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Insects to Know: Spotted Lanternfly and Periodical Cicadas

Four Seasons Gardening
four seasons gardening spotted lanternflies on a log
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In 2023, the first spotted lanternfly in Illinois was identified in Cook County. In spring 2024, a large brood of periodical cicadas are set to emerge in Northern Illinois, making it a big year for insects! Learn about the biology of these insects and what their arrival means for gardeners and farmers.


About the Four Seasons Gardening Series

University of Illinois Extension’s Four Seasons Gardening series focuses on home gardening, environmental stewardship, and backyard food production. Four Seasons Gardening sessions are monthly online sessions led by Illinois Extension experts from 1:30 to 2:30 p.m. on select Tuesdays and are free to attend. Registration is required. Learn more about the series and register for individual events at


Additional Sessions

Native Seed STarting for Spring Planting | January 23, 1:30 p.m.

Native plants are adapted to grow and survive in all types of Illinois weather, knowing how they grow will help you learn how to start native seeds for your own garden. Winter sowing is a technique used to save money and easily grow your own plants. Learn techniques to grow even some of the trickiest plants with limited space and no specialized equipment.


Rain Garden Essentials: Design, Build, Plant | March 5, 1:30 p.m

Discover the power of rain gardens, which act as nature’s filter by slowing storm water runoff, reducing soil erosion, and relieving strain on storm water systems. Gain insights into the principles of rain garden construction and design, ensuring that your garden not only enhances the beauty of your space, but also contributes to the health of the environment.


If you need a reasonable accommodation to participate, please contact