This year has been good for many plants, but not all. In late spring Central Illinois went through almost three weeks where it rained at least once per day. Many of our plants responded to this favorably. Standing in a pollinator garden a few days ago, the goldenrod towered over me. Our vegetable...

Milkweeds have become a popular garden plant the last several years. They are most commonly planted to help support monarch butterflies because milkweeds are the sole food source for monarch caterpillars. Milkweeds contain toxic compounds (cardiac glycosides) to deter animals (insects and...

There’s nothing more devastating than walking out to your garden to discover your squash plants are wilted or dead. An insect known as the squash vine borer is one that will cause damage to your cucurbit plants by tunneling into the stems.  Once you have had an encounter with squash vine borer...

How full is your invasive species radar? All I can say is my view is overwhelmed. Dealing with the current group of Japanese beetles, emerald ash borer, bush honeysuckle, and so many more. Plus, in Illinois, we are girding for the impending arrival of the very destructive spotted lanternfly. Then a...

While it may seem like every insect out there is trying to eat your plants, not all the insects you see in your garden are pests. In fact, fewer than 1% of all insects are considered pests, meaning the vast majority are beneficial or, at the very least, benign. While most people are aware of the...

They’re back! After hitching their initial ride on imported ornamental plants in 1916, Japanese beetles decided North America isn’t such a bad place to live and have made a presence year after year since.  Today, these pests can be a serious nuisance to gardeners and farmers throughout North...

Landscape fabric. It’s what goes under the mulch. Right? I’ve had several conversations with home gardeners looking for a permanent solution to keeping the weeds down and each time I warn them about the use of landscape fabric. If you’re thinking, “Hang on! Landscape fabric doesn’t work?” Of...

After some up and down temperatures earlier this year, it seems summer has settled in for good. While a lot of the work we do in the garden happens in the spring, that doesn’t mean we can coast through the summer. Here are some things we can be doing in our landscapes to help keep them going...

Why are we talking about pumpkins in June? Because if you want home-grown pumpkins for Halloween, it is best to get them planted now! Good Growing Fact Did you know Illinois is ranked #1 for pumpkin production with more than 10,000 acres planted in 2019? Morton, IL, is considered...

Fertilizer does not actually “feed” your plants. Let’s be clear, plants get their food from sunlight. I know we may have heard about photosynthesis and not paid much mind to this process. I was the same way. I remember sitting in high school biology learning about animal cells and plant cells and...

They’re baaaack. If you’ve spent much time outdoors recently, there’s a chance you’ve had an encounter with buffalo gnats. What do they look like, and what do they do? Buffalo gnats (Simuliidae), also known as black flies, are small, 1/16- to 1/8-inch-long, ...

With the recent detections of boxwood blight, which is a regulated plant disease, in Illinois, the importance of scouting landscapes and new plants for the disease is greater than ever. Boxwood blight can be a challenging disease to identify outside a plant diagnostic laboratory. Many of the...

In 2019, the pathogen that causes Sudden Oak Death, a plant disease that has killed large tracts of oaks and affected many native plant species in California, Oregon, and Europe, was found in Illinois.  Phytophthora ramorum, the causal agent of Sudden Oak Death (SOD) was...

In 1946 Robert Allerton transferred the ownership of a large parcel of his estate near Monticello to the University of Illinois. The Allerton legacy gift is now used as a public park, a conference and retreat center, and a 4-H youth camp.  Now, 75 years later, nearly all of its...

The Asian longhorned beetle is a non-native pest that threatens a number of hardwood trees in North America. The larva damage living trees as they tunnel through. History of Asian Longhorned Beetle The Asian longhorned beetle was first identified in New York City...

Palmer amaranth is an invasive weed species we have been hearing a lot about in agriculture over the last 10 years, and it continues to be a threat after its first documented appearance in Illinois in 2012. Native to southwestern US states, palmer amaranth has made its way to 39 of the states....

When we look at the current lists of plants that are deemed legally invasive by state and federal governments, we see species that were quite popular in the landscape in generations past. As we battle the current invasive species in our natural areas, there is a new generation of non-native shrubs...

When it comes to invasive insects, much of our attention is directed towards those that cause a great deal of damage, such as Japanese beetles and emerald ash borer. However, there are some other invasive insects present in Illinois that pose a threat to our plants and even us that you should be...

Emerald ash borer (Agrilus planipennis) or EAB has cut a wide swath of destruction across a large portion of the United States, including Illinois. EAB has been responsible for the death of tens, if not hundreds, of...

With our recent warm weather, you have probably started noticing your landscape plants really taking off in growth. For those with a more established landscape, this boost in growth may have you noticing some of your perennials crowding out others or taking over. If this is the case, it may be time...