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Natural history

Spring Foraging-Date changed

Discover the edible plants growing wild all around you at The Morton Arboretum. Saturday, May 3, 9:30 a.m.-12:00 p.m.

Spring Woodland Wildflowers

Wander through the ever-changing array of blooms in our woodlands to learn how to identify wildflowers such as trillium, mayapple, and dog-tooth violet and hear about their folklore at The Morton Arboretum. Saturdays, April 26 or May 3, 9:30 a.m.-12:00 p.m.

Monitoring and Managing Insect Pests

Learn the life cycles, signs and symptoms, and methods of control for the most common insects in our landscapes at The Morton Arboretum. Dates and times vary starting May 5. One section.

Birding by Ear

Learn how to identify birds that you can hear, but not see at The Morton Arboretum. 3 Tuesdays, May 6-20, 7:30-11:30 a.m.

Bird Behavior

Explore the significance of songs and plumage in determining the territory, mate selection, and the different sexual strategies employed by birds at The Morton Arboretum. Dates and times vary starting May 7. One section

Field Ecology: Spring

Explore freshwater ecosystems and consider the various living, climatic, and geological factors that create and maintain our water systems at The Morton Arboretum. Dates and times vary starting April 29. Two sections.

Spring Bird Walks

Celebrate spring by searching The Morton Arboretum grounds for nature’s brightly colored pageant of spring birds. Dates vary starting April 19. Two sections.

Advanced Invasive Plant Identification

Learn to identify invasive plants when they are first emerging in spring at The Morton Arboretum. Sunday, May 18, 9:00 a.m.-1:00 p.m.

Bird Conservation

Investigate how bird populations are naturally affected by habitat, competition, and predation; then apply these principles to understanding conservation threats at The Morton Arboretum. 3 Wednesdays, May 21, June 4 and 18, 6:30-8:30 p.m. and 3 Saturdays, May 24, June 7 and 21, 8:00-11:00 a.m.

The Grounds at Thornhill Education Center

Take a habitat history walk to view the historic Hawthorn collection, discover the meaning of the stained glass tree medallions in gentleman’s library (Founder’s Room), and learn more about the Morton family mansion and the transformation to Thornhill Education Center. Thursday, May 22, 9:30 a.m.-12:30 p.m.