January 15, 2016

Shade Tree Short Course, February 24 - 25, 2016

The GLass is Half Full: A Call for Optimism. 60th Annual Iowa State University ShadeTree Short Course. February 23-25, 2016

The 60th Annual Iowa State University Shade Tree Short Course will be held at the Iowa State Center Scheman Continuing Education Building on Wednesday, February 24 and Thursday, February 25, 2016.  Read about the agenda, the keynote speakers and the 48 workshop options online at www.register.extension.iastate.edu.

  

Plant Diagnosis: The Deceptive Nature of Symptoms

Yellow discoloration on spike plant leaves (Dracaena indivisa), top of the leaf

Happy New Year from the Plant and Insect Diagnostic Clinic staff!

 

This year has started with interesting samples that remind us of the importance of accurate diagnosis as the first step to making management decisions that will best resolve the problem.  Correct identification is a fundamental concept and the cornerstone of our integrated pest management extension and outreach activities.

 

Propagating Woody Deciduous Plants by Hardwood Stem Cuttings


Plants can be propagated by several different methods.  Some woody trees, shrubs, and vines can be propagated by deciduous hardwood stem cuttings.  Plants that can be propagated by this method include willow, poplar, dogwood, forsythia, grape, and gooseberry. 
 

Casemaking Clothes Moths

Cases of casemaking clothes moth caterpillars

Clothes moths were far better known to our grandparents than they are to most of us.  The use of synthetic fibers in carpets and clothing and increased sanitation has greatly reduced reports of this once common pest.  Clothes moth caterpillars feed on wool, leather, feathers, taxidermy mounts, and other items of animal origin.

Winter Care for Indoor Flowering Plants


During winter, indoor flowering plants purchased from floral shops and other retailers can really brighten a home.  See the Iowa State University Extension and Outreach Yard & Garden news release from January 13, 2016 for tips and suggestions on how to care for your plants and get the most enjoyment from them.

Caring For Plants, Shrubs and Trees In Snow


Winter snows may bury or bend you garden trees and shrubs and affect your landscape.  See the Iowa State University Extension and Outreach Yard & Garden news release from January 6, 2016 for steps you can take to alleviate winter’s effects.