Gray mold (causal agent = Botrytis cinerea) is one of the most common diseases affecting bedding plants. Host commonly include (but are not limited to): begonia, carnation, chrysanthemum, cyclamen, geranium, impatiens, marigold, million bells, petunia, vinca and zinnia. Fortunately, gray mold is one of the easiest diseases to manage. By changing cultural conditions that are…Read more about Gray Mold of Bedding Plants[Read More]
Resources for landscapes and gardens in the Midwest
Landscape Report
Many are familiar with Rhizosphaera needlecast of spruce. If you aren’t, please see these two articles by Janna Beckerman and Megan Haas for more information about the disease and it’s management on spruce. The common name for the disease, needlecast, describes the ultimate fate of the needles: they are cast off. Loss of leaves or…Read more about Needlecast Diseases: Not Just a Spruce Problem[Read More]
Late frosts and wet weather were especially hard on oaks this spring. Surviving leaves on many oaks did not grow normally. Sustained warm weather in the summer will allow oaks to grow past their injury and thrive. Oak tatters is a common response to cold snaps in the late spring. Leaf growth is distorted. Affected…Read more about Oaks Will Persist After Ugly Summer Start[Read More]
It is the policy of the Purdue University that all persons have equal opportunity and access to its educational programs, services, activities, and facilities without regard to race, religion, color, sex, age, national origin or ancestry, marital status, parental status, sexual orientation, disability or status as a veteran. Purdue is an Affirmative Action Institution. This material may be available in alternative formats. 1-888-EXT-INFO Disclaimer: Reference to products in this publication is not intended to be an endorsement to the exclusion of others which may have similar uses. Any person using products listed in this publication assumes full responsibility for their use in accordance with current directions of the manufacturer.
Sign-up to receive email news and alerts from Purdue Landscape Working Group:
This is US
For More Information
Purdue Home Page
Purdue Extension
Find your county office
