For the most part, we think of fungal infections as undesirable and cause adverse effects on plants. Fungal pathogens can destroy crops, weaken and deform plant parts, or kill the host plant entirely. Fungal pathogens cause billions of dollars of economic loss annually. Within this context, as we...

We are stuck with the trees planted by those who came before us. At least I am at my house. Mostly because they are so expensive to cut down. One species I am left dealing with is Norway maple (Acer platinoides).Am I referring to the maple with purple leaves? Yes, that maple. The original...

An orange lawn? You’re walking through your lawn. You notice some discoloration in patches, but it doesn’t seem too alarming. After walking in your front door you begin to slip off your shoes and notice they’ve been turned an orange-red color. You’d swear it looked like your shoes were rusted-over...

Purple coneflower (Echinacea purpurea) is among the most widely planted native plants in yards and gardens. They are long-blooming plants that produce domed flowers with orangish-brown spiny centers and drooping lavender petals. Occasionally their flowers will become green and distorted,...

Peonies are a common sight in many yards. They are typically grown for their showy blooms in the spring but also have attractive foliage that can act as a backdrop in landscape beds. While peonies are relatively problem-free, a few diseases, powdery mildew and leaf blotch, show up fairly regularly...

Hollyhocks (Alcea rosea) have been growing in gardens for centuries and remind many of us of our parents’ or grandparents’ gardens. Despite being ‘old-fashioned,’ hollyhocks have had a bit of a resurgence in recent years. Their tall, stately flowers are an impressive sight in the garden....

The problem with many plant diseases is once you notice them it’s often too late. That’s especially true with our trees. We often don’t gaze at the canopies of our trees looking for problems. The typical homeowner won’t notice disease or insect damage until visible symptoms surpass 10 percent of...

Apples and pears are popular trees to grow for people interested in growing their own fruit. However, they aren't without any problems. A variety of insect pests and diseases can plague them. One common and potentially serious disease is fire blight. What is fire blight? Fire...

Have you ever gone out to pick a peach only to find they have a large brown, mushy spot? Or perhaps you've brought some peaches home from the farmers' market only to have developed these same spots a few days later. The likely culprit is brown rot. Brown rot (Monilinia spp.) is one of the...

Once you’ve picked the last of your fruits this season, you may think your work with your fruit plants is over. However, a few tasks can be done in the fall to set yourself up for a successful growing season next year. Tree Fruit Sanitation and disease management One of the most...

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...

From evergreens and Poinsettias to holiday cacti and holly, we use a variety of different plants to adorn our homes and offices during the holidays. One plant we commonly hear about is mistletoe. Mistletoe has an interesting past, from an ancient symbol of fertility to somewhere to sneak a...

I bet you’re sick of reading about elections and politics. Fortunately, the Good Growing column is a welcome escape. Today I would like to dive into diseases. Oh, that’s right. We’re kind of in the middle of a global pandemic and I bet “disease” is not on the top of your list either. Within our...

I spend a lot of time asking homeowners to show me their tree butts. Buttress to be specific, but industry lingo shortens it to butt and is described as the dramatic widening of the lower trunk. The buttress of a tree is located beginning at the root flare where the base of the trunk flares out...

Cucumbers, melons, squash, and pumpkins are collectively known as cucurbits. Because these crops are related, they are afflicted with many of the same pests and diseases. Here are some of the most commonly encountered pests and diseases in cucurbits. Insects Cucumber...

Tomatoes are the most commonly grown plant in the home vegetable garden. Tomatoes are relatively easy to grow, and there is a wide variety of different types. If you’re growing tomatoes, you’ll more than likely encounter a few pests and diseases along the way. So, let’s take a moment and talk about...

Have you ever noticed the leaves of your peach tree becoming curled and puckered and turning reddish or purplish? If you’ve seen this, you’ve likely had peach leaf curl. Peach leaf curl is a fungal disease caused by Taphrina deformans. It is one of the most commonly encountered diseases...