Replace invasive Callery pear trees before the next big storm forces it.

Now considered an invasive species, the Callery pear is a widely used ornamental flowering tree with negative effects on native ecosystems. Until policies are amended and put in place to regulate the Callery pear, also called Bradford pear, this tree continues to be commonly produced and planted. Discover the numerous Illinois native species that are suitable alternatives or replacements for the Callery pear in the landscape.

Presenter: Sarah Vogel, Extension horticulture educator

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 go.illinois.edu/FourSeasons.

Additional Sessions

Backyard Beekeeping | March 19

Beekeeping is a growing and rewarding hobby that can be enjoyed by backyard gardeners looking to expand into new ventures. Learn the basics of starting a backyard colony, understanding honeybees, and hive management techniques. Get questions answered before the hive arrives.

Presenter: Jennifer Fishburn, Extension horticulture educator

Exploring Natural Lawn Care | May 14

With billions of gallons of water used on lawns every year, more residents are researching natural approaches to lawn care. Learn what goes into taking care of a lawn and what to swap to achieve more natural, environmentally friendly lawn habits. Explore resources, what a lawn requires, and how to seasonally adjust natural care techniques. 

Presenter: Gemini Bhalsod , Extension horticulture educator