October 3, 2016
Parasites of the emerald ash borer (EAB) that may help slow the spread of the ash-tree-killing pest have been released earlier this summer in Jefferson and Allamakee Counties as part of a nationwide effort to reduce the threat of this invasive pest.
When selecting plants for the home landscape, consider those with excellent fall foliage. Some of the best fall color is produced by the following trees, shrubs, and perennials.
The following are highlights and updates about samples and questions recently received in the Plant and Insect Diagnostic Clinic. Visit the PIDC's Facebook page to ask questions and for updates and more pictures.
Insects and spiders seem to be everywhere in the fall. Some of the reasons for this seeming abundance are:
The 2017 Garden Calendar is titled 'Indoor Flower Power' and will help brighten a home with photos and information about different indoor flowering plants.
For many, active gardening begins in spring and ends in autumn. But the indoor gardener reaps rewards year round. Each month of this beautiful calendar brings you striking, closeup photos of the endearingly familiar and dramatically exotic indoor plants that bring flower power into our homes.
The emerald ash borer (EAB) has been discovered in Missouri Valley, Harrison County. Iowa’s growing number of counties with confirmed detections has now reached thirty-five. See the map below. EAB has been detected in seven new counties in Iowa this year.
Geraniums are beautiful plants which add color and vibrant detail to any landscape. However, they are ill-equipped to survive harsh winter conditions. There is a solution: Geraniums can be taken indoors and overwintered, then replanted in the spring. Learn more about overwintering geraniums in the Iowa State University Extension and Outreach Yard and Garden news release from September 29, 2016.