January 17, 2014

Plants for Shady Areas


It's still cold outside but now is the time to admire garden catalogs and plan for next year’s garden.  Those shady locations in your garden need annuals, perennials and ground covers ad

Emerald Ash Borer Confirmed in Union County, Iowa


The emerald ash borer (EAB) was positively identified on December 19, 2013 in a residential tree in the city of Creston, IA making this the fifth location (see map below) where the inv

Does Extreme Cold Weather Kill the Emerald Ash Borer?


Iowa's recent experience with the Polar Vortex and extremely cold temperatures and wind chills has caused some people to ask, "Will this cold freeze out the EAB population in Iowa?" 

Care of Amaryllis After Blooming


Amaryllis are popular flowering bulbs grown indoors during the winter months for their showy flowers.

How to Be an Informed Landscape Pest Management Consumer


Whether it is an exotic insect pest (e.g., emerald ash borer, gypsy moth, or Asian longhorned beetle), serious plant pathogens (e.g., oak wilt, bur oak blight, sudden oak death, or thousand cankers

Growing Geraniums from Seeds


Geraniums have been a popular bedding plant for many years.  Most gardeners purchase plants from garden centers and greenhouses.  However, geraniums can also be grown from seeds.  Se

Plant and Insect Diagnostic Clinic Update - January 17, 2014


The following are highlights and updates about samples and questions recently received in the Plant & Insect Diagnostic Clinic.