April 14, 2010

Looking Ahead to Bagworm Season

Last week I stopped at a rest area on I-29 north of Hamburg IA, and noticed a dramatic display of the pinecone-like bagworm “bags” covering an ornamental evergreen.

Springtime Bulbs of Blue

In the past few weeks a number of people have asked about the masses of blue flowers scattered all over the campus of ISU. I look forward to this question every year because it is one of the m

Proper Mowing of the Home Lawn


Blister canker

Blister canker is a disease caused by the fungus Biscogniauxia marginata (formerly known as  Nummularia discrete).

Plant and Insect Diagnostic Clinic Update - April 14, 2010

The following are highlights and updates about samples and questions recently received in the Clinic: