The most common sawfly that attacks needled evergreens in Illinois is the European pine sawfly, which is present as damaging larvae in the spring. Because this sawfly finishes larval feeding at candle emergence, only second- and third-year needles are consumed. The result is that the emerging...

University of Illinois Horticulture Educator, Kelly Allsup encourages gardeners to collect seeds from milkweeds to add this much needed plant to the landscape for Illinois monarchs. Kelly warns that you may see butterfly enthusiasts along roadsides collecting seeds from coveted weeds and prairie...

The recent news of the declining monarch colonies in Mexico has many Illinois gardeners and schoolchildren worrying about the impact here in Illinois. The butterflies, which spend the winter hibernating in the forests of Mexico, occupied only 1.65 acres in December 2013 –a 44 percent drop from 2012...

For those of you who have never walked the prairies of Illinois in the summer when the silphiums (prairie sunflowers) are reaching for the tallest spot, the milkweeds are teeming with butterflies and the coneflowers are buzzing with bees, you are missing a piece of our Illinois history. For the...

Blue Dasher adult male dragonflies are territorial, often perching on pond-edge vegetation where they use their huge green eyes to watch for female mates and to chase off male competitors. Immature Blue Dashers have reddish-brown eyes and keep carefulwatch for adults and and other predators whomay...

Although ornamental flowering pears are beautiful in the spring, they have several severe problems. Below is a portion of an article written by Sandy Mason, Extension Educator in horticulture based in Champaign, IL. Since this article was published in 2005, ornamental pear problems have...

Most Knockout roses in our area have bounced back from the winter kill by resprouting from the base causing the plants to be smaller and more compact this year. However few, some in our area had to be replanted the one’s that didn’t had a little help from Mother Nature with their garden pruning...

If you invite me to your garden for a tour, I probably won't be looking at your flowers, but rather start turning over leaves or inspecting holes, looking for the insects that may reside there. Several clues will prompt me to inspect a plant, like frass (insect poop), holes in the leaves, yellowing...

"Hedge apple" trees (also called Osage orange, Maclura pomifera) are not related to apples or oranges and their fruit is inedible. The large, grapefruit-sized, brain-like green fruit are better-known that the trees and show up in the fall of the year in stores and farmers markets where...

Fungal Diseases of Tomatoes Pictures Missouri Botanical Garden Septoria Leaf Blight (Leaf Spot) Septoria leaf spot is the most co

Sign up today for Master Gardener Would you like to learn about growing vegetables, landscaping, trees, insects or turfgrass from the University of Illinois Extension? The McLean County Master Gardeners want you to join their training program this winter and take you on a amazing...

As a horticulturist, I am often asked to name my favorite plant. After my mind spins from traveling through my past, I am left momentarily speechless. Is my favorite plant the bountiful bunch of cymbidium orchids from Holland or the vivid blue poppies from the Chelsea flower show in London or...

Scientists believe brilliant fall colors may be a sign of healthy trees in the expanse of the North American forests. The presence of brilliant reds of the black tupelo, orange and purples of sassafrass and the luminescent yellows of birch may actually contribute to deterring leaf-eating pests...

Emerald ash borer has been found in white fringetree, Chionanthus virginicus, in the Dayton and Springfield areas of western Ohio. Part of a dead adult found in one of the trees has been positively identified by USDA personnel along with larvae from the same tree whose anatomical...

Mesclun is a mixture of assorted small, baby salad leaves also known as a mesclun mix. You can purchase mesclun bagged in cellophane at your grocer. Yet freshly harvested from a few square feet in your patio, garden, or front stoop, mesclun is an easy tender treat, said a University of Illinois...

- Looking for a gift for the gardener on your list? A short list of items most gardeners will appreciate might come in handy this holiday season, said a University of Illinois Extension horticulture educator. "There are hundreds of gift ideas for the gardener, and this list will focus on items...

For Christmas, my father, asked me to pick out a piece of art from his studio to take home to add to my collection of all things "Karlton Allsup, the potter." I was conflicted between two pieces: one, a pristine turquoise and white plate that was perfectly symmetrical with not a flaw in sight; and...

Goat's Milk Chevre Cheese from Prairie Fruits Farm in Champaign Apple Cider Cider from Rockome Gardens Foods in Arcola Aronia Berry Muffins with Jam or Jelly Berries, jams, and jellies from Sunny Lane Aronia Farm in Eureka Meatballs...

Divide and conquer: Preparing spring plants URBANA, Ill. - Spring is here and we are starting to get the gardening itch, said a University of Illinois Extension horticulture educator. "Warm days tease us and blooming crocus encourages us," said Martha Smith. "But we know Mother Nature is still in...

As a hired hand in the gardening world, I would gather blooms from the recently tended landscape to create a floral arrangement for the inside of the home. The transition from gardener to floral designer seemed effortless since landscaping and floral design share common principles: repetition...