June 9, 2010

Tick Control in the Yard and Landscape


We are frequently asked if there is an insecticide that can be applied to effectively control or repel ticks from a picnic area, camp grounds, woodland, or landscape. The short answer is, no.  

Horticulture Field Days


You are formally invited to the Second Annual ISU All Horticulture Field Day on July 29, 2010.

Mole Control Reminder


 

Plant and Insect Diagnostic Clinic Update - June 9, 2010


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


Insects


Colorado Potato Beetles Are Hard to Control


Recent phone calls indicate home gardeners are being frustrated (again!) by the Colorado potato beetle.  See the photos below.  For more on this native insect-turned-pest, see Horticulture and Home Pest News, June 4, 2008.

Now Is the Time to Deadhead and to Compost


It is time for the first round of deadheading in the garden. Early blooming plants are now setting seed and will benefit from removal of the seed heads.

Apple Scab Symptoms Starting to Appear


The cool, wet weather we have experienced this spring has created ideal conditions for the development of