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Master Gardener Series: Plant Pathology

We are offering the Vegetable Gardening course free through May 27th.  The Intro to Oregon Master Gardener course is always free for you to take. The rest of the courses are $45/each and you can pick and choose one or all courses in the Series.  

This series of short courses is excerpted from OSU’s Master Gardener online course, allowing you to study specific fundamentals of gardening.

Plant Pathology Course

In Plant Pathology, you will learn to identify microorganisms that cause plant disease and symptoms as well as how to diagnose and control plant disease.

By the end of the course, you will be able to:

  • Name the microorganisms that cause common plant diseases
  • Distinguish between symptoms caused by living and non-living organisms
  • Make an accurate plant disease diagnosis when sufficient information is obtained
  • Implement basic control measures and management practices for plant diseases, including how to prevent or minimize the chances of plant disease

Master Gardener Short Course Series

OSU’s Master Gardener Short Course Series includes the following 12 on-demand gardening courses:

1) Free Intro to Oregon Master Gardener Program

2) Basic Botany Online Course

3) Soils and Compost Online Course

4) FREE Vegetable Gardening Online Course

5) Introduction to Entomology Online Course

6) Plant Pathology Online Course

7) Pesticide Safety Online Course

8) Herbaceous Ornamental Plants Online Course

9) Sustainable Landscape Design Online Course

10) Sustainable Landscape Management Online Course

11) Integrated Pest Management Online Course

12) Woody Landscape Plants Online Course

Please note: If you're interested in receiving a Certificate of Home Horticulture or becoming an OSU Master Gardener, please visit the Master Gardener Online page. The on-demand short courses are designed to boost your expertise, however, they will not lead to the full Certificate of Home Horticulture. Also please note, you will have access to the on-demand course materials for one year after your registration date.

Home Horticulture Summer Intensive

The upcoming Home Horticulture Summer program is a unique, flexible program that’s led by experienced Master Gardeners who will provide you with personalized guidance and support.

  • In this accelerated, seven-week program that starts May 29, you will learn horticulture essentials, from growing robust ornamental and vegetable/fruit plants to soils, insects and all of the elements that influence the growth and vigor of plants in your home garden.

  • You will also focus on sustainable landscape design and management and the nontoxic prevention and diagnosis of plant problems.

  • At the conclusion of the course, you will receive an official Oregon State University Certificate of Home Horticulture. This credential recognizes the knowledge you will gain to grow your most healthy, robust and sustainable garden ever. 

Space is limited, and this accelerated program is only offered once each year

Please secure your seat for the May 29 start date before it reaches max capacity.

On Demand. Access Anytime
4-6 hours
price (2)


Signe Danler
Master Gardener Online

Signe Danler is a veteran Master Gardener and landscape designer with a Masters of Ag degree in Horticulture. In the Master Gardener Online program, she uses her experience and training in gardening, urban forestry and ecological landscaping to communicate about and promote sustainable gardening and landscaping practices.

Gail Langellotto

Gail Langellotto works with the OSU Master Gardener program, state and local agencies, nonprofits and other non-governmental organizations. She helps to develop a better research-based understanding of how to design and sustainably manage gardens and parks to maximize ecosystem services. Her outreach efforts focus on communicating research-backed management practices to home gardeners and commercial landscapers.

Past Students' Work

Take a look at some recent projects our students have created.