February 10, 2020

Learn to Prune Trees Successfully with Video Instructions
By Jeff Iles, Department of Horticulture, Zach Clemens

Learn how to properly prune a shade tree. 

For the Love of Chocolate
A hand holding a pile of dried cocao beans.
By Cynthia Haynes, Department of Horticulture

Chocolate, along with roses, are standard gifts for Valentine’s Day. While chocolates are popular gifts, have you ever wondered how chocolate is produced and the origins of this tasty treat? 


Dried cacao beans in bags. Photo by Cindy Haynes.

Valentine’s Day Roses – Grown Globally
Red and yellow roses in vases.
By Kevin Duerfeldt, Department of Horticulture


Red and yellow roses. Photo by Cindy Haynes. 

New Gardening TV Show for Iowans
Aaron Steil and Cindy Haynes standing in front of a table with plants around them.
By Aaron Steil, Reiman Gardens

 


A new gardening show on Iowa PBS featuring Aaron Steil from Iowa State University’s Reiman Gardens and Cindy Haynes with Iowa State University Horticulture Extension will debut as part of Iowa PBS Festival.

Emerald Ash Borer Discovered in 2 More Iowa Counties: Audubon and Guthrie Counties
Map of Iowa showing current distribution of confirmed EAB infestations
By Donald Lewis, Department of Entomology

Emerald ash borer, the non-native beetle that attacks and kills ash trees has been confirmed in Audubon and Guthrie counties for the first time.  This brings the total to 71 counties in Iowa where this invasive insect has been detected.

The latest new-county discoveries occurred in rural Exira (Audubon County) and Casey (Guthrie County). Officials with the Animal and Plant Health and Inspection Service (APHIS) of the U.S. Department of Agriculture (USDA) confirmed collected samples positive for EAB.

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