Hormones
- HS 703- Breeding Asexually Propagated Crops
- HS 704- Plant Nomenclature
- HS 705- Physiology Of Flowering
- HS 706- Fruit Development and Postharvest Physiology
- HS 707- Environmental Stress Physiology
- HS 715- Weed Science Research Techniques
- HS 717- Weed Management Systems
- HS 718- Biological Control of Weeds
- HS 720- Molecular Biology In Plant Breeding
- HS 722- Mineral Nutrition In Plants
- HS 725- Pesticide Chemistry
- HS 727- Pesticide Behavior and Fate In the Environment
- HS 729- Herbicide Behavior In Plants
- HS 732- Vegetable Crop Physiology
- HS 745- Quantitative Genetics In Plant Breeding
- HS 746- Breeding Methods
- HS 748- Breeding For Pest Resistance
- HS 790- Special Problems in Horticultural Science
- HS 815- Advanced Special Topics
- HS 860- Plant Breeding Laboratory
- HS 861- Plant Breeding Laboratory
- HS 885- Doctoral Supervised Teaching
- HS 890- Doctoral Preliminary Examination
- HS 891- Research Principal
- HS 893- Doctoral Supervised Research
- HS 895- Doctoral Dissertation Research
- HS 896- Summer Dissertation Research
- HS 899- Doctoral Dissertation Preparation