Recently added item(s)
You have no items in your shopping cart.
Personalize your experience with Penn State Extension. Subscribe today!
Save For Later Print
Key plants, ones that frequently have diseases, should be monitored on a regular basis. Key plants should not be used in the landscape if one goal at the site is to minimize the amount of maintenance work required to assure the site looks well at all times.
Key diseases (in bold) are those that frequently occur on the plants. The other diseases listed sometimes occur. The following list of key plants and their key diseases was compiled from over 10 years of records from the Penn State Plant Disease Clinic.
is a 90 page, pocket-sized guide to the key diseases of the key plants noted above. The guide contains 109 color photographs of the key diseases. Cost = $7
How to Order:
call toll-free 877-345-0691 from 8:00 a.m. to 4:30 p.m., Monday through Friday We accept all major credit cards, including MasterCard, VISA, Discover, and American Express. Checks and money orders payable in U.S. currency are also accepted.
Publications Distribution Center112 Ag. Administration Bldg.University Park, PA 16802$7.00 (plus shipping and handling). Make checks payable to Penn State University.
Thank you for your submission!