November 11, 2016

Maintain Houseplants During Winter

Houseplants provide much-needed beauty and color indoors during winter, but they require special care to keep them vibrant during over winter.  See the Iowa State University Extension and Outreach yard and garden news release from November 2, 2016 for tips on caring for houseplants in winter.

Prepare Strawberry Plants for Winter

Pre-winter care and preparation is required to help strawberry plants survive through the winter in Iowa.  Learn more about what must be done during fall to protect strawberries in gardens, raised beds and containers in the Iowa State University yard and garden news release from November 9, 2016.

Pruning Oak Trees

Oak trees are valuable assets in the home landscape.  Occasionally oak trees need to be pruned for health, safety, and appearance reasons.  Two important aspects of pruning are timing and technique. 

Tree Planting Guide Published

The Iowa State University Extension and Outreach publication "Community Tree Planting and Care Guide" (HORT 3054) has been revised and is available through the Extension Store.


Plant and Insect Diagnostic Clinic Update - November 11, 2016

The following are highlights and updates about samples and questions recently received in the Plant and Insect Diagnostic Clinic. Visit the PIDC's Facebook page to ask questions and for updates and more pictures.

Cankers and Diebacks With One Common Suspect: Botryosphaeria

1. Fungal bodies on twigs (black dots), 2. leaf spot close-up with fungal bodies, 3. canker on twig, 4. fungal spres

Botryosphaeria fungus can cause blister-like structures under the bark of twigs, bark sloughing, cankers, leaf drop, diebacks and fruit rots on tree fruits.