Join horticulture experts from University of Illinois Extension and Iowa State University Extension and Outreach for their annual online gardening symposium. Whether you’re growing indoors, outdoors or just getting started, there’s something for everyone.

Register by Oct. 15 to reserve your spot at go.illinois.edu/GardeningintheAir.

Choose from three sessions, each offering three expert-led topics. Topics and times are below. While the event is free, donations are appreciated to support future programming.

Session Times and Topics

9-10 a.m. choose one

Everlasting Flowers – Drying and Pressing Techniques
Christina Lueking, Horticulture Educator, University of Illinois Extension

Learn which backyard garden varieties dry best and how to harvest and dry them effectively. Explore flower pressing techniques to create beautiful, value-added gifts for friends and family.

Good Bugs We Love to Hate

Ken Johnson, Horticulture Educator, University of Illinois Extension

Not all beneficial insects get the love they deserve. Discover the vital roles played by often-misunderstood insects like wasps, flies, and even cockroaches in maintaining a healthy landscape.

Value of Turf and Sports Turf Maintenance

Adam Thoms, Associate Professor in Horticulture and Extension Turfgrass Specialist, Iowa State University

Explore what it takes to maintain safe, attractive athletic fields. Learn the differences between natural and synthetic turf, why sports turf requires unique care, and how field managers address hidden issues. Includes comparisons to home lawn care and tips for turf safety.

10:15-11:15 a.m. choose one

Grasses and Sedges in the Home Landscape

Erin Garrett, Natural Resources, Environment, and Energy Extension Educator, University of Illinois Extension

Native grasses and sedges offer low-maintenance, year-round interest. Learn which varieties work best in formal beds or naturalized settings and discover alternatives to commonly planted non-native or invasive species.

Bulbs and Plant Storage Structures

Sarah Rummery, Associate Director of Horticulture and Operations, Reiman Gardens, Iowa State University

Uncover the science behind bulbs, corms, tubers, and rhizomes. This session covers how these underground structures function, differ, and support ornamental and edible gardening—plus seasonal care tips and plant selection guidance.

Gardening in a Changing World

David McKinney, Horticulturist, Ecologist, Entomologist, Plant Physiologist, and Curator, Iowa Arboretum and Gardens

As Midwest weather patterns shift, gardening strategies must adapt. Learn how to design for water management, build habitat, and choose resilient plants. Gain tools and insights to prepare your garden for an unpredictable future.

11:30 a.m.-12:30 p.m. choose one

Growing Under Lights

Aaron Steil, Consumer Horticulture Extension Specialist, Iowa State University

Indoor gardening often struggles with light limitations. Learn how to choose and use supplemental lighting effectively and understand how plants respond to different light sources for optimal growth.

Pet-Friendly Landscaping

Jamie Viebach, Horticulture Educator, University of Illinois Extension

Create a safe, stylish outdoor space for pets and people. Discover non-toxic plants, safer hardscaping, and enrichment ideas to reduce maintenance and enhance harmony between your pets and your landscape.

Midwest Apple History and Orchard Management

Olivia Meyer, Horticulture Graduate Student, Integrated Fruit Health Research Group, Iowa State University

Explore the history and future of apple growing in the Midwest. Learn about historic cultivars, modern rootstocks, pruning, and weed management. Gain practical insights for successful orchard care and a deeper appreciation of regional apple heritage.