One of WILL-TV's most popular programs, Illinois Gardener's panel has extensive knowledge of horticulture, landscape design, and entomology. Website includes tips from the show and other links.
The U of I Extension web site contains home lawn and garden programs that cover the various issues that a homeowner may run across and many options to use to solve those issues. It also offers up-to-date information on pest problems that may be antagonizing your home garden.
The Trees Are Good web site was created by the International Society of Aboriculture to provide the general public with quality arboriculture, or tree care, related information.
This Illinois Dept of Agriculture web page Exotic Pests of Concern provides us with up to date information on exotic pests that are, will or could become critical environmental issues within Illinois. The Emerald Ash Borer is the newest member of this group and fast becoming the state's most serious concern.