September 24, 2014

The Easter holiday falls on April 5th in 2015. Easter Sunday always falls on date ranging from March 22nd at the earliest to April 25th at the latest. Holidays from April 3rd to April 15th are considered mid-date for the purpose greenhouse forcing.

Topics: Cultural Practices, Insects and Mites Content Type: Update
September 17, 2014

The arrival of cool temperatures reminds us that it won't be long before perennials will need covering for winter protection. Overwintering perennials for the first time? The process for successful overwintering begins with healthy plants.

Topics: Cultural Practices Content Type: Update
September 6, 2014

Cool night temperatures, warm day temperatures and heavy dew are favorable for many foliar diseases including Bacterial leaf spot, caused by Pseudomonas cichorii on garden mums. Symptoms appear as black spots on foliage concentrated at the base of the plant. The spots often begin at the leaf margin but may also occur randomly. The spots are soft when tissue is wet and sunken and brittle when leaves dry. From the leaf, the bacterium can move through the petiole and into the stem resulting in a canker.

Topics: Diseases Content Type: Update
August 12, 2014

Monitor root health and test growing media of garden mums. Take random samples of plants out of their pots and examine roots carefully. The roots tell a lot about overall plant’s health, often before the top growth shows symptoms. Signs of poor root health are blackened or rotted roots or the lack of roots, especially young feeder roots. Diseased roots will not take up fertilizer.

Topics: Diseases Content Type: Update
August 12, 2014

The familiar imported cabbage worms adults can be seen fluttering above ornamental cabbage and kale. The adult is a white butterfly tinged with yellow on the underside of its wings.

Topics: Insects and Mites Content Type: Update