Loading Events

Plant Diagnostics: The Step-by-Step Approach to Identifying Plant Problems

February 1 April 30

Learn the process for identifying plant problems in your own trees, landscape and garden and be prepared for the next growing season! This course explains the basics of the plant diagnostic process in an easy-to-understand way.

At the end of the course, you’ll be able to:

  • Explain the steps of the diagnostic process.
  • Identify appropriate unbiased, research-based resources to use in the diagnostic process.

After you’ve finished this course, we hope you feel empowered to attempt diagnostics with your own plants using the framework you’ll learn in this course, accessing the resources we’ll share with you, and using UW-Madison Division of Extension diagnostic services and labs for extra help when you need it.  

Course Snapshot

What: An online course where you move at your own pace through 13 modules with online videos, reading, and interactive exercises. Bonus: two live webinars, “Putting the Process into Practice: Real World Diagnostics,” led by Extension educators who practice plant diagnostics and “Meet the Labs!” presented by UW-Madison diagnostic lab directors. The webinars will be recorded.

How: This is an online course that uses Canvas (online classroom) and Zoom.

When: February 1-April 30, 2023. This is the moderated course timeframe, when the course will be monitored actively by staff and course questions will be answered. However, as a participant, you will have access to content through the December 31, 2023. The course is designed with flexibility for the busy adult in mind. Go through the course at your own pace when you have time!

Who: This online course is open to the general public, Wisconsin Extension Master Gardeners, and commercial professionals. This course counts for 7.5 hours of continuing education for the Wisconsin Extension Master Gardener Program. ISA Certified Arborists: If you complete this course by April 30, 2023, you will be awarded 7. 5 CEUs.


  • 2023 course cost, general public and commercial professionals: $99
  • 2023 course cost, Wisconsin Extension Master Gardeners: $49 (Must be current participants in the Wisconsin Extension Master Gardener Program or enrolled in Onboarding 2023.)

Cancellation policy:

Course cancellation prior to the course start date on February 1, 2023  receives a refund less $20 for processing.  No refunds or returns after the course start date (February 1, 2023), including for late registrations (post-February 1, 2023).

$99 includes course + two live webinars (Discounted Rate of $49 for Master Gardeners)


February 1
April 30
Event Category: