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Adult programs


Students smile as instructor Cindy Crosby explains the story behind garlic mustard.

Take a class from a Morton Arboretum expert!  Invest in yourself, express creativity, and deepen your understanding of nature. Classes are open to members and the public. Click on the program areas to find a class that suits your interests.


Current Class Listings for Adult Programs

Whether exploring a new found hobby or digging deeper into plants and nature, adults of all ages have a myriad of ways to keep learning from the experts at the Arboretum. Class topics include botanical art and illustration, horticulture and gardening, natural history, and nature photography. VIEW CURRENT ADULT PROGRAMS or select an interest area below.


Conservation and Restoration

Gardening & Horticulture

Green Living

Lunch & Learn (Available November 2016)

Nature Art and Photography

Openlands TreeKeepers

Professional Development

Trees and Ecology


Woodland Stewardship Program


The Arboretum also offers courses and field trip opportunities for college students and hosts professional meetings. Click on the links below to learn more.

College credit courses
Self-guided college field trips
Conferences and Symposia

Art societies gather at the Arboretum to build community and develop skills with workshops and exhibits. More information is available on their webpages (outside links):

The Nature Artists’ Guild of The Morton Arboretum
The Morton Arboretum Photographic Society


Contact Us

Have questions about learning opportunities for adults and college students that aren't answered on these pages? Contact the Registrars' Office at or at 630-719-2468.


Weather Cancellation Hotline

Please call 630-719-7979 for updates on weather related cancellations.


Education Classes and Workshops Cancellation Policy

Refund requests must be submitted to the registrar in writing and postmarked or emailed one business day prior to the class or program start date (or date of the first class if multiple sessions are included in the registration). If the registration fee is $25.00 or more, the registration fee will be refunded less a 10 percent processing charge.  If the registration fee is less than $25.00, the registration fee will be refunded in full. Refunds will be issued by check if original payment was made by cash or check; or by credit to the same credit card used to make original payment. Fees are nonrefundable and nontransferable on and after the program’s start date. The Morton Arboretum cannot refund fees requested on or after the start date of a program or for sessions missed due to student illness or other personal situations.  Students requesting refund must send written requests to Registrar, 4100 Illinois Route 53, Lisle, IL 60532, or email Students will be issued a full refund in the event that The Morton Arboretum cancels a class for any reason.