Adult Opportunities

Accredited Collections at The Morton Arboretum (on demand)

Six of The Morton Arboretum’s tree collections—oaks, maples, elms, magnolias, crabapples, and lindens—are accredited with the Plant Collections Network.

Content Detail

Six of The Morton Arboretum’s tree collections–oaks, maples, elms, magnolias, crabapples, and lindens–are accredited with the Plant Collections Network. But what makes these trees so special? And what does it mean to be “accredited,” anyway? This self-paced, online course introduces you to these six collections, why they’re important, and where to find them on our grounds.

How Self-paced Online Classes Work

  • To access the class, you will log into TreeLearning, the Arboretum’s online learning portal. Instructions for accessing TreeLearning will be sent to registrants by email from upon registration. You have access to the course for 60 days and can complete the materials anytime.
  • Complete the self-paced e-learning modules with reading material, short videos, interactive activities, and quizzes to check your understanding. 
  • The course will take approximately 30 minutes. The online materials do not need to be completed in one sitting.
  • There will not be an instructor online with you.

Course number: N102-OD

What to Know

This class is held entirely online and is available within one hour of registration.

The online materials will take approximately 90 minutes to complete. Materials can be completed at your own pace.

Participants will have access to online materials for 60 days after the course start date.


Participants must have access to the internet and know how to use a web browser (ex: Chrome, Safari, Internet Explorer)

Participants must know how to send and receive email.

A unique email address for each participant is required at registration.


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