The Four Seasons Gardening Webinar Series is one of the most popular horticulture programs offered by the Illinois Extension Horticulture Team. Each season, the team hosts three live webinars delivered via Zoom. Registration is required and can be completed by clicking on the links below. Webinars are held on select Tuesdays at 1:30 p.m. Central Standard Time.

Spring Schedule

Seed Starting

April 7, 2020 at 1:30 p.m. Central Daylight Time

Looking for new and unusual annuals or perennials for your garden?  Looking for a winter hobby?  Why not start your own plants from seed this year.  You can achieve great satisfaction watching your plants grow and stretch your gardening dollar.  Martha Smith, Illinois Extension, Horticulture Educator will walk you through the entire process.  Don’t just settle for marigolds… try something different!


Slow Flowers: Grow Your Own Cut Flowers

April 14, 2020 at 1:30 p.m. Central Daylight Time

We emphasize buying your food locally, but why not your flowers as well? Join University of Illinois State Master Gardener Specialist, Candice Hart, to learn how to grow a variety of cut flowers here in Illinois, the benefits of having cut flowers in the garden, and how to condition them to be long lasting. Hart will discuss her all-time favorite flowers to grow and share tips and tricks for success.  


Gardening 101

April 21, 2020 at 1:30 p.m. Central Daylight Time

Gardening can be a fun and rewarding activity. If you are starting your first garden or just need a refresher, join Illinois Extension Horticulture Educator, Ken Johnson as he covers the basics of gardening from where to place your garden, how to prepare and lay it out, and plant selection.  


Colorful Vegetables

April 28, 2020 at 1:30 p.m. Central Daylight Time

Join, Illinois Extension Horticulture Educator, Bruce Black as he discusses plant characteristics that cause changes in popular and new cultivars of unique vegetables.


Landscape Design with Natives 101

May 5, 2020 at 1:30 p.m. Central Daylight Time

This program will compare and define native landscape vs. conventional landscaping and discuss the benefits and impact of using natives, the approach to designing with natives, and give examples of popular native plant selections. Horticulture Educator, Austin Little will also talk about the practical implications of installing native plants in a home/urban landscape.


New Perennial Garden Theory

May 12, 2020 at 1:30 p.m. Central Daylight Time

Would you like to install a garden of perennials and bulbs that could actually become sustainable? Roy Diblik, perennial plant expert and author of The Know Maintenance Perennial Garden, has a fresh perspective on perennial gardening by outlining specifics on bed preparation, plant selection, garden designs, watering, and weed maintenance that allow the clients to have an easy to care for garden by year three. Join Illinois Extension Horticulture Educator, Kelly Allsup as she describes some of these techniques highlighted in the book and how they can work for you. 


Creating a Pollinator Garden for Small Spaces

May 19, 2020 at 1:30 p.m. Central Daylight Time

Proper plant selection can give gardeners a beautiful and fruitful space that can play an important role in creating habitat for pollinators. Jennifer Fishburn, Illinois Extension Horticulture Educator, will discuss pollinator plant options for small spaces.


Illinois Monarch Action Plan

May 26, 2020 at 1:30 p.m. Central Daylight Time

The declining monarch butterfly population has the U.S. Fish and Wildlife Service evaluating monarch research before deciding monarch endangered species status. To assist, Illinois brought in key stakeholders to facilitate the development of an Illinois Monarch Action Plan. Join Maria Turner, University of Illinois Extension State IPM Specialist as she discusses the action plan.



Summer Schedule -  Registration opens later this spring

Tomato Problems – Ken Johnson – June 9th at 1:30 p.m. Central Time

Tomatoes are one of the most popular and commonly grown plants in home gardens. Join University of Illinois Extension Educator, Ken Johnson where he will discuss common problems that plague tomatoes as well as ways to address them.  

Living Carpets: Ground Covers – Kelly Allsup – July 14th  at 1:30 p.m. Central Time

If I see another ground cover of daylilies mixed with mulch or grassy junipers, I am going to scream. Unlike daylilies, ground covers should be ornamental year-round, and low maintenance once established. Learn some new options for ground cover, including plants that you may not think of, to create these living carpets. These types of plants will be highlighted throughout the talk with University of Illinois Extension Horticulture Educator, Kelly Allsup.

Adventures in Edible Landscaping – Austin Little – August 11th  at 1:30 p.m. Central Time

This webinar will explore the use of plants that are not only visually attractive, but also edible. Join Horticulture Educator, Austin Little and look at the benefits of introducing edible plants into the landscape and look at the unique challenges of edible plants. In addition, we will look at some great options for different types of edible plants and talk about some design basics when adding edibles to your landscape.


Fall Schedule - Registration opens this summer

Hardscaping Basics for Patios and Retaining Walls - Chris Enroth - September 15th at 1:30 p.m. Central Time

Do you have a vision of a retaining wall or patio in your yard, but aren’t quite sure where to start? Hardscape installation can cost thousands of dollars and many homeowners are turning to DIY to save some money. However, there is a lot to know about proper hardscape installation methods. Join University of Illinois Extension Horticulture Educator, Chris Enroth, as he talks about the basics of modular patio paver and retaining wall installation. 

Creating a Bottle Terrarium – Bruce Black - October 13th at 1:30 p.m. Central Time

Explore the enclosed world of bottle terrariums, self-contained plant environments within glass. Join Horticulture Educator, Bruce J. Black, to explore terrariums, their needs and how to create a bottle version of a terrarium.

History of Forest Pest Outbreaks in North America – Ryan Pankau - November 17th at 1:30 p.m. Central Time

North America has a history of exotic pests that extirpate individual tree species, with Emerald Ash Borer serving as our modern example. In our current, ever-globalizing society there is significant risk for future outbreaks that may impact our trees from the urban forest to our woodlands. Join University of Illinois Extension Horticulture Educator Ryan Pankau as he examines past outbreaks on our continent to compare what we have learned historically with the current pests threatening our native trees.

Webinar Archives

Each program is recorded and uploaded to Illinois Extension Horticulture YouTube channel. To allow time for closed captioning, please check the YouTube channel 30 days after the scheduled program.