Ecampus Schedule of Classes - Spring 2026

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 212 – Introduction to Organic Agricultural Systems (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26557394004Lloyd, D.Online Open501000
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 217 – +Science for Self and Society (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26591674003StaffOnline Cancelled0000
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 217 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.


HORT 228 – Landscape Plant Materials II: Spring Flowering Trees and Shrubs (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26530314004Blanchard, D.Online Open75500
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 228 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
Sp26591684002Bierman, M.Online Open301600
Registration Restrictions
Enforced Prereqs: HORT 272 [D-]
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.  [ Textbooks]

Syllabus: Available in Canvas to students enrolled in this course.
Session: 1st 5 Week Module. Course runs March 30 to May 1, 2026.
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
Sp26591694002Bierman, M.Online Open301800
Registration Restrictions
Enforced Prereqs: HORT 273* [D-]
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.  [ Textbooks]

Syllabus: Available in Canvas to students enrolled in this course.
Session: 2nd 5 Week Module. Course runs May 4 to June 5, 2026.
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 318 – Applied Ecology of Managed Ecosystems (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26531524003Lambrinos, J.Online Closed25-100
Registration Restrictions
Major Restrictions: +145 (Horticulture)
Class Notes: Distance students will have alternate learning activities in lieu of the field trip.  [ Textbooks]
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
Sp26532044003Miller, B.Online Open1002700
Registration Restrictions
Class Limitations: -1, -2 (Freshman, Sophomore)
Class Notes: If course is full, please check ENT 300 for openings.  [ Textbooks]
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
Sp26535254004Hooven, L.Online Waitlisted4001010
Registration Restrictions
Class Limitations: -1, -2 (Freshman, Sophomore)
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
Sp26614094003Edmunds, B.Online Closed35-100
Registration Restrictions
Recommended: Background in basic biology, plant pathology and/or entomology from a university or practical setting
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
Sp26603834003StaffOnline Cancelled0000
Registration Restrictions
Recommended: Foundational forestry and horticulture courses
Class Notes: Campus restrictions end Monday of Week 10  [ Textbooks]
Syllabus: Available in Canvas to students enrolled in this course.
Sp26618374013Killian, J.Online Open25700
Registration Restrictions
Recommended: Foundational forestry and horticulture courses
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 380 – Sustainable Landscape Design (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26593184003Kowalewski, A.Online Closed25000
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 380 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
Sp26533544001-16Gearhart, A.Online Open10800
Registration Restrictions
Major Restrictions: +145 (Horticulture)
Class Notes: Submission of statement of intent and meetingwith Horticulture Advisor required.  [ Textbooks]
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
Sp26531774001-12Gearhart, A.Online Open301400
Registration Restrictions
Major Restrictions: +145 (Horticulture)
Class Notes: Submission of statement of intent and meetingwith Horticulture Advisor required.  [ Textbooks]
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
Sp26576494004Verhoeven, E.Online Open35233
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 418 – Golf Course Maintenance (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26553064004Schmid, C.Online Open301900
Registration Restrictions
Recommended: HORT 314
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 418 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
Sp26531514004Low, S.Online Waitlisted15033
Registration Restrictions
Recommended: (FES 241 or HORT 226 or HORT 228) and (FOR 111 or HORT 112)
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 456 – Physiology and Production of Berry Crops (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26566304004Lukas, S.Online Open251455
Registration Restrictions
Enforced Prereqs: HORT 301 [D-]
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 456 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
Sp26566654004Duval, A.Online Closed25000
Registration Restrictions
Recommended: CROP 300/HORT 300 or HORT 301; prior knowledge of plant physiology, soils, entomology, weed science, plant pathology, and plant nutrition
Class Notes: Distance students have alternate activities in lieu of field trip.  [ Textbooks]
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 485 – Advanced Permaculture Design Tools for Climate Resilience (3)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26544484003StaffOnline Cancelled0000
Registration Restrictions
Enforced Prereqs: HORT 285 [B]
Class Notes: Permaculture Institute of North America certifies coursecompletion. Meets international standards.Campus restrictions end Monday of Week 10  [ Textbooks]
Syllabus: Available in Canvas to students enrolled in this course.
Sp26617374013Orion, T.Online Open302655
Registration Restrictions
Enforced Prereqs: HORT 285 [B]
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 485 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
Sp26534044004Low, S.Online Open6500
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  [ Textbooks]
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 556 – Physiology and Production of Berry Crops (4)

TermCRNSecCrP/NInstructorTypeStatusCapAvailWL CapWL Avail
Sp26566484004Lukas, S.Online Open5100
Class Notes: Does not meet Graduate School's stand-alone requirement.  [ Textbooks]
Syllabus: Available in Canvas to students enrolled in this course.
Find textbooks for HORT 556 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
Sp26566664004Duval, A.Online Open10900
Class Notes: Does not meet Graduate School's stand-alone requirement.  [ Textbooks]
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.