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Horticulture

This is an archived copy of the 2022-2023 catalog. To access the most recent version of the catalog, please visit http://catalog.iastate.edu.

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To meet the educational needs of a student population with interests ranging from plant physiology to landscape design/installation to fruit and vegetable production to golf course/athletic field construction and management, considerable flexibility is built into the horticulture curriculum. The diversity of interests and need for flexibility are reflected in the impressive array of horticulture courses offered.

The Department of Horticulture offers six options within the horticulture major:

  1. Greenhouse Plant Production
  2. Horticultural Food Crop Production and Management
  3. Landscape Design, Installation, and Management
  4. Public Horticulture
  5. Horticulture Research
  6. Turfgrass Management

Graduates possess the technical knowledge and skills to become professional horticulturists. They understand principles of life science, plant growth and development, and are familiar with cultural and management practices for a wide assortment of horticultural crops. They are able to work and communicate effectively with fellow horticultural professionals and other citizens who share an interest in horticulture. Graduates also understand the ethical and environmental dimensions of problems and issues facing horticultural professionals.

A degree in horticulture opens the door to employment opportunities with production nurseries, seed companies, interior landscaping firms, greenhouses, garden centers, conservatories, landscape design/installation firms, public gardens and arboreta, orchards and vineyards, food processing companies, vegetable farms, fertilizer cooperatives, agricultural chemical companies, golf courses, sports fields, sod production companies, and lawn care businesses. Several allied plant-science industries also provide employment opportunities in the areas of sales, management, and communication. Opportunities exist for careers in research, teaching, extension, and business after obtaining advanced training in graduate school.

Student Learning Outcomes

Upon graduation, students should be able to:

  1. Acquire, integrate, and apply knowledge of plant science to manage systems.
  2. Demonstrate interdisciplinary knowledge and competency in managing horticulture systems.
  3. Synthesize knowledge and use insight and creativity to better understand and improve plant systems.
  4. Appreciate and communicate the diverse impacts of horticulture on people.
  5. Demonstrate professionalism and proficiency in skills that relate to horticulture.

Degree Requirements

Students majoring in horticulture will select an option in which to specialize before reaching junior standing and will fulfill the requirements described below under Options.

Total Degree Requirement: 129 credits

Only 65 credits from a two-year institution may apply which may include up to 16 technical credits; 9 P-NP credits of free electives; 2.00 minimum GPA.

Biological Sciences:  18 cr.

BIOL 211Principles of Biology I3
BIOL 211LPrinciples of Biology Laboratory I1
And complete fourteen credit hours from the following:14
Weed Identification
Soil Conservation and Land Use
Crop Structure-Function Relationships
Principles of Weed Science
Soils and Plant Growth
and Soils and Plant Growth Laboratory
Principles of Biology II
and Principles of Biology Laboratory II
Ecology
Principles of Genetics
and Genetics Laboratory
Genetics, Agriculture and Biotechnology
Principles of Molecular Cell Biology
Plants and People
Plant Systematics
Principles of Plant Physiology
Plant Anatomy
Plant Ecology
Introduction to Insects
Insects and Society
Insect Biology
Plant Protection Using Natural Enemies
Fundamentals of Entomology and Pest Management
Forest Insects and Diseases
Principles of Plant Pathology
Total Credits18

 Communications Proficiency (with a grade of C or better)

6 credits of English composition (see approved courses below)
3 credits of speech fundamentals (see approved courses below)

Communication/Library:  13 cr.

ENGL 150Critical Thinking and Communication3
ENGL 250Written, Oral, Visual, and Electronic Composition3
LIB 160Introduction to College Level Research1
ENGL 302Business Communication3
or ENGL 309 Proposal and Report Writing
or ENGL 314 Technical Communication
One of the following:3
Fundamentals of Public Speaking
Presentation and Sales Strategies for Agricultural Audiences
Professional Communication
Total Credits13

Ethics: 3 cr.

3 cr. from approved list3

Humanities and Social Sciences: 6 cr.

Approved Humanities course3
Approved Social Science course3
Total Credits6

International Perspective: 3 cr.

3 cr. from approved list3
Total Credits3

U.S. Diversity: 3 cr.

3 cr. from approved list3
Total Credits3

Life Sciences: 6 cr.

BIOL 211Principles of Biology I3
Approved Life Sciences course3
Total Credits6

Mathematical Sciences: 6 cr.

Select one course from the following:3
College Algebra
Discrete Mathematics for Business and Social Sciences
Calculus I
AND select one of the following:3
Principles of Statistics
Introduction to Statistics
Introduction to Business Statistics I
Intermediate Statistical Concepts and Methods
Total Credits6

Physical Sciences: 11 cr.

Complete one of the following:5
College Chemistry
and Laboratory in College Chemistry
General Chemistry I
and Laboratory in General Chemistry I
AND complete one course from the following:3-4
Organic Compounds in Plants and Soils
General Chemistry II
and Laboratory in College Chemistry II
Organic Chemistry I
and Laboratory in Organic Chemistry I
Physics for the Nonscientist
Physics for the Life Sciences
General Physics I
and General Physics I Laboratory
AND complete one course from the following:3-5
Structure and Reactions in Biochemical Processes
Elementary Organic Chemistry
and Laboratory in Elementary Organic Chemistry
Organic Chemistry I
and Laboratory in Organic Chemistry I
Total Credits11-14

Horticultural Sciences:  Minimum of 30 cr.

HORT 110Professional and Educational Development in Horticulture.1
HORT 221Principles of Horticulture Science3
HORT 321Horticulture Physiology3
HORT 445Horticulture Management and Administration2
Select 21 cr. hours from courses within selected option.21
Total CreditsMinimum of 30

Soil Sciences: 3 cr.

AGRON 182Introduction to Soil Science3
Total Credits3

Electives

No more than 4 cr. of Hort 490 may count toward graduation.

Options

Greenhouse Plant Production

The following courses are required to meet the Horticulture requirement:
HORT 240Trees, Shrubs, and Woody Vines for Landscaping3
HORT 322Plant Propagation3
HORT 330Herbaceous Ornamental Plants3
HORT 331Hydroponic Crop Production2
HORT 332Greenhouse and Nursery Operations and Management4
HORT 434Floriculture Crop Production3
HORT 435Landscape Plant Production3
Other recommended courses are:
Horticultural Management Experience
Sustainable and Environmental Horticulture Systems
Horticultural Postharvest Technology
House Plants and Interiorscaping
Required for option:
ACCT 284Financial Accounting3
And select 9 cr. hours from the following:9
Legal Environment of Business
Managerial Accounting
Business Law
Introduction to Weather and Climate
Computer Literacy and Applications
Principles of Microeconomics
Principles of Macroeconomics
Farm Business Management
Small Business Management
Entrepreneurship in Agriculture
Introduction to GIS
Feasibility Analysis and Business Planning
Entrepreneurship and Innovation
Management of Organizations
Organizational Behavior
Principles of Marketing
Sales Management
Consumer Behavior
Principles of Injury Prevention and Safety

Horticultural Food Crop Production and Management

The following courses are required to meet the Horticulture requirement:
HORT 276Understanding Grape and Wine Science3
HORT 376Fundamentals of Field Production of Horticultural Food Crops3
HORT 461Fruit Crop Production and Management3
HORT 471Vegetable Production and Management2
HORT 471LVegetable Production and Management Lab1
HORT 476Horticultural Postharvest Technology3
Other recommended courses:
Plant Propagation
Hydroponic Crop Production
Greenhouse and Nursery Operations and Management
Seed Science and Technology
Horticultural Management Experience
Organic Agricultural Theory and Practice
Required for option:
ACCT 284Financial Accounting3
And select 9 cr. hours from the following:9
Legal Environment of Business
Managerial Accounting
Business Law
Computer Literacy and Applications
Principles of Microeconomics
Principles of Macroeconomics
Farm Business Management
Small Business Management
Entrepreneurship in Agriculture
Environmental Planning
Energy and the Environment
Environmental Sociology
Environmental Law and Planning
Food Laws and Regulations
Food Processing
Food Processing Laboratory
Feasibility Analysis and Business Planning
Entrepreneurship and Innovation
Management of Organizations
Organizational Behavior
Principles of Marketing
Sales Management
Consumer Behavior
Principles of Injury Prevention and Safety
Soil and Water Conservation Management

Horticulture Research

The following courses are required for this option:
AGEDS 312Science With Practice3
HORT 322Plant Propagation3
Biological Sciences:
BIOL 430Principles of Plant Physiology3
Other recommended courses:
Trees, Shrubs, and Woody Vines for Landscaping
Herbaceous Ornamental Plants
Hydroponic Crop Production
Greenhouse and Nursery Operations and Management
Landscape Plant Installation, Establishment, and Management
Fundamentals of Field Production of Horticultural Food Crops
Horticultural Management Experience
Mathematical Sciences Requirement:8
Calculus I
Calculus II
Physical Sciences Requirement:
Survey of Biochemistry
Biochemistry I
Principles of Biochemistry
General Chemistry I
Laboratory in General Chemistry I
General Chemistry II
Laboratory in College Chemistry II
Organic Chemistry I
Laboratory in Organic Chemistry I
Organic Chemistry II
Laboratory in Organic Chemistry II
General Physics I
and General Physics I Laboratory
General Physics II
and General Physics II Laboratory
And select 5 cr. hours from the following:
Biochemistry II
Biochemistry I
Principles of Biochemistry
Techniques in Biochemical Research
Principles of Genetics
Genetics Laboratory
Principles of Molecular Cell Biology
Biological Evolution
Quantitative and Environmental Analysis
Quantitative and Environmental Analysis Laboratory
Instrumental Methods of Chemical Analysis
Instrumental Analysis Laboratory
Laboratory in Physical Chemistry
Laboratory in Physical Chemistry
Introductory Quantum Mechanics
Windows Application Programming
Fundamentals of Computer Programming
Molecular Genetics
Analytical Genetics

Landscape Design, Installation and Management

The following courses are required to meet the Horticulture requirement:
HORT 240Trees, Shrubs, and Woody Vines for Landscaping3
HORT 281Landscape Graphics2
HORT 330Herbaceous Ornamental Plants3
HORT 341Woody Plant Cultivars: Shade Trees, Ornamental Trees and Woody Shrubs2
HORT 342Landscape Plant Installation, Establishment, and Management3
HORT 351Turfgrass Establishment and Management3
HORT 380Principles of Garden Composition2
HORT 381Beginning Garden Composition Studio2
HORT 444Landscape Construction Management3
HORT 481Advanced Garden Composition2
Other recommended courses are:
Plant Propagation
Greenhouse and Nursery Operations and Management
Horticultural Management Experience
Required for option:
ACCT 284Financial Accounting3
And select 9 cr. hours from the following:9
Legal Environment of Business
Managerial Accounting
Business Law
Computer Literacy and Applications
Small Business Management
Entrepreneurship in Agriculture
Feasibility Analysis and Business Planning
Entrepreneurship and Innovation
Management of Organizations
Organizational Behavior
Principles of Marketing
Sales Management
Consumer Behavior
Soil and Water Conservation Management

Public Horticulture

The following courses are required to meet the Horticulture requirement:
HORT 240Trees, Shrubs, and Woody Vines for Landscaping3
HORT 322Plant Propagation3
HORT 330Herbaceous Ornamental Plants3
Other recommended courses:
House Plants and Interiorscaping
Landscape Graphics
Greenhouse and Nursery Operations and Management
Woody Plant Cultivars: Shade Trees, Ornamental Trees and Woody Shrubs
Landscape Plant Installation, Establishment, and Management
Turfgrass Establishment and Management
Turfgrass Establishment and Management Laboratory
Fundamentals of Field Production of Horticultural Food Crops
Principles of Garden Composition
Beginning Garden Composition Studio
Horticultural Management Experience
Required for option
ACCT 284Financial Accounting3
And select 9 credit hours from the following:9
Legal Environment of Business
Managerial Accounting
Business Law
Foundations of Agricultural Education Programs
Planning Agriculture and Life Sciences Education Programs
Interpersonal Communication
Professional Communication
Small Group Communication
Principles of Microeconomics
Small Business Management
Entrepreneurship in Agriculture
Descriptive English Grammar
Free-Lance Writing for Popular Magazines
Creative Writing: Nonfiction
Proposal and Report Writing
Rhetorical Website Design
Business and Technical Editing
Visual Aspects of Business and Technical Communication
Integrating GPS and GIS for Natural Resource Management
Introduction to GIS
Principles of Finance
Reporting and Writing for the Mass Media
Fundamentals of Photojournalism
Management of Organizations
Organizational Behavior
Personnel and Human Resource Management
Principles of Public Relations
Business and Professional Speaking
Communication in Classrooms and Workshops

Turfgrass Management

The following courses are required to meet the Horticulture requirement:
HORT 240Trees, Shrubs, and Woody Vines for Landscaping3
HORT 351Turfgrass Establishment and Management3
HORT 351LTurfgrass Establishment and Management Laboratory1
HORT 451Professional Turfgrass Management2
HORT 453Sports Turf Management3
HORT 454Turf & Landscape Irrigation3
HORT 551Growth and Development of Perennial Grasses2
Other recommended courses:
Herbaceous Ornamental Plants
Plant Propagation
Horticultural Management Experience
Sustainable and Environmental Horticulture Systems
Required for option:
ACCT 284Financial Accounting3
And select 9 cr. hours from the following:9
Managerial Accounting
Business Law
Introduction to Weather and Climate
Environmental Soil Science
Environmental Soil and Water Chemistry
Computer Literacy and Applications
Small Business Management
Entrepreneurship in Agriculture
Introduction to GIS
Introduction to Environmental Issues
Energy and the Environment
Introduction to the Hospitality Industry
Contemporary Club Management
Management of Organizations
Organizational Behavior
Principles of Injury Prevention and Safety
Soil and Water Conservation Management

Horticulture, B.S. Greenhouse Plant Production Option

Freshman
FallCreditsSpringCredits
ENGL 1503ENGL 2503
CHEM 1634BIOL 2113
CHEM 163L1BIOL 211L1
ECON 1013STAT 1043
HORT 1213AGRON 1823
LIB 1601HORT 2213
HORT 1101 
 16 16
Sophomore
FallCreditsSpringCredits
ENT 2011HORT 3324
ENT 2112AGRON 2823
HORT 2403PHYS 101, 115, BBMB 221, or AGRON 2593-4
MATH 1403ENT 3763
ACCT 2843Elective3
HORT 3312 
Elective1 
 15 16-17
Junior
FallCreditsSpringCredits
HORT 4343ENT 3753
HORT 3213MGMT 3103
HORT 3911HORT 3223
PL P 4083CHEM 231 & 231L or BBMB 2213-4
Elective3International Perspective3
US Diversity3Elective1
 16 16-17
Senior
FallCreditsSpringCredits
HORT 3303HORT 4353
HORT 3911ECON 3343
ECON 2343Humanities3
HORT 4452ENGL 302 or 3143
SP CM 212 or AGEDS 3113Elective1
Elective1HORT 3423
Ethics3 
 16 16

Horticulture, B.S. - Horticulture Food Crop Production and Management Option

Freshman
FallCreditsSpringCredits
ENGL 1503ENGL 2503
CHEM 1634BIOL 2113
CHEM 163L1BIOL 211L1
ECON 1013STAT 1043
HORT 1213AGRON 1823
LIB 1601HORT 2213
HORT 1101 
 16 16
Sophomore
FallCreditsSpringCredits
ENT 2011AGRON 2823
ENT 2112HORT 2763
HORT 3763PHYS 101, 131, 115, BBMB 221, or AGRON 2593-4
MATH 1403ENT 3763
ACCT 2843HORT 4712
International Perspective3HORT 471L1
Elective1Elective1
 16 16-17
Junior
FallCreditsSpringCredits
HORT 3312Biological Science3
HORT 3213HORT 3324
HORT 3911HORT 3223
Humanities3HORT 4613
CHEM 231 & 231L or BBMB 2213-4Elective3
Elective3 
 15-16 16
Senior
FallCreditsSpringCredits
MGMT 3103ENGL 302 or 3143
HORT 3911ECON 3343
ECON 2343PL P 4083
HORT 4763Ethics3
HORT 4452US Diversity3
SP CM 212 or AGEDS 3113Elective1
Elective1 
 16 16

Horticulture, B.S. - Landscape Design, Installation, and Management

Freshman
FallCreditsSpringCredits
ENGL 1503ENGL 2503
CHEM 1634BIOL 2113
CHEM 163L1BIOL 211L1
ECON 1013STAT 1043
HORT 1213AGRON 1823
LIB 1601HORT 2213
HORT 1101 
 16 16
Sophomore
FallCreditsSpringCredits
ENT 2011AGRON 2823
ENT 2112HORT 3802
HORT 3303PHYS 101, 131, 115, BBMB 221, or AGRON 2593-4
MATH 1403ENT 3763
ACCT 2843HORT 3812
HORT 2812Elective3
HORT 4443 
 17 16-17
Junior
FallCreditsSpringCredits
HORT 2403BIOL 3553
HORT 3213CHEM 231 & 231L or BBMB 2213-4
HORT 3911International Perspective3
HORT 4812US Diversity3
SP CM 212 or AGEDS 3113HORT 3412
ECON 2343HORT 3423
 15 17-18
Senior
FallCreditsSpringCredits
MGMT 3103ENGL 302 or 3143
HORT 3911Humanities3
ECON 3343Ethics3
HORT 4452PL P 4083
HORT 3513HORT 3223
Elective1Elective 1
 13 16

Horticulture, B.S. - Public Horticulture Option

Freshman
FallCreditsSpringCredits
ENGL 1503ENGL 2503
CHEM 1634BIOL 2113
CHEM 163L1BIOL 211L1
ECON 1013STAT 1043
HORT 1213AGRON 1823
LIB 1601HORT 2213
HORT 1101 
 16 16
Sophomore
FallCreditsSpringCredits
ENT 2011AGRON 2823
ENT 2112HORT 3223
HORT 2403PHYS 101, 131, 115, BBMB 221, or AGRON 2593-4
MATH 1403ENT 3763
ACCT 2843Elective3
International Perspective3 
Elective1 
 16 15-16
Junior
FallCreditsSpringCredits
HORT 3303BIOL 3553
HORT 3213CHEM 231 & 231L or BBMB 2213-4
HORT 3911HORT 4243
SP CM 212 or AGEDS 3113Elective3
P R 2203US Diversity3
Elective3Elective1
 16 16-17
Senior
FallCreditsSpringCredits
ENGL 3093ENGL 302 or 3143
PL P 4083Elective3
HORT 3911Humanities3
JL MC 2013HORT 3324
HORT 4452HORT 3423
Elective1 
Ethics3 
 16 16

Horticulture, B.S. - Horticulture Research Option

Freshman
FallCreditsSpringCredits
ENGL 1503ENGL 2503
CHEM 1774BIOL 2113
CHEM 177L1BIOL 211L1
ECON 1013STAT 1043
HORT 1213AGRON 1823
LIB 1601HORT 2213
HORT 1101 
 16 16
Sophomore
FallCreditsSpringCredits
BIOL 2123US Diversity3
BIOL 212L1HORT 3324
HORT 2403MATH 1664
MATH 1654PHYS 1314
CHEM 1783PHYS 131L1
CHEM 178L1 
 15 16
Junior
FallCreditsSpringCredits
PHYS 1324ENT 3763
PHYS 132L1BIOL 3133
HORT 3213BIOL 313L1
HORT 3911HORT 3223
PL P 4083CHEM 3313
AGEDS 3123CHEM 331L1
HORT 3423International Perspective3
 18 17
Senior
FallCreditsSpringCredits
CHEM 3323BIOL 3143
CHEM 332L1BIOL 4303
HORT 3911Humanities3
BBMB 301, 404, or 3163Ethics3
ENGL 302 or 3143HORT 3303
HORT 4452Elective1
SP CM 212 or AGEDS 3113 
 16 16

Horticulture, B.S. - Turfgrass Management Option

Freshman
FallCreditsSpringCredits
ENGL 1503ENGL 2503
CHEM 1634BIOL 2113
CHEM 163L1BIOL 211L1
ECON 1013STAT 1043
HORT 1213AGRON 1823
LIB 1601HORT 2213
HORT 1101 
 16 16
Sophomore
FallCreditsSpringCredits
ENT 2011AGRON 2823
ENT 2112Humanities3
HORT 2403PHYS 101, 131, 115, BBMB 221, or AGRON 2593-4
MATH 1403HORT 5512
ACCT 2843SP CM 212 or AGEDS 3113
HORT 3513Elective3
HORT 351L1 
 16 17-18
Junior
FallCreditsSpringCredits
HORT 4533AGRON 3543
HORT 3213ENT 3763
HORT 3911HORT 4512
PL P 4083HORT 3223
International Perspective3Elective2
US Diversity3CHEM 231 & 231L or BBMB 2213-4
 16 16-17
Senior
FallCreditsSpringCredits
AGRON 2063ENGL 302 or 3143
HORT 3911HORT 3423
HORT 4543HORT 4243
HORT 4452Ethics3
Option Class3Option Class3
Option Class3Elective1
Elective1 
 16 16

Minors

The Department of Horticulture offers two minors: 1) Horticulture and 2) Landscape Management.  Both minors are earned by taking HORT 221 Principles of Horticulture Science plus 12 additional credits with a maximum of 3 credits at the 200-level and a minimum of 9 credits at the 300-level or above. The minor must include at least 9 credits that are not used to meet any other department, college, or university requirement.

Horticulture minor

The Horticulture minor is a broad-based minor that does not focus within a specific area of horticulture.  The 12 additional credits for this minor can be selected from the full list of Horticulture courses.

Landscape Management minor

The Landscape Management minor focuses on landscape management including plant selection, landscape installation and management, and turfgrass management.  The 12 additional credits for this minor can be selected from the following courses:  HORT 240 Trees, Shrubs, and Woody Vines for Landscaping, HORT 281 Landscape GraphicsHORT 330 Herbaceous Ornamental Plants, HORT 341 Woody Plant Cultivars: Shade Trees, Ornamental Trees and Woody Shrubs, HORT 342 Landscape Plant Installation, Establishment, and Management, HORT 351 Turfgrass Establishment and Management or HORT 444 Landscape Construction Management.

Graduate Study

The graduate major in horticulture leads to the M.S. (thesis and non-thesis option) and Ph.D.  Some faculty members of the department serve as major professors for students in interdepartmental graduate majors in plant biology; genetics and genomics; molecular, cellular, and developmental biology; ecology and evolutionary biology; sustainable agriculture; and environmental science.

Graduates possess a broad understanding of horticulture and the allied plant sciences. They are able to communicate effectively with members of the scientific community, industry groups, and other interested citizens. They are experienced in conducting research and communicating the results from that research. They are capable of addressing and solving complex problems that confront the many horticultural, agricultural, and plant science professions. They also understand the ethical, legal, social, and environmental issues associated with modern agricultural/horticultural practices.