Good Growing

This week on the Good Growing Podcast, we dig into the Three Sisters gardening method, an Indigenous planting system that brings corn, beans, and squash together in a mutually beneficial way. Learn about the history and cultural significance behind the Three Sisters, how these three crops support one another in the garden, tips for trying it yourself at home, and more!  

Watch us on YouTube: https://youtu.be/EZmR9h-dhmQ 

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  00:36 – Have we ever tried the Three Sisters Gardening technique...

The National Garden Bureau has named 2026 the Year of the Azalea! Ken, Emily, and Chris are digging into what makes these colorful (and sometimes finicky) plants so popular.

In this episode of the Good Growing podcast, we break down everything you need to know about azaleas—from their connection to rhododendrons to how to grow them successfully in the Midwest. If you’ve ever wondered why azaleas struggle in Illinois landscapes (or if they’re even worth trying), this episode is for you.

Watch us on YouTube https://youtu.be/Tvg7VoiBmgc

00:30 Hey Ken

Long-time listeners know that Ken, Chris, and Emily are passionate about proper plant care practices. On this week’s podcast, the team discusses six hot-button issues related to improper tree care, including tree topping, the misuse of plastic sheeting under mulch, and codominant leaders. Listen to discover the other three pet peeves and what can be done to better support tree health. 

Watch us on YouTube: https://youtu.be/-Rhg5WXPlaw

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  03:12 – Co-dominant leaders

  06:33 – Nursery pruning for bushier trees 

  10:57 – Tree topping

As we reach Arbor Day this month of April, the Good Growing team dives into the biotic world of tree pests and diseases, breaking down what’s really going on when insects and pathogens show up in your landscape.
Horticulture educators Chris Enroth, Ken Johnson, and Emily Swihart explore common (and not‑so‑common) tree troubles, including eastern tent caterpillars, bagworms, wood‑boring insects, cedar apple rust, needle cast diseases, and oak wilt. Along the way, they explain the difference between biotic and abiotic problems, how environmental stress sets trees up for decline, and why some “pests” are actually jus...

Spring has sprung! This week on the Good Growing Podcast, we continue our Arbor Month conversation by sharing our favorite trees for spring, including redbud, dogwood, tulip tree, catalpa, and more. From eye-catching blooms to unique structure and seasonal interest, we celebrate the trees that make spring such a special time of year.

Watch us on YouTube: https://youtu.be/kVE7rOXl-n4 

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  02:59 – Flowering and kousa dogwood

  07:38 – Redbud 

  11:36 – Black locust

  15:24 – Silverbell

  18:58 – Catalpa

  25...

In this Arbor Month episode of Good Growing, horticulture educators Chris Enroth, Ken Johnson, and Emily Swihart dig into the concept of tree equity—the idea that all neighborhoods deserve access to tree canopy and the benefits trees provide. From shade and stormwater management to mental health and property values, the hosts explore why trees matter and why their distribution across communities is far from equal.

The conversation traces how historical practices like redlining shaped today’s urban forests, explains why some neighborhoods still have far fewer trees, and introduces practical tools—like the Tree Equity Score and i‑...

Can you really grow edible figs in Illinois—or anywhere in the Midwest? In this episode of the Good Growing Podcast, horticulture educators Chris Enroth and Ken Johnson are joined by Dr. Elizabeth Wahle to dig deep into one of humanity’s oldest cultivated fruits: the fig (Ficus carica).

From ancient history to modern backyards, we explore how figs grow, where they originated, and why cold‑hardy varieties like Chicago Hardy and Brown Turkey make figs possible even in colder climates. You’ll learn what makes figs so unique botanically, why the “fruit” is actually a modified stem, and ho...

Curious about trying something new in your garden this year? This week on the Good Growing Podcast, we share the unique and unusual plants we’re adding to our 2026 gardens. From teff and loofah gourds to spoon‑sized tomatoes, Armenian cucumbers, butterfly pea, and more, join us as we explore what drew us to these plants, how we plan to grow them, and the fun (and challenges!) of experimenting with unfamiliar crops.

Watch us on YouTube: https://youtu.be/_lx8Jeog-p0

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  03:09 – Teff

Early spring in the Midwest means unpredictable weather—and plenty of garden questions. After bouncing from 80-degree days to single-digit temperatures, Chris Enroth and Ken Johnson tackle what these wild swings mean for your landscape and gardens.

This week’s episode answers attendee questions submitted at the Home Lawn & Garden Day in Bloomington–Normal. Ken and Chris discuss surprise cold snaps, summer-bound broccoli, thinking ahead to Japanese beetles, and much more. Get ready to get back in the garden as the seasons begin to shift into spring. And then back to winter. And we'll throw some summer in the...

Spring is on the horizon—even if the weather can’t quite make up its mind. In this episode of the Good Growing Podcast, Chris and Ken do a little spring dreaming, sharing the flowers, plants, and woodland scenes they look forward to every year as the growing season begins.

From early bloomers like crocus, daffodils, and spring ephemerals to peonies, magnolias, and everything in between, we flip through a mental (and visual) photo album of spring favorites. Along the way, we talk about why these plants matter to us, how they fit into home landscapes and natu...

Crocuses may be small, but their world is anything but simple! Check out this week’s Good Growing Podcast, as we dive into the big, colorful world of Crocus. Learn about identifying crocus, how to grow them in your landscape, some of the commonly grown spring and fall-blooming species, and more!  

Watch us on YouTube: https://youtu.be/rX7QUDstn9E

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  02:26 – 'Crocus' that aren't Crocus

  06:33 – What do 'real' Crocus look like? - flowers

  11:31 – What do 'real' Crocus look like...

Get ready to kick off the 2026 gardening season with the Good Growing team as we unveil this year’s Grow Along plant list. In this episode, University of Illinois Extension horticulture educators Chris Enroth, Ken Johnson, and Emily Swihart walk through the selection process and describe the six unique crops chosen for the 2026 Grow Along program.

Register for the Grow Along: https://go.illinois.edu/GrowAlong2026

Watch us on YouTube: https://youtu.be/XUGiBe3RrFw

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1:21 Decision-making process for choosing the 2026 Grow Along seeds
6:55 Rebel St...

Curious about adding something a little different to your backyard orchard? On this week’s Good Growing Podcast, we dive into the flavorful world of lesser-known fruits you can grow right here in Illinois. From early‑ripening honeyberries and fall-bearing primocane blackberries to compact bush cherries and Illinois-born PRI apples, we explore unique fruit crops that offer exciting alternatives to the usual. 

Watch us on YouTube: https://youtu.be/XAVtrBFKB40 

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  01:30 – Welcome, Grant McCarty! Illinois Beginning Orchard Academy.

  03:22 – So...

Join University of Illinois Extension horticulture educator Chris Enroth on a winter walk through the prairie as he demonstrates how to overseed an existing native prairie by hand. 

Learn why winter is the perfect time for prairie overseeding, how they select their seed that is spread, and how to mix seed with a carrier for even spreading. Chris explains practical tips for seed collection, hand sowing methods, using locally sourced seed from community seed shares, and how overseeding supports long-term prairie health. 

Perfect for native plant lovers or anyone curious about hands-on conservation work that ca...

Feeling a little low this winter? You’re not alone. This week on the Good Growing Podcast, Family Life Educator Tessa Hobbs‑Curley joins us to discuss Seasonal Affective Disorder. Learn about what it is, how it differs from the usual winter blues, coping strategies, and more.

Watch us on YouTube: https://youtu.be/NdOQ8xNM9aI

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  03:14 – What is Seasonal Affective Disorder (SAD)? How is it diagnosed?

  06:14 – How is SAD different from just feeling bummed about the weather?

  10:11 – How is fall/wint...

How do trees survive freezing temperatures without turning into popsicles? Well, they do kind of turn into popsicles, but they control which part freezes. In this Gardenbite of the Good Growing Podcast, horticulture educator Chris Enroth breaks down the fascinating science behind how trees and other plants make it through harsh winter conditions.

Whether you’re a gardener, nature lover, or just curious about the secret life of plants, this episode gives you a clear and engaging look at what happens inside trees during winter—and how you can help prepare your landscape plants to survive cold stre...

You’ve probably seen Ficus in living rooms, lobbies, or maybe even grown one yourself, but how much do you really know about these iconic houseplants? Check out this week’s Good Growing Podcast as we explore the surprisingly diverse world of Ficus. From weeping figs and rubber trees to creeping figs and giant banyans, we dive into their history, care, different species, and more! 

Watch us on YouTube: https://youtu.be/2hx5VXZrJmg

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  00:41 – There are a lot of ficus species!

  02:12 –...

Welcome back to the Good Growing Podcast! In today’s episode, we’re sharing a special throwback conversation with Dr. Michael Ward, ornithologist at the University of Illinois. We’re answering real homeowner questions about backyard birds—everything from bird feeders to territorial cardinals to preventing window collisions.

If you’re wondering what to feed birds, how to clean feeders, why birds hit windows, or how to attract more colorful birds to your yard, this episode is packed with expert insights to help you create a healthier, more bird‑friendly backyard.

Watch this on YouTube https://yout...

It’s a new year, which means a new gardening season will be here before we know it. Check out this week’s Good Growing Podcast as we look back on our most popular episodes and standout moments from 2025. From battling mosquitoes to celebrating pollinator plants like milkweed and mountain mint, we revisit the topics that sparked the most conversation. Plus, we share some of our plans for 2026, from expanding native plantings to growing food and flowers for community donation, and more!

Watch us on YouTube: https://youtu.be/-1T-xDTG_W0

Skip...

Join us for a deep dive into the fascinating world of American persimmons (Diospyros virginiana)! In this episode of the Good Growing Podcast, Chris, Ken, and special guest Nick Frillman explore everything from tree identification and growing tips to wildlife connections and seed stratification.

We’ll bust common myths—like whether persimmons need frost to ripen—and uncover quirky folklore, including the famous fork, knife, or spoon winter prediction.

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00:33 Hey Ken!
01:28 Where can we find persimmon growing naturally in Illinois?
05:31 Sprouting persimmon seeds.
07:51 What a...

From pines and spruces to firs and cedars, evergreens are an important part of many landscapes in Illinois. Join us as we explore what makes these plants unique, how they thrive in tough conditions, and why they’re holiday favorites. Plus, we share some tips for caring for evergreens, choosing the right species for your landscape, and creative ways to repurpose your Christmas tree.

Watch us on YouTube: https://youtu.be/5y6VlnF24go

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  00:34 – Welcome. Talking evergreens and episode 300!

  03:02 – Definition time: evergreen, conifer, d...

Persimmons are sweet, native to Illinois, and sometimes astringent! In this episode of Good Growing, Chris Enroth and Ken Johnson sit down with Nick Frillman, Local Foods and Small Farms Educator, to uncover everything you need to know about persimmons. From American vs. Asian cultivars to tips for growing them in Illinois, we cover cultivars, pollination, pruning, and harvesting tricks to avoid that dreaded cottonmouth. 

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00:39 Hey Ken! Have we ever eaten a persimmon?
01:42 Welcome Nick!
03:24 What is the difference between the Asian and American persimmon?
08:10 Which t...

Holly isn’t just a festive decoration; it’s a plant with a rich history that can be incorporated into almost any garden. Check out this week’s Good Growing Podcast, as we explore the fascinating world of holly (Ilex spp.), from its cultural significance in ancient traditions to its role in modern landscapes. Learn about different species, tips for planting and care, how to ensure those iconic red berries appear, and even some surprising uses for holly. Whether you’re decking the halls or planning your garden, this episode has everything you need to know about this holiday favorite...

 It’s the most wonderful time of the year, if you’re battling invasive bush honeysuckle! In this Garden Bite, Chris from the Good Growing podcast walks you through effective late-fall control methods. Learn how to identify honeysuckle when everything else has gone dormant, why timing matters for herbicide applications, and the step-by-step process for the cut-stump treatment using glyphosate. From hand-pulling small plants to tackling large shrubs with saws and chainsaws, this episode covers the tools, techniques, and tips you need to reclaim your woodland understory. Grab your gloves and join us as we keep slaying that honeysuckle! 

W...

Have you ever had a container planter with perennials and excitedly waited for them to resume growth in the spring, but it never happened? Perennials in pots are subjected to much harsher conditions compared to those in the soil. Because of this, even if they are hardy to our area, they can be damaged and killed. Fortunately, there are steps we can take to help these plants survive the winter, so we can enjoy them come spring.  

Watch us on YouTube: https://youtu.be/CUbR7Dt7uws

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 Contact us! 

Chri...

Discover the fascinating world of cranberries in this episode of Good Growing. Horticulture educators Chris Enroth and Ken Johnson explore the history, science, and cultivation of one of North America’s few commercially grown native fruits. Learn how cranberries evolved from wild bog plants to a global industry, why they float during wet harvest, and the unique challenges growers face in managing seasonal demand. From Indigenous traditions to modern farming techniques, this episode dives deep into cranberry botany, sustainability, and the economics behind your favorite holiday berry. 

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00:39 Hey Ken! Ken...

In this episode of Good Growing, horticulture educators Chris Enroth and Ken Johnson dive into the latest updates to the Illinois Exotic Weed Act, which now includes nine newly listed invasive plant species. From the notorious Tree of Heaven to the sneaky Sericea Lespedeza. Plus, a tree many people have been waiting to be added to the list - Callery pear!

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00:30 Hey Ken! Are we done gardening yet? What we're doing with all our ginger.
03:03 News from the Illinois Department of Natural Resources on 9 new invasive plant...

It’s a Halloween Spooktacular! While they are usually overlooked, parasites are all around us. Check out this week’s Good Growing Podcast as we explore the complex, surprisingly common, and sometimes creepy world of parasites and parasitoids with Dr. Kacie Athey. Learn how these tiny creatures attack and manipulate their hosts, the difference between parasites, parasitoids, and diseases, discover mind-controlling fungi that infect insects, and more!

Watch us on YouTube:

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  02:47 - Welcome, Dr. Kacie Athey!

  04:46 – What are parasites? How are they di...

In this episode of Good Growing, Chris Enroth and Ken Johnson dive into the science and spectacle of fall foliage. From the pigments behind the seasonal color shift to their favorite underappreciated trees (sorry, maples), the duo explores what makes autumn leaves so dazzling—and why some years are better than others. Learn the difference between carotenoids and anthocyanins, discover native trees that deserve more love, and find out which species drop all their leaves in one dramatic swoop. Plus, a fun detour into the origins of the words “fall” and “autumn,” and a few honorable mentions that might surprise y...

The arrival of fall means vibrant colors and a whole lot of leaves on the ground. So, what should we do with all those leaves? Check out this week’s Good Growing Podcast as we discuss whether or not we should remove leaves from our landscapes, and if we do, what can we do with them? 

Watch us on YouTube

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  00:38 - Are leaves starting to drop near us?

  02:10 – Fall color update

  03:53 - Should we remove our leaves or leave the l...

As temperatures drop and daylight shortens, many insects begin their annual migration—straight into our homes. In this episode, horticulture educators Chris Enroth and Ken Johnson explore the biology and behavior of three common fall invaders: the brown marmorated stink bug, the multicolored Asian lady beetle, and the boxelder bug.

Learn how these insects respond to seasonal changes, why they choose our homes for overwintering, and how to identify them accurately. The hosts also discuss the ecological impact of invasive species, like the stink bug and Asian lady beetle, and share practical, research-based strategies for keeping these pe...

Have you heard about the spotted lanternfly and wondered where it is in Illinois? Check out this week’s Good Growing Podcast as we talk with Kelly Estes, State Agricultural Pest Survey Coordinator, about the arrival of this invasive insect. Learn about how spotted lanternfly got here and where it’s been found, what it looks like, where to look for it, how to report it, and more! 

Watch us on YouTube: https://youtu.be/Q9YSSOuSkfY

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  01:35 - Welcome, Kelly Estes! What is your r...

In this episode of the Good Growing podcast, hosts Chris Enroth and Ken Johnson are joined by Colleen Reuter, Environmental Compliance professional at the University of Illinois Urbana-Champaign, to explore the world of green infrastructure and stormwater management.

From rain gardens and rain barrels to depaving driveways and even the surprising role of beavers in flood control, this episode dives into practical, research-based strategies that homeowners and communities can use to reduce erosion, manage runoff, and improve water quality.

We also preview the upcoming Illinois Green Infrastructure and Erosion Control Conference, a free, public event...

Even though it’s been dry, that hasn’t stopped the garden questions from coming in. Check out this week’s Good Growing Podcast as we answer some of your questions, as well as some of the most common gardening questions on the internet! From watering lawns and planting bulbs and perennials to dealing with ants, black spots on maple leaves, and more! Plus, we celebrate National Houseplant Week and pawpaws.

Watch us on YouTube: https://youtu.be/FI0D5Z2mfYQ

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  01...

In this episode of Good Growing, horticulture educators Chris Enroth and Ken Johnson dive into the challenges of gardening during Central and Southern Illinois’ increasingly dry fall season. From flash droughts and cracked lawns to watering strategies for trees, shrubs, and cover crops, they share practical advice for managing your landscape in low-moisture conditions. Plus, a timely reminder about fire safety and a segment they have dubbed "Hose Talk." Tune in for expert insights and seasonal tips to keep your garden growing—even when the rain won’t fall.

Watch us on YouTube https://youtu.be/9PXCI5ddpBI<...

If you’ve driven along any interstates or highways in Illinois, there’s a good chance you’ve seen tall plants with spiky flower heads. Teasels have become an increasingly common sight across Illinois. While they may appear attractive, especially for cut flower arrangements, these troublesome plants can form large colonies that outcompete and choke out native plants.

Watch us on YouTube: https://youtu.be/_wKeJ61A20o

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Contact us! 

 Chris Enroth: cenroth@illinois.edu

 Ken Johnson: kjohnso@illinois.edu

Check out the Good Grow...

In this episode of the Good Growing Podcast, horticulture educator Chris Enroth from University of Illinois Extension explores the adversaries of the monarch butterfly, including the controversial practice of captive rearing.

Although we do not recommend captive rearing, there may be times when it is wanted for educational purposes. Can it be done responsibly? Chris shares best practices for raising monarch caterpillars indoors. Instead of captive rearing, support habitat conservation efforts! Learn how programs like Monarch Waystations and pollinator gardens can help restore critical habitat.

Watch us on YouTube https://youtu.be/Yfzxnvpco0M

In this episode, Chris and Ken delve into the complex world of composting. From their passive piles that simply sit and rot (no judgment!) to active setups that require thermometers, turning, and possibly even a chipper shredder. Learn what compost actually is (hint: it’s not soil), how to build a pile that works, and why moisture matters. Don't feed the landfill. Feed your soil!

Watch us on YouTube https://youtu.be/LWrdiau0aiA 

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00:37 Hey Ken! Do we compost at home?
02:43 What is and is not com...

Thinking about building raised beds, but not sure where to start? Check out this week’s Good Growing Podcast as we discuss the benefits and challenges of raised bed gardening. From building materials to filling beds, get tips for construction, irrigation, and maintenance. Learn how raised beds can improve accessibility, reduce compaction, and what plants to grow in them.

Watch us on YouTube: https://youtu.be/5ooWAxzir6g

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  00:48 – Welcome, Ken. How are our tomatoes looking?

  03:13 - Why would we want to go thro...

Ever wondered how to tell one tree from another—or why it even matters? Check out this week’s Good Growing podcast, where we dive into the magical world of tree identification with horticulture educator Sarah Vogel. From leaf shapes and bark textures to Latin names and mnemonic tricks, learn how recognizing trees can help you care for them better, diagnose problems, and deepen your connection with nature.

Watch us on YouTube: https://youtu.be/_7IMFXaOqNc

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  01:20 – Welcome, Sarah! 

  02:28 - Why is tree iden...