May Berenbaum, University of Illinois entomologist and researcher of the decline in honeybees, has...

Illinois butterfly identification programs have been popular among prairie walkers and flower gardeners. It is these delightful visitors of flowers or tree sap or —in some cases, dung and mud puddles —that capture our interests and cause us to ask, "What kind of butterfly is that?" and "Where did...

The droughts of 2011 and 2012 continue to take a toll on tree health. Rhonda Ferree, Extension Educator in horticulture, says that trees can take three to five years to show symptoms from a severe event such as drought. Unfortunately trees under stress are less able to fight off insect and...

Get your gardens buzzing next spring by planting bee-friendly bulbs and spring bloomers this fall. Bumblebee queens, honey bees, and solitary bees start emerging from their winter homes ready to feast on the landscape as early as March. Feed them from your garden by planting a mix of crocus, snow...

Don't get started too Early on Seeds University of Illinois Extension Educator, Kelly Allsup, warns gardeners with that early onset gardenitis from starting their seed too early but rather encourage using the following guidelines. Just as snow, ice, fierce wind and tough driving conditions are...

Do you have fruit trees? Would you like to harvest more each year? Most homeowners and local farmers should know that a yearly pruning can increase quality fruit production, reduce occurrence of diseases by increasing airflow and improving the longevity of the tree. However, most are unsure where...

Tropical houseplants can be a rewarding sight after coming in out of the snow this winter. A jungle of textures and colors can make home dÃ?©cor come alive. After years of working at the Plant Biology Conservatory at the University of Illinois and caring for tropical houseplants in my own home, I'...

If Johnny Appleseed were planting apples in 2014, he would be planting dwarf or semi-dwarf trees grafted onto disease-resistant rootstocks instead of apple seeds from a leather satchel. Grafting is like plant surgery for horticulturists, connecting the growing tissues of one plant to another....

Cicada eggs laid 17 years ago are now emerging in northwestern Illinois. University of Illinois Extension entomologist Phil Nixon said this is the Iowa brood that covers portions of western Illinois, northern edge of Missouri and most of the southern two-thirds of Iowa. The Illinois area...

Nobody in our lab is aware of any study that has looked at the possible toxicity of swimming pool water to bees. However, bees certainly seem to like drinking from pools. It could just be that a pool is an easy water source to find, but we also know that bees generally like a tiny amount of salt in...

Pansies brighten up spring garden URBANA, Ill. - Pansies are making a comeback in the garden world, said a University of Illinois Extension horticulture educator. "According to the Garden Media Group, pansy and violet sales were up 6.4 percent in 2011," said Rhonda Ferree. "Since then, pansies...

Take container gardening to the next level by utilizing bulbs for stunning summer displays. Summer flowering bulbs can bear some of the most beautiful blooms or striking foliage, adding surprise pops of interest to your porch or outdoor garden. This gardening adventure can be very cost-...

Going organic in your vegetable plot or landscape can be easily achieved. Opting to use compost to amend the soil instead of liquid chemical fertilizers, native plants instead of highly managed plants and refraining from using chemicals like carbaryl and organophosphate are steps gardeners take...

Oak leaf blister has started to appear on oak trees on the Illinois. This disease is caused by the fungal pathogen, Taphrina caerulescens. Members or the red oak group are more commonly affected by the disease. Symptoms are distinctive, and appear as scattered blister-like, puckered, or...

We have been receiving reports of large wasps in recent weeks that some people have "identified" by using the Internet as Asian giant hornet. This is confounded by several news stories, including some in Illinois, on supposed sightings of the Asian giant hornet. From what I can tell, there have...

Fall is a great time to test the soil and alleviate questions about fertility in your vegetable gardens or beneath that beloved shade tree. Fall soil testing allows the gardener to make additions to the soil before winter. Individual types of plants (vegetables, trees and flowers) require...

When most gardeners are dealing with the remnants of their summer harvest and preparing the garden bed for winter, most professional vegetable growers are about to have their most productive growing season of the year: fall. The fall offers a second chance at growing cool-weather vegetables...

Scoliid wasps, family Scoliidae, feed as parasitoids on the larvae of green June beetles. Where there were high numbers of these beetles, this is followed by large numbers of scoliid wasps. These are one inch long black wasps with the posterior portion of the abdomen being orange with a couple of...

Excessive Moisture can cause Tomato cracking in Blooomington NormalPicture by Missouri Botanical Garden