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Ecampus Schedule of Classes - Spring 2027

Horticulture Course Schedule

Click on course title(s) below to access course description, syllabi, and textbook information for your course(s). Contact OSU Ecampus at 800-667-1465 (option 1) or ecampus.ess@oregonstate.edu for assistance.

Note: The Ecampus schedule of classes includes available courses for the current term and up to three future terms. Class offerings are continually updated and may be added, removed, or rescheduled without notice. Check back frequently for current information.

HORT 112 – Introduction to Horticultural Systems, Practices and Careers (2)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27595334012Gearhart, A.Online Open404000
Registration Restrictions
Campus Restrictions: -C (Corv)
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 112 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 212 – Introduction to Organic Agricultural Systems (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27537604004Lloyd, D.Online Open505000
Registration Restrictions
Campus Restrictions: -C (Corv)
Class Notes: Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 212 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 273 – Therapeutic Horticulture Programming (2)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27563494002Bierman, M.Online Open303000
Registration Restrictions
Enforced Prereqs: HORT 272 [D-]
Campus Restrictions: -C (Corv)
Class Notes: This is the fourth course in a 6 course, 14 credit sequencein therapeutic horticulture required for completion of the Therapeutic Horticulture Option and registration with theAmerican Horticultural Therapy Association.Note that withdrawl and refund dates are different for this 5 week course. See

Non-Traditional Course Deadlines for important information.Campus restrictions end Monday of Week 10

Syllabus: Available in Canvas to students enrolled in this course.
Session: 1st 5 Week Module. Course runs March 29 to April 30, 2027.
Find textbooks for HORT 273 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 274 – Therapeutic Horticulture Skills II (2)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27563504002Bierman, M.Online Open303000
Registration Restrictions
Enforced Prereqs: HORT 273* [D-]
Campus Restrictions: -C (Corv)
Class Notes: This is the fifth course in a 6 course, 14 credit sequence in therapeutic horticulture required for completion of the Therapeutic Horticulture Option and registration with the American Horticultural Therapy Association.Note that withdrawl and refund dates are different for this 5 week course. See

Non-Traditional Course Deadlines for important information.Campus restrictions end Monday of Week 10

Syllabus: Available in Canvas to students enrolled in this course.
Session: 2nd 5 Week Module. Course runs May 3 to June 4, 2027.
Find textbooks for HORT 274 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 283 – Introduction to Urban Agriculture (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27593334003Trevino, J.Online Open505000
Registration Restrictions
Recommended: General background or previous coursework in agriculture
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 283 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 307 – Organic System Predicaments (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27593344003Lloyd, D.Online Open252500
Registration Restrictions
Campus Restrictions: +C (Corv)
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 307 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 318 – Applied Ecology of Managed Ecosystems (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27514914003Lambrinos, J.Online Open252500
Registration Restrictions
Major Restrictions: +145 (Horticulture)
Campus Restrictions: -C (Corv)
Class Notes: Distance students will have alternate learning activities in lieu of the field trip.Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 318 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 330 – +Pests, Plagues and Politics (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27515324003Miller, B.Online Open10010000
Registration Restrictions
Class Limitations: -1, -2 (Freshman, Sophomore)
Campus Restrictions: -C (Corv)
Class Notes: If course is full, please check ENT 300 for openings.Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 330 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 331 – +Pollinators in Peril (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27518164004Hooven, L.Online Open40401010
Registration Restrictions
Class Limitations: -1, -2 (Freshman, Sophomore)
Campus Restrictions: -C (Corv)
Class Notes: Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 331 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 349 – Diagnosing Plant Problems (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27580894003Edmunds, B.Online Open353500
Registration Restrictions
Recommended: Background in basic biology, plant pathology and/or entomology from a university or practical setting
Campus Restrictions: -C (Corv)
Class Notes: Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 349 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 350 – Urban Forestry (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27584834013Killian, J.Online Open252500
Registration Restrictions
Recommended: Foundational forestry and horticulture courses
Campus Restrictions: -C (Corv)
Class Notes: Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 350 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 403 – Thesis (1-16)

This course is repeatable for a maximum of 16 credits.

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27516594001-16Gearhart, A.Online Open101000
Registration Restrictions
Major Restrictions: +145 (Horticulture)
Campus Restrictions: -C (Corv)
Class Notes: Submission of statement of intent and meetingwith Horticulture Advisor required.Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 403 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 410 – Internship (1-12)

This course is repeatable for a maximum of 12 credits.

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27515114001-12Gearhart, A.Online Open303000
Registration Restrictions
Major Restrictions: +145 (Horticulture)
Campus Restrictions: -C (Corv)
Class Notes: Submission of statement of intent and meetingwith Horticulture Advisor required.Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 410 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 414 – Precision Agriculture (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27553594004Verhoeven, E.Online Open303000
Registration Restrictions
Campus Restrictions: -C (Corv)
Class Notes: Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 414 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 447 – Arboriculture (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27514904004Low, S.Online Open151533
Registration Restrictions
Recommended: (FES 241 or HORT 226 or HORT 228) and (FOR 111 or HORT 112)
Campus Restrictions: -C (Corv)
Class Notes: Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 447 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 480 – Case Studies in Cropping Systems Management (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27545524004Duval, A.Online Open252500
Registration Restrictions
Recommended: CROP 300/HORT 300 or HORT 301; prior knowledge of plant physiology, soils, entomology, weed science, plant pathology, and plant nutrition
Campus Restrictions: -C (Corv)
Class Notes: Distance students have alternate activities in lieu of field trip.Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 480 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 547 – Arboriculture (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27517024004Low, S.Online Open6600
Registration Restrictions
Recommended: (FES 241 or HORT 226 or HORT 228) and (FOR 111 or HORT 112)
Level Limitations: +02 (Graduate)
Class Notes: Does not meet Graduate School's stand-alone requirement.Campus restrictions end Monday of Week 10
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 547 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 580 – Case Studies in Cropping Systems Management (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp27545534004Duval, A.Online Open101000
Class Notes: Does not meet Graduate School's stand-alone requirement.
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 580 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.



Legend
= Signifies the course as a Baccalaureate Core Course.
= Signifies that fees may apply to the course.
+ = Include restriction.
- = Exclude restriction.
* = Prereq may be taken prior to or simultaneously with this course.

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