Understanding the depth and breadth of the environmental horticulture industry, the department, and the University. Student and professional organizations, equipment safety and operation. Required of all students in the major. Credit/No Credit grading only. 1 laboratory.

Introduction to environmental horticulture. Plant processes, climate and the effect of the environment on plants. Controlling the plant’s environment, soil and media, mineral nutrition. Introduction to disease and pest control. Field trip required. 3 lectures, 1 laboratory.

Aesthetic aspects of environmental horticulture, including landscape drafting, landscape and floral design and history. Design in the use and presentation of environmental products. Miscellaneous course fee required–see Class Schedule. 3 lectures, 1 laboratory. Prerequisite: OH 110, OH 121.

Planting and maintenance of trees, shrubs, ground covers, and small turf areas. Site selection, cultural requirements, scheduling of maintenance activities, pruning and fertilizing. Equipment maintenance, safety and operation. Speakers from industry. 3 lectures, 1 laboratory. Prerequisite: OH 110, OH 121.

Plant propagation practices with emphasis on understanding why practices are used, how they work, and how applied in commercial horticulture. 3 lectures, 1 laboratory. Prerequisite: OH 110, OH 121.

Fundamentals of theory, techniques and skills currently practiced in the florist industry. Intended as consumer education for non-majors as well as initial preparation for pre-professionals. Includes applied art principles, post-harvest care and handling practices, and proper use of florist tools and materials in crafting basic designs. Miscellaneous course fee required–see Class Schedule. 1 lecture, 2 laboratories.

Design, construction and repair of structures and facilities unique to the environmental horticulture industry. Materials, tools, equipment, and machinery used. 2 laboratories.

Individual investigation, research, studies, or surveys of selected problems. Total graduation credit limited to 4 units, with a maximum of 4 units per quarter. Report required. Prerequisite: Consent of department head.

Selection and completion of a management/production project under faculty supervision. Project participation is voluntary and subject to approval by the department head and the Cal Poly Foundation. Degree credit limited to two units. Credit/No Credit grading only. Prerequisite: OH 110, OH 121, OH 124.

Water issues as they relate to the environmental horticulture industry. Water management, conservation, and quality. Methods and evaluation of water delivery. Miscellaneous course fee required–see Class Schedule. 2 lectures, 1 laboratory. Prerequisites: OH 121, OH 122, OH 123, OH 124, CHEM 111.

Diagnosing of plant problems associated with environmental, nutritional, and physiological factors. Particular emphasis on the systematic inquiry process. Case histories, multimedia use. 2 lectures, 1 laboratory. Prerequisite: OH 121, OH 122, OH 123, OH 124, BOT 121, CHEM 111, SS 121.

Expanded exploration and application of design theory to commercial products and services in the retail florist industry. Appropriate utilization of current sales and business practices in a florist setting. Advanced techniques and skills for construction of wedding, sympathy, holiday and gift floral designs. Miscellaneous course fee required–see Class Schedule. 1 lecture, 2 laboratories. Prerequisite: OH 125.

Technical information and recommendations for the residential horticulturist. Propagation, pruning, planting, media, fertilizers, pest and weed control, landscaping, maintenance, identification and care of ornamental plants. Being a wise horticultural consumer. For non-horticulture majors. 3 lectures, 1 laboratory.

Identification, habits of growth, cultural requirements, and use of ornamental plants in the landscape. Field trip required. 3 lectures, 1 laboratory. Prerequisite: BOT 121. OH 231 prerequisite for OH 232.

Turf propagation, irrigation, fertilizer and pest control methods and procedures. Turf grass varieties and uses. Turf equipment. 3 lectures, 1 laboratory. Prerequisite: OH 123, SS 121.

Introduction to basic principles and elements of single-family residential landscape design, design theory, plant composition; creative problem solving, functional and aesthetic uses of landscape materials, client and maintenance criteria, xeriscape concepts, and perspective drawing. Expansion of OH 122 drafting and CADD skills. Miscellaneous course fee may be required–see Class Schedule. 2 lectures, 2 laboratories. Prerequisite: OH 122, OH 123, OH 126, OH 231 and one computer course (computer literacy).

Selection and completion of a management/production project under faculty supervision. Project participation is voluntary and subject to approval by the department head and the Cal Poly Foundation. Degree credit limited to two units. Maximum degree credit for OH 210 and OH 310 limited to four units. Credit/No Credit grading only. Prerequisite: OH 210 or consent of instructor.

Researching information about horticultural plants and presenting it verbally, in writing, and photographically. Systematic learning and identification of a selected group of horticultural plants. Field trip required. Miscellaneous course fee required--see Class Schedule. 4 lectures. Prerequisite: OH 232.

Computer Assisted Design Drafting (CADD) applications for horticultural business. Exposure to various media essential to horticultural presentations. Expanded computer applications for plan, elevation, and perspective drawings. Exposure to estimating, plant materials database and plant selection programs. Required field trip. Miscellaneous course fee required–see Class Schedule. 2 lectures, 2 laboratories. Prerequisite: Computer literacy course; OH 122.

Principles of landscape design for single-family residential properties. Project involvement includes actual client contact. Application of xeriscape concepts. Computer assisted design applications emphasized. Required field trips. Miscellaneous course fee required–see Class Schedule. 2 lectures, 2 laboratories. Prerequisite: OH 231, OH 232, OH 301. Recommended: OH 320, OH 381, BRAE 237.

Identification, propagation, production, marketing, utilization and maintenance of plants intended for interior plantscaping. 3 lectures, 1 laboratory. Prerequisite: OH 121, OH 124 or consent of instructor.

Grades and standards for fresh flowers, and blooming and foliage plants. Score cards in evaluating florist crops. Comparative evaluation used to develop both verbal skills and appreciation of commercially grown floriculture crops. 1 activity, 2 laboratories. Prerequisite: OH 121, or consent of instructor.

Practices in supervising personnel and applying standard techniques in landscape construction. Cost finding and estimating for landscape trades. Miscellaneous course fee required–see Class Schedule. 3 lectures, 1 laboratory. Prerequisite: OH 122, OH 126, OH 301.

Practices in supervising personnel and applying standard techniques in landscape construction cost finding and estimating for landscape trades. Rules, regulations, and licensing laws, set forth by the State of California, governing landscape contractors. Miscellaneous course fee required–see Class Schedule. 3 lectures, 1 laboratory. Prerequisite: OH 331.

Maintenance and operation of large areas such as golf greens, athletic fields, and park areas. Systems of management and maintenance, business aspects, and turf industry. 3 lectures, 1 laboratory. Prerequisite: OH 243, SS 221.

Overview of the management and maintenance of private and public parks and recreational areas. Field trips required. 3 lectures, 1 laboratory. Prerequisite: Junior standing or consent of instructor.

Selected Ornamental Horticulture students will spend up to 12 weeks with an approved agricultural firm engaged in production or related business. Time will be spent applying and developing production and managerial skills and abilities. One unit of credit may be allowed for each full week of completed and reported internship. Degree credit limited to 6 units. Credit/No Credit grading only. Prerequisite: Consent of internship instructor.

Analysis of problems and practices affecting the contemporary commercial horticulturist. Analysis and operation of greenhouses and related equipment stressing the effect of environment on plant growth. Field trip required. 3 lectures, 1 laboratory. Prerequisite: OH 121, or consent of instructor.

Production of cut flowers and other fresh florists' commodities in greenhouses and outdoors. Preparation and scheduling of such commodities for major markets. Field trip required. Miscellaneous course fee required–see Class Schedule. 3 lectures, 1 laboratory. Prerequisite: OH 340 or consent of instructor.

Production of major commercial flowering potted plants in greenhouses and outdoors. Preparation and scheduling of potted flowering greenhouse crops for major markets. Field trip required. 3 lectures, 1 laboratory. Prerequisite: OH 340 or consent of instructor.

Horticultural investigation of the California flora with emphasis on landscape use and potential. Plant recognition, identification, propagation and culture. Utilization of native plants in landscape design and habitat restoration. Field trips required. 3 lectures, 1 laboratory. Prerequisite: BOT 121, junior standing or consent of instructor.

Individual investigation, research, studies, or surveys of selected problems. Total degree credit limited to 4 units, with a maximum of 4 units per quarter. Report required. Prerequisite: Consent of department head.

Field trips to ornamental horticulture outlets and the industry businesses that supply them. Garden centers, flower shops and garden center flower shop combinations. Foundation and display gardens with retail outlets and public educational facilities. Required field trip includes wholesalers, jobbers, display houses, advertising agency and others working with the retailers. 1 activity. Prerequisite: OH 121.

Economics of operating and managing retail horticulture outlets. Location, selection, layout, and demographic studies. Personnel management, merchandising, advertising, pricing strategies and selling techniques, cooperative buying and industry contributions. 3 lectures, 1 laboratory. Field trip required. Prerequisite: OH 121, OH 122, ECON 201 or ECON 211, junior standing or consent of instructor. Recommended: BUS 271.

Care and management of large ornamental trees. Use of ropes and other safety equipment in tree climbing. Cavity work, bracing, cabling, and pruning. 3 lectures, 1 laboratory. Prerequisite: OH 123, OH 231, OH 232, or consent of instructor.

Theory and practices utilized in the management of ornamental trees found in landscaped urban settings. Scheduling of cultural practices and safe usage of hand and power equipment, as specified by professional arborists, and other safety regulations. 2 activities. Prerequisite: OH 421 or consent of instructor.

History and overview of the nursery industry. Types of wholesale nurseries and their products. Plant production systems, scheduling, marketing. Emphasis on the wholesale nursery industry in the western U.S. Field trip required. Miscellaneous course fee required–see Class Schedule. 3 lectures, 1 laboratory. Prerequisite: OH 124, OH 221, OH 222, SS 221, senior standing, or consent of instructor.

Principles of tissue culture applied to the propagation of ornamental plants. Systems applicable to commercial crops, laboratory organization, media, and current research. Miscellaneous course fee required–see Class Schedule. 2 lectures, 1 laboratory. Prerequisite: OH 124 and BOT 322 or CRSC 410.

Recognition, prevention and control of diseases, insect/mite pests and weeds that impact commercial ornamental plantings. Integrated pest management strategies presented including biological, cultural, and safe and proper pesticidal controls. Laboratory emphasizes hands-on approach to disease, pest and weed control procedures. Miscellaneous course fee required–see Class Schedule. 3 lectures, 1 laboratory. Prerequisite: OH 121, CRSC 311, BOT 324 and senior standing.

Maintenance procedures and operations. Operating a landscape management business. Estimating, scheduling, recordkeeping and implementation of landscape maintenance projects. Interior landscape maintenance. Miscellaneous course fee required–see Class Schedule. 3 lectures, 1 laboratory. Prerequisite: OH 123, OH 126, or permission of instructor.

Systematic presentation and critique of current aspects of interior landscaping. Elements of design, environmental influences and measurements, plant materials selection, specifications, procurement and installation, and subsequent maintenance of finished interiorscape. 3 lectures, 1 laboratory. Prerequisite: OH 301 and OH 324 or consent of instructor.

Problems and practices in the management of greenhouses. Scheduling greenhouse crops, planning crop rotation, cost accounting for floricultural crops, management decisions in production costs and personnel matters. Field trips required. 3 lectures, 1 laboratory. Prerequisite: OH 342 or consent of instructor.

Selection of a project under faculty adviser approval. Initial research and data gathering period for project information. Projects typical of problems which graduates must solve in their fields of study or employment. Project results are presented in a formal written report completed in OH 462. Contract drawn up with approval of adviser. Minimum 60 hours. Prerequisite: All 100–200 level courses in OH curriculum; 135 units; ENGL 114, ENGL 215 or ENGL 218.

Continuation of Senior Project development. Write-up of rough draft and formal draft of project. Completion of formal written report under adviser supervision. Minimum 60 hours. Prerequisite: Completion of OH 461 with a grade of C or better.

Open forum for senior students presenting information and developing skills necessary for career planning in professional horticulture. Exposure to current employment trends in the OH industry. 1 seminar. Prerequisite: OH 461.

Directed group study of selected topics for advanced students. Open to undergraduate and graduate students.

Class Schedule will list topic selected. Total credit limited to 6 units. 1 to 3 lectures. Prerequisite: Consent of instructor.

Directed group laboratory study of selected topics for advanced students. Open to undergraduate and graduate students. Class Schedule will list topic selected. Total credit limited to 6 units. 1 to 3 laboratories. Prerequisite: Consent of instructor.

Group study of current problems of the ornamental horticulture industry; current experimental and research findings as applied to production and to the teaching of horticulture. Service course for, and topics chosen by, Agriculture Education Department. Not available for credit for OH majors. Repeatable for credit up to 9 units. 3 seminars.