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Yard and Garden: Lawn Mowing Tips

April 30, 2014

AMES, Iowa — Proper mowing practices play a vital role in helping to maintain a healthy, sustainable home lawn. Horticulturists with Iowa State University Extension and Outreach answer questions about lawns and lawn mowing. Homeowners and gardeners with lawn questions should contact horticulturists at Hortline by emailing hortline@iastate.edu or calling 515-294-3108.

What is the proper mowing height for a lawn? 

Emerald Ash Borer Confirmed in Jasper County

March 28, 2014

DES MOINES – Emerald Ash Borer has been positively identified in a residential tree in Newton in Jasper County from a larva sample collected on March 20, 2014. EAB kills all ash tree species and is considered to be one of the most destructive tree pests ever seen in North America.
 

Grasshoppers in the Home Garden

July 23, 2014

Grasshoppers are an occasional pest in Iowa farms and gardens.  The number of grasshoppers varies greatly from year to year and from place to place.  This appears to be one of the years when at least some growers and gardeners are going to see more than the usual number.

Control of Foliar Diseases on Tomatoes

July 25, 2014

Septoria leaf spot and early blight are common foliar diseases of tomatoes in home gardens.  Fungal diseases overwinter on plant debris in the soil.  Fungal spores are splashed onto plant foliage by raindrops or splashing water and invade the plant tissue when leaf surfaces are wet.  Rainy weather in spring and early summer favors development of foliar diseases on tomatoes. 


 

Turfgrass Rust

August 8, 2014

Rust is a fungal disease caused by several species of Puccinia.  All turfgrass species are susceptible to rust.  However, it is most commonly seen on perennial ryegrass and Kentucky bluegrass. 

 

From a distance, rust infected turf has a yellow-brown color.  Close examination of rust-infected grass blades reveals numerous yellow-orange pustules.  Rust can be easily diagnosed by walking across the lawn.  As one walks across the lawn, bright orange spores of the rust fungus rub off onto one’s shoes. 

EAB or Native Borer? New Publication Shows the Difference

July 1, 2014

AMES, Iowa — The Emerald Ash Borer is an insect that, in a matter of time, will destroy all ash trees. Because the bug has begun making its way across Iowa, an Iowa State University Extension and Outreach entomologist, in collaboration with an Iowa Department of Agriculture and Land Stewardship entomologist, has written a new publication to help Iowans identify signs of the pest under the bark.

Periodical Cicada Flagging - The End is Near!

July 1, 2014

“All good things must come to an end” and that includes the cicada emergence of 2014.  Most of us will be sad to see them go, though many living in the midst of the emergence will be relieved that the cacophony of cicada singing will soon be over. 

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