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Ecampus Schedule of Classes - Fall 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 112 – Introduction to Horticultural Systems, Practices and Careers (2)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 11554 | 400 | 2 | Gearhart, A. | Online | Open | 45 | 45 | 10 | 10 | |
| Registration Restrictions Major Restrictions: +145, +147 (Horticulture, Turf and Landscape Management) Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: Distance students will have alternatelearning 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 112 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
HORT 120 – Introduction to Hemp (3)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 18080 | 400 | 3 | Jeliazkov, V. | Online | Open | 47 | 47 | 10 | 10 | |
| 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 120 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)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 13365 | 400 | 4 | Lloyd, D. | Online | Open | 50 | 50 | 5 | 5 | |
| Registration Restrictions Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: Campus restrictions for this section will lift after Week 10.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 217 – +Science for Self and Society (3)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 12741 | 400 | 3 | Staff | Online | Open | 70 | 70 | 0 | 0 | |
| Registration Restrictions Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: No textbook required.Campus restrictions end Monday of Week 10 | |||||||||||
| 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 226 – Landscape Plant Materials I: Deciduous Hardwoods and Conifers (4)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 11553 | 400 | 4 | Blanchard, D. | Online | Open | 75 | 75 | 10 | 10 | |
| Registration Restrictions Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: TextbooksCampus restrictions end Monday of Week 10 | |||||||||||
| Syllabus: Available in Canvas to students enrolled in this course. | |||||||||||
Find textbooks for HORT 226 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
HORT 270 – Introduction to Therapeutic Horticulture (3)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 16059 | 400 | 3 | Bierman, M. | Online | Open | 35 | 35 | 0 | 0 | |
| Registration Restrictions Recommended: PSY 201Z and PSY 202Z Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: This is the first course in a 6 course, 14 credit sequencein therapeutic horticulture required for completion of the Therapeutic Horticulture Option and registration with the American Horticultural Therapy Association.Campus restrictions end Monday of Week 10 | |||||||||||
| Syllabus: Available in Canvas to students enrolled in this course. | |||||||||||
| F26 | 18195 | 401 | 3 | Bierman, M. | Online | Open | 10 | 10 | 0 | 0 | |
| Registration Restrictions Recommended: PSY 201Z and PSY 202Z Campus Restrictions: +B, +DSC (Casc, Dist. Degree Corvallis Student) Level Limitations: +04, +05, +06 (Non-Degree / Credential, Professional, INTO OSU GE/AE/Pathways) | |||||||||||
| Class Notes: Campus restrictions extend beyond Monday of Week 10. | |||||||||||
| Syllabus: Available in Canvas to students enrolled in this course. | |||||||||||
Find textbooks for HORT 270 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
HORT 301 – Growth and Development of Horticultural Crops (3)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 18104 | 401 | 3 | Contreras, R. | Online | Open | 60 | 60 | 10 | 10 | |
| Registration Restrictions Major Restrictions: +120, +145 (Crop and Soil Science, Horticulture) Recommended: General biology or botany sequence. Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: This course requires online proctored testing, which mayinclude testing fees and the use of security measures,such as a scan of your testing environment and the requiredinstallation of a desktop application. Please carefullyreview online proctored test information at: | |||||||||||
| Syllabus: Available in Canvas to students enrolled in this course. | |||||||||||
Find textbooks for HORT 301 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
HORT 308 – Weed Management in Organic Cropping Systems (3)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 13637 | 400 | 3 | Lloyd, D. | Online | Open | 45 | 45 | 5 | 5 | |
| 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 308 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
HORT 314 – Principles of Turfgrass Maintenance (4)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 18849 | 401 | 4 | Schmid, C. | Online | Open | 30 | 30 | 0 | 0 | |
| Registration Restrictions Recommended: CSS 205 or CSS 305 or SOIL 205 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 314 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
HORT 316 – Plant Nutrition (4)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 11552 | 400 | 4 | Kowalewski, A. | Online | Open | 100 | 100 | 10 | 10 | |
| Registration Restrictions Enforced Prereqs: CSS 205 [D-] or CSS 305 [D-] or SOIL 205 [D-] or SOIL 205H [D-] 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 316 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)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 11655 | 400 | 3 | Lambrinos, J. | Online | Open | 25 | 25 | 0 | 0 | |
| Registration Restrictions Campus Restrictions: +B, +DSC (Casc, Dist. Degree Corvallis Student) | |||||||||||
| Class Notes: Campus restrictions extend beyond Monday of Week 10.Distance students will have alternate learning activitiesin lieu of outdoor activities. | |||||||||||
| 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)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 18850 | 401 | 3 | Miller, B. | Online | Open | 100 | 100 | 0 | 0 | |
| Registration Restrictions Class Limitations: -1, -2 (Freshman, Sophomore) Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: Campus restrictions end Monday of Week 10If course is full, check ENT 300, 400 | |||||||||||
| 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)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 12077 | 400 | 4 | Hooven, L. | Online | Open | 35 | 35 | 0 | 0 | |
| Registration Restrictions Class Limitations: -1, -2 (Freshman, Sophomore) Campus Restrictions: -C (Corv) | |||||||||||
| Class Notes: If course is full, please check ENT 331 for openings.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.
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 11419 | 400 | 3 | Killian, J. | Online | Inactive-Not Offered | 25 | 25 | 5 | 5 | |
| 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.
This course is repeatable for a maximum of 16 credits.
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 16060 | 400 | 1-16 | Gearhart, A. | Online | Open | 10 | 10 | 0 | 0 | |
| Registration Restrictions Major Restrictions: +145 (Horticulture) Campus Restrictions: +B, +DSC (Casc, Dist. Degree Corvallis Student) | |||||||||||
| Class Notes: Campus restrictions extend beyond Monday of Week 10.Instructor consent required. | |||||||||||
| Syllabus: Available in Canvas to students enrolled in this course. | |||||||||||
Find textbooks for HORT 401 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
This course is repeatable for a maximum of 16 credits.
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 11934 | 400 | 1-16 | Gearhart, A. | Online | Open | 10 | 10 | 0 | 0 | |
| Registration Restrictions Major Restrictions: +145 (Horticulture) Campus Restrictions: +B, +DSC (Casc, Dist. Degree Corvallis Student) | |||||||||||
| Class Notes: Campus restrictions extend beyond Monday of Week 10.Submission of statement of intent andmeeting with Horticulture Advisor required | |||||||||||
| 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.
This course is repeatable for a maximum of 12 credits.
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 11807 | 400 | 1-12 | Gearhart, A. | Online | Open | 30 | 30 | 0 | 0 | |
| Registration Restrictions Major Restrictions: +145 (Horticulture) Campus Restrictions: +B, +DSC (Casc, Dist. Degree Corvallis Student) | |||||||||||
| Class Notes: Campus restrictions extend beyond Monday of Week 10.Submission of statement of intent and meeting with Horticulture Advisor required | |||||||||||
| 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.
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 18178 | 400 | 4 | Low, S. | Online | Open | 15 | 15 | 0 | 0 | |
| 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 455 – Urban Forest Planning, Policy and Management (4)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 12023 | 400 | 4 | Ries, P. | Online | Inactive-Not Offered | 5 | 5 | 0 | 0 | |
| Registration Restrictions Enforced Prereqs: FES 350 [C-] or HORT 350 [C-] 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 455 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 18272 | 400 | 4 | Low, S. | Online | Open | 6 | 6 | 0 | 0 | |
| Registration Restrictions Recommended: (FES 241 or HORT 226 or HORT 228) and (FOR 111 or HORT 112) Campus Restrictions: -C (Corv) | |||||||||||
| 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 555 – Urban Forest Planning, Policy and Management (4)
| Term | CRN | Sec | Cr | P/N | Instructor | Type | Status | Cap | Avail | WL Cap | WL Avail |
|---|---|---|---|---|---|---|---|---|---|---|---|
| F26 | 12024 | 400 | 4 | Ries, P. | Online | Inactive-Not Offered | 5 | 5 | 0 | 0 | |
| Registration Restrictions Recommended: FES 350 or HORT 350 Campus Restrictions: -C (Corv) 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 555 at the OSU Beaver Store (current term only). For questions related to course materials, contact the OSU Beaver Store.
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