Over the next few weeks, some of central Illinois will experience a rare phenomenon that only occurs every other decade. As soil temperatures warm, millions of insects will emerge from the ground in forests, city parks, yards and gardens. They will carefully navigate the terrain and...
Originally published by Kelly Allsup on May 7, 2021.
If you didn’t know, we are cultivating invasive trees in backyards and urban settings. Tree-of-heaven (Ailanthus altissima) and Amur corktree (Phellodendron amurense) are outcompeting surrounding plants...
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...
We can always count on spring, but we cannot count on how our plants will come through the winter weather. Emails and phone calls coming into our offices are revealing some trends on how our landscape plants faired.
A couple that have looked very good this spring are flowering ornamental...
Spring is a time of abundant blooms as well as one of the best times of year to establish new woody plants in your landscape. This year, consider adding one, or all, of my favorite Illinois native spring-flowering trees to your landscape, and you’ll enjoy spring floral displays for years to...
A tree is a long-term investment for a home. Truthfully, we often don’t plant trees for us, but for those that come after us. But many trees planted in a developed area don’t live past their eighth year. Here are some tips to help get your new tree past the eight-year hump and keep it going for...
These few weeks in April bring an onslaught of spectacular spring colors from blooming tree and shrub species. As many forsythia, quince, and magnolia blooms fade and leaves appear, some redbuds, dogwoods, and crabapples are just beginning their performance. A very common spring flowering tree...
Do you see those beautiful white flowering trees lining the streets and backyards? These delicate white blossoms, made brighter by the months of winter endured, are actually an environmental hazard to the Illinois wilds. Callery Pear season is upon us.
It’s actually ...
It is heartbreaking to see the results of natural disasters, when it affects entire communities or when the storm hits home. As a horticulture educator, I am often asked in the aftermath of a weather-related disaster, “How do we restore our landscape?” This may seem like a trivial question in such...
Recent warming temperatures signals the beginning of the pruning season. Gardeners may need to just help nature shape up a shrub that did not read the rule book on how it should look, or they may begin...