Ag – Environmental Horticulture
19 courses · Shasta College · 2026-2027 Catalog
Classes: Fall 2026
AGEH-10 Plant Identification and Usage
- Units
- 3
- Hours
- 36 lecture/54 lab total (when offered in the distance education format, hours will total 162)
- Transfers to
- CSU
- C-ID
- AG-EH 112 109L
This course teaches identification, growth habits, culture, and ornamental use of commonly used landscape plants adapted to the climates of California. Plant materials from our local region will be emphasized. This course is required for an AA or AS degree in Environmental Horticulture. This course may be offered in a distance education format.
AGEH-22 Nursery Practices and Plant Propagation
- Units
- 2
- Hours
- 18 lecture/54 lab total (when offered in the distance education format, hours will total 54 for the lecture portion of the class and an additional 54 hours of lab, totaling 108 hours for this course)
- Formerly
- HORT 22, HORT 32A
- Transfers to
- CSU
- C-ID
- AG-EH 116L
This course is required for all Horticulture majors. The methods and principles used in the propagation of plants, including both sexual and asexual propagation, will be demonstrated and practiced. Other topics related to successful plant propagation such as soil media preparation, the growing environment, transplanting and potting, disease and insect control, irrigation, and fertilization will also be covered. The lecture portion of this course may be offered in a distance education format.
AGEH-23 Nursery Practices and Management
- Units
- 2
- Hours
- 18 lecture/54 lab total (when offered in the distance education format, hours will total 54 for the lecture portion of the class and an additional 54 hours of lab, totaling 108 hours for this course)
- Formerly
- HORT 23, HORT 32B
- Transfers to
- CSU
- C-ID
- AG-EH 116L
This hands-on course will cover production schedules, marketing strategies, customer service, product displays, greenhouse and nursery management, and much more. Best practices and economic feasibility will be emphasized. The lecture portion of this course may be offered in a distance education format.
AGEH-26 Integrated Pest Management
- Units
- 3
- Hours
- 36 lecture/54 lab total (when offered in the distance education format, hours will total 162)
- Formerly
- HORT 26, AGRI 26
- Transfers to
- CSU
- C-ID
- AG-EH 120X
This course provides an in-depth study of major horticultural pests, including insects, weeds, and plant diseases, with a focus on their identification, impact on commercial nursery crops, and control strategies. Students will explore integrated pest management techniques, emphasizing cultural, biological, mechanical/physical, and chemical control methods. The course is tailored to help students prepare for California pest management licensing exams. Laboratory work is required. This course may be offered in a distance education format.
AGEH-31 Landscape Irrigation
- Units
- 3
- Hours
- 36 lecture/54 lab total (when offered in the distance education format, hours will total 108 for the lecture portion of the class and an additional 54 hours of lab, totaling 162 hours for this course)
- Advisory
- Math Placement Level 3 or higher; and English Placement Level 6 or higher
- Formerly
- HORT 31, AGRI 31
- Transfers to
- CSU
- C-ID
- AG-EH 144X
This is a study of water hydraulics, irrigation systems design, installation procedures, and irrigation scheduling. Techniques in the operation and maintenance of irrigation systems will also be presented. Emphasis will be placed on residential design and installation, but commercial design and installation will also be covered. This course is required for all Environmental Horticulture majors. The lecture portion of this course may be offered in a distance education format.
AGEH-33 Environmental Horticulture
- Units
- 3
- Hours
- 54 lecture total (when offered in the distance education format, hours will total 162)
- Formerly
- HORT 33, AGRI 33
- Transfers to
- CSU, UC
- C-ID
- AG-EH 104X
Environmental horticulture provides students with an understanding of how various aspects of the environment relate to plant growth and how human horticultural practices can influence the environment. This course explains the basic principles of botany and horticulture. Topics include basic botany, cultural practices, propagation, structures and layout, pest management, planting, container gardening and houseplants, floral design, plant identification, turfgrass installation and care, and survey of career opportunities. This course is useful for plant scientists, horticulturists, and those seeking science credits, and is required for first-year Environmental Horticulture Majors. This course may be offered in a distance education format.
AGEH-35 Landscape Design
- Units
- 3
- Hours
- 36 lecture/54 lab total (when offered in the distance education format, hours will total 108 for the lecture portion of the class and an additional 54 hours of lab, totaling 162 hours for this course)
- Prerequisite
- AGEH 10 with a grade of C or higher, or AGNR 6 with a grade of C or higher
- Formerly
- HORT 35, AGRI 35
- Transfers to
- CSU, UC
This course is a requirement for all Environmental Horticulture majors. This course emphasizes the process leading to the development of the residential design. The incorporation of design principles i.e. unity, rhythm, repetition, balance, etc. and how the principles are used to create a functional and pleasing composition with plant material and other landscape elements will be stressed. Emphasis is on residential design, both rural and suburban. The lecture portion of this course may be offered in a distance education format.
AGEH-38 Landscape and Turf Management
- Units
- 3
- Hours
- 36 lecture/54 lab total (when offered in the distance education format, hours will total 162)
- Formerly
- HORT 38, AGRI 38
- Transfers to
- CSU
- C-ID
- AG-EH 128X
This is a required course for Horticulture majors. The installation of lawns, groundcovers, shrubs, and trees will be covered. The practices of pruning, trimming, mowing, watering, fertilizing, and pesticide application as applied to landscape management of home, parks, highways, and how to estimate and bid in all areas of landscape management will also be covered. This course may be offered in a distance education format.
AGEH-48 The Art of Floral Design
- Units
- 3
- Hours
- 36 lecture/54 lab total (when offered in the distance education format, hours will total 162)
- Transfers to
- CSU
This course studies the art and history of floral design. Students will study art principles, and the different art periods and how they influenced floral design. This course emphasizes the skills needed to provide the student with a perceptual base, leading to understanding artistic perception, creative expression, historical and cultural contexts, aesthetic valuing and connections, relations, and applications of the visual arts. In the lab, students will create designs influenced by the different art periods using modern floral techniques, tools, cut flowers, and floral products. A portion of this course may be offered in a distance education format.
AGEH-50 Introduction to Tree Care and Urban Forestry
- Units
- 3
- Hours
- 54 lecture total (when offered in the distance education format, hours will total 162)
- Transfers to
- CSU
- C-ID
- AG-EH 130 000X
This course covers the principles of urban forestry, arboriculture careers, and tree care. Topics will include: tree biology, tree identification, plant health care, soils, nutrition, planting, worker safety, climbing, pruning, tree care tools, and safety equipment. This course prepares the student with the knowledge necessary to obtain a Certified Arborist designation through the International Society of Arboriculture. This course may be offered in a distance education format.
AGEH-52 Landscape Construction
- Units
- 3
- Hours
- 36 lecture/54 lab total (when offered in the distance education format, hours will total 108 for the lecture portion of the class and an additional 54 hours of lab, totaling 162 hours for this course)
- Transfers to
- CSU
- C-ID
- AG-EH 132X
This course covers the fundamentals of landscape construction, including soil preparation, paving and construction materials, hand and power tool use, turf and plant installation, plan reading, and estimating and bid preparation. Other topics include local codes, state requirements, and new technologies. This course covers much of the information needed to pass the C-27 Landscaping Contractor's License exam. The lecture portion of this course may be offered in a distance education format.
AGEH-60 Master Gardener Training
- Units
- 3
- Hours
- 54 lecture total (when offered in the distance education format, hours will total 162)
- Advisory
- Essay-writing skills and eligibility to enroll in a transfer-level English Composition Course, or English Placement Level 6 or higher
- Formerly
- HORT 60
- Transfers to
- CSU
This is the training course for the Master Gardener Program, a community service organization designed to relay research based horticultural information to the home gardener. The Master Gardener program was developed by the University Cooperative Extension to train interested horticultural enthusiasts to assist local gardeners in diagnosing plant problems and to provide science based information for keeping home landscapes and the environment healthy. The University of California has agreed to let Shasta College use their training materials which are provided through this class. Topics covered in this course include pesticide use, IPM, weed identification and management, pruning, plant diseases, soils, fertilizers, growing vegetables, native plants, vermiculture, watering and many other plant related topics. This is a required course for anyone interested in obtaining a UC Extension certification as a Shasta College Master Gardener. This course may be offered in a distance education format.
AGEH-61 Plant Protection Materials
- Units
- 3
- Hours
- 162 total hours (distance education delivery format only)
- Transfers to
- CSU
Course will cover pesticide laws and regulations, risks, benefits and mode of action, safe and responsible use, toxicology, and environmental issues related to the use of all agricultural chemicals. Fertilizers, plant growth regulators, defoliants, antimicrobials and other new generation pesticides will be discussed. Sustainable practices will be emphasized and examples used to generate students’ ability to solve pest problems and formulate integrated pest/agrichemical management plans. This course may be offered in a distance education format.
AGEH-71 Organic Gardening Practices (Summer)
- Units
- 1
- Hours
- 9 lecture/27 lab total (when offered in the distance education format, hours will total 27 for the lecture portion of the class and an additional 27 hours of lab, totaling 54 hours for this course)
- Formerly
- HORT 71
- Transfers to
- CSU
This course is an introduction to Organic Gardening. It includes summer crops, irrigation, pests and cultural practices for growing a summer garden. Students will be planting crops for the season and encouraged to start their own garden plot.
AGEH-94 Horticulture Work Experience Education
- Units
- 1-14
- Hours
- 54-756 Work Experience Education hours
- Formerly
- HORT 94
- Transfers to
- CSU
The Horticulture Work Experience Education course allows the student to gain on-the-job experience through employment/volunteerism at an approved horticulture job site that is acquired by the student and related to the student's major. A faculty member supervises all WEE courses to ensure that the work experience is of educational value. The course stresses good work habits and meeting of competencies through actual on-the-job performance. A student may repeat this course since course content varies and skills are enhanced by supervised repetition and practice. A maximum of 14 units may be earned in a single semester.
AGEH-120 Selected Topics in Environmental Horticulture: Pruning
- Units
- 0.5
- Hours
- 9 lecture total
- Formerly
- HORT 120, HORT 128E, AGRI 128E
This is a basic course in pruning techniques of ornamental plants, and the specific categories of flower-bearing and fruit-bearing trees, shrubs, and vines. The focus of this short course is to teach the student why plants are pruned, when plants should be pruned and how plants are pruned.
AGEH-130 Introduction to Native Plants
- Units
- 1
- Hours
- 18 lecture total (when offered in the distance education format, hours will total 54)
- Formerly
- HORT 130, AGRI 130
This course covers the use of California Native plants in the landscape, as well as the identification, collection, and propagation of native and non-native drought-tolerant plants used in the landscape. This course may be offered in a distance education format.
AGEH-323 Nursery Practices and Management
- Units
- 0
- Hours
- 18 lecture/54 lab (when offered in the distance education format, hours will total 108)
This hands-on course will cover production schedules, marketing strategies, customer service, product displays, greenhouse and nursery management, and much more. Best practices and economic feasibility will be emphasized. The lecture portion of this course may be offered in a distance education format.
AGEH-371 Organic Gardening Practices
- Units
- 0
- Hours
- 9 lecture/27 lab (when offered in the distance education format, hours will total 54)
This course is an introduction to organic gardening. It includes summer crops, irrigation, pests, and cultural practices for growing a summer garden. Students will be planting crops for the season and encouraged to start their own garden plot. A portion of this course may be offered in a distance education format.