September 25, 2015

Plant and Insect Diagnostic Clinic Update - September 25, 2015


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

Butterfly / Pollinator Gardening Pamphlet Available


The recently-revised Iowa State University Extension and Outreach publication, "

Emerald Ash Borer Confirmed in Dubuque County and Expanded Distribution in Mahaska County, Iowa


The emerald ash borer, a destructive and invasive insect of ash trees, has been confirmed in 28 of Io

Fall Nuisance Invaders Are On the Move


As the days grow short, temperatures cool and plants in the landscape senesce, many insects and arthropods move to find overwintering habitat.

Planting Depth and Spacing of Spring-flowering Bulbs


The array of spring-flowering bulbs includes tulips, daffodils, crocuses, hyacinths, snowdrops, and flowering onions.  By planting a variety of spring-flowering bulbs, gardeners can enjoy bl