Past Events

  1. The Sestercentennial of Alexander von Humboldt

    Sep 14, 2019, 10:00am - 4:00pm

    For all nature lovers, natural philosophers, and curious minds who want to know why hundreds of thousands from around the world celebrated the centennial of Alexander von Humboldt’s birth on September 14, 1869, from Adelaide to Argentina, from San Francisco to St. Petersburg, with 8000 people pouring out into the streets in Cleveland, Ohio!

  2. The Sestercentennial of Alexander von Humboldt

    Sep 13, 2019, 6:00pm - 9:00pm

    For all nature lovers, natural philosophers, and curious minds who want to know why hundreds of thousands from around the world celebrated the centennial of Alexander von Humboldt’s birth on September 14, 1869, from Adelaide to Argentina, from San Francisco to St. Petersburg, with 8000 people pouring out into the streets in Cleveland, Ohio!

  3. Tree Walk

    Sep 11, 2019, 1:00pm - 2:00pm

    Monthly tree walks feature all things trees!  A variety of topics will be covered, including proper selection and planting, insect pests and diseases. Please dress for the weather. No reservations required.

  4. 86th Ohio Plant Diagnostic Workshop

    Sep 6, 2019, 10:00am - 4:00pm

    ODA Pesticide/Core, ISA, ONLA and Master Gardener credit eligible. Lunch and materials provided.

  5. Sustainable Landscape Workshop

    Sep 3, 2019, 10:00am - 4:00pm

    For those who install, maintain, want to plant, tinker with and/or spend more time enjoying, and less time maintaining landscapes. Lunch and materials provided.

  6. Tree Walk

    Aug 14, 2019, 1:00pm - 2:00pm

    Monthly tree walks feature all things trees!  A variety of topics will be covered, including proper selection and planting, insect pests and diseases. Please dress for the weather. No reservations required.

  7. Guided Bird Walk

    Aug 10, 2019, 9:00am - 11:00am

    Members of the Greater Mohican Audubon Society guided birders of all skill levels. Spot birds, learn their calls and discover their habitats in the arboretum. Parking and admission are free. Please dress for the weather.

  8. Whiz Bang Science Show

    Aug 8, 2019, 7:00pm - 8:30pm

    Dr. Dave Lohnes, OARDC's popular Whiz-Bang Scientist, teaches children about science and the natural world in an enriching outdoor environment. The 2019 season features: Under Pressure, Moon Landing and Egg-streme Science.  Shows are fun for the entire family! Parking and admission are free. The show is cancelled in the event of severe weather.

  9. Intro to Macro Photography

    Jul 21, 2019, 10:00am - 3:00pm

    Join OSU Extension Ed Tech Specialist & macro photographer, Danae Wolfe, at Secrest Arboretum to learn the basics of shooting close-up and macro photos of insects and flowers. Advance registration required. Lunch is included in registration. Day one: Intro to Macro Photography This introductory course will include the basics of photography. We'll cover the exposure triangle, creative (and inexpensive) macro techniques, and using your camera to capture great images. Day two: Field Session & Critiques

  10. Intro to Macro Photography

    Jul 20, 2019, 10:00am - 3:00pm

    Join OSU Extension Ed Tech Specialist & macro photographer, Danae Wolfe, at Secrest Arboretum to learn the basics of shooting close-up and macro photos of insects and flowers. Advance registration required. Lunch is included in registration. Day one: Intro to Macro Photography This introductory course will include the basics of photography. We'll cover the exposure triangle, creative (and inexpensive) macro techniques, and using your camera to capture great images. Day two: Field Session & Critiques

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