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Pruning 101 and Advanced Pruning Techniques (Two-Day Workshop)

The Gabis Arboretum at Purdue Northwest is excited to host a two-day hands-on pruning workshop. George Brenn, owner of Four Seasons Landscaping in Valparaiso and Chairman of the Indiana Accredited Horticulturist Program, will guide participants through classroom instruction and field demonstrations.

Birding Night Hike with Professor Laurie Eberhardt (SOLD OUT)

The April 5th date has sold out. New date added of April 12th. Join us for a nighttime birding hike with the Valparaiso University Biology Professor Dr. Laurie Eberhardt, a Behavioral Ecologist who has studied plant-bird interactions. We will listen as birds sing their evening songs, tuck in to roost and finally end with the […]

Spring Ephemeral Wildflower Hike

Come join the naturalist and ID all the spring wildflowers we can find. We will be looking for trillium, bloodroot, twin leaf, false rue anemone, wild ginger and many others. Program is free. Admission fees must be paid at gate for non-members. REGISTER

Arbor Day Celebration

Join the Gabis Arboretum for our 10th annual ceremonial tree planting, nature crafts, and a hike to learn about the arboretum’s tree collection.


Join Purdue Northwest Astronomers for an evening of stargazing. We expect to see the Moon, Venus, and Mars, along with a few other objects!

Spring Ephemeral Photo Walk

Join photographer and docent, Deb Armstrong, on a guided walk to see spring ephemerals and learn how to take stunning photos on your smart phone or camera.