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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.

Current class listings for adult programs

Take a class. Attend a lunch and learn or workshop. Now’s the time. Invest in yourself, express creativity, and deepen your understanding of nature. Adults of all ages have a myriad of ways to keep learning from the experts at the Arboretum in classes that include botanical art and illustration, gardening and horticulture, natural history, and nature photography. View current adult programs


Conservation and Restoration

The Arboretum currently offers certification through our Woodland Stewardship Program and the Openlands TreeKeepers® programs.  If you are interested in developing your skills in natural resources conservation and management, or gaining the skills to plant and protect trees in your community, you can view more information about these programs and check out current offerings here:


College credit courses

Enrolled in college? Each semester, the Arboretum offers upper division courses in plant diversity, soil science, plant-insect interactions, and more. Our courses are available for college credit at 12 Chicago-area colleges and universities through our partnership with the Associated Colleges of the Chicago Area (A.C.C.A.). Graduate credit is also available for selected courses. View current college credit courses  

Lunch and learn 

Enjoy a delightful buffet lunch and gain knowledge from lively talks and presentations provided by The Morton Arboretum staff and instructors. This engaging series covers a broad range of subjects including current research, interesting tree and plant lore, issues in conservation, and other nature topics. View current Lunch and learn offerings

Professional development

Further your knowledge of tree science and horticulture practice at an in-depth conference led by local and national professionals. Topics have included urban tree health, sustainable landscaping, woodland and prairie management, and the latest research in root biology.  Learn more   

Field Trips

Whether you have 60 minutes or all day, The Morton Arboretum is a special destination for your group outing. Tour package are available for groups of 15 or more. LEARN MORE 

College or professional groups interested in a guided or self-guided experience at the Arboretum should contact the Education Registrar at or at 630-719-2468 or click here for more information on visiting the Arboretum. 


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.