Armitage's Herbaceous Perennials for the Sun

The perennials "crash course" for the gardener.

Perennials are easy to grow, easy to propagate, and offer gardeners a fascinating variety of colors, forms and textures. 


  • Format: Online course 

    Hours: 24 hours / 2.4 CEUs

    When: Start anytime  

    Cost: $169

Armitage's Herbaceous Perennials for the Sun is an online certificate program authored by the Dr. Allan Armitage, one of the world's leading experts on and researchers of perennials. In the course, you will read and hear Dr. Armitage’s insights on how to plant, propagate, and care for 20 of his favorite perennials. The course is online, so you can progress at your own pace, on your own schedule.

You’ll be using Dr. Armitage’s renowned textbook, Herbaceous Perennial Plants: A Treatise on their Identification, Culture, and Garden Attributes.  Other resources include online access to the professor’s audio clips, interactive exercises, and end-of-lesson quizzes that provide instant feedback.

What past students say about this course:

  • A great course!  Very informative and entertaining. I highly recommend it. – J. Weed
  • If in-class stuff is not for you, then take this course. Online is AWESOME!  – Brandon Siler
  • A great course for those master gardeners and home gardeners who want a deeper knowledge of perennials. The knowledge, appreciation, and stories I gained from this course made it well worth the time I invested in it. – Matt Torrence

Who Should Attend?

  • Home garden enthusiasts
  • Master Gardeners
  • Commercial landscapers
  • Nursery and garden center employees 

Course Information

Course Number: 


Course Date Info: 
Course Format: 
Course Fee(s): 
  • $169 – regular fee (US Funds)
  • $129 – Louisiana Master Gardener Program (Affiliation status to LMG will be verified)
  • $50 – One-Month Extension (Only one extension is granted per participant.)
  • Group Discounts are available for organizations registering 5 or more participants. For additional information about group enrollments, contact Pam Bracken at +1-706-542-3537.

Prices are listed per person. Textbooks are not included in course fee, see below for order information.

Cancellation/Refund Policy
The Georgia Center will gladly issue a full refund if you cancel before we send you course access information. You may receive a refund less a $50 administrative fee if you cancel after we send your access information, provided that you have not accessed the course at all. Once you access the course, you are no longer eligible for a refund. During the first 30 days of your course, if you have not completed any course work, you may opt for a one-time transfer of your enrollment to another student for a fee of $50; the new student (i.e., substitute) would have up to three months from the transfer date to complete the course. To cancel your enrollment or to submit a transfer request, please send an email to student [at] georgiacenter [dot] uga [dot] edu

Continuing Education Information: 

Successful graduates will earn:

  • 2.4 Continuing Education Units (CEUs) from the University of Georgia. Definition of CEU.
  • Certificate of Program Completion from the University of Georgia 

This is a self-paced, self-study course. The course is authored by Dr. Allan Armitage. He is well known and highly acclaimed as a writer, speaker and researcher. He is recognized as a leader in introducing outstanding plant varieties to the industry. At the University of Georgia, he runs the research gardens where new plant material from most of the flower breeders in the world is evaluated. The Trial Gardens at UGA are among the finest trial gardens in the nation. They are open to the public throughout the year.

For more information on Dr. Armitage view About the Course Author.

There are no prerequisites.

  • Required Textbook: Armitage, Allan M. Herbaceous Perennial Plants: A Treatise on their Identification, Culture, and Garden Attributes. 3rd Edition, Stipes Publishing. 2008. (ISBN 9781588747754). The required textbook must be ordered separately from your course enrollment.
  • Suggested Textbook: Armitage, Allan M. Armitage's Garden Perennials: A Color Encyclopedia. Timber Press. 2000. (ISBN 0881924350). This textbook is not required but will be an excellent resource for your personal library.

Suggested Textbook Vendor: You may order these textbooks from any textbook vendor/supplier, online at this website, or at from MBSDirect at 1+1-573-446-5299 or +1-573 446-5254 or 1-800-325-3252 (U.S. only), or online.

If ordering online from our suggested vendor, MBS Direct, select the following buttons/links from the MBS Direct Web site:

  • Order My Books
  • HERBACAEOUS  then click on button labeled Submit Course ID Selection

Textbooks editions are subject to change when new editions are released by the publisher.  

Textbooks will be shipped independently of your online course access details, so you should allow extra time for its delivery. 

Technical Requirements:
A modern browser adhering to web standards is recommended for optimal viewing. If possible, please use a robust browser such as Chrome, Firefox, or Safari. Throughout the online course you will encounter many images, maps, links to external websites, animated exercises, and audio/video clips. To take full advantage of all these features, you will need a Windows- or Macintosh-based computer with a browser and a Flash player. A fast Internet connection is highly recommended. View Technical Requirements for more details.

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