UPDATE-- September 22, 2021
Late blight reports in the US remain very limited. There is some in southern Ontario, Canada, but that is still quite far from us. Looks like we made it through the season with no late blight!
Late Blight is a serious disease of tomatoes and potatoes. Check here weekly for an update on the disease--the more you know, the more you can take steps to keep this deadly disease in check.
To learn more about late blight disease, click here
To manage late blight, check out this factsheet: Click here
To find late blight resistant tomato varieties, click here
To find where late blight is in the United States, check out usablight.org and scroll down for the occurrence map.
Check out this discussion of how to manage late blight: click here
There are a lot of late blight "look alikes" -- here is how to figure out what you have: http://www.longislandhort.cornell.edu/vegpath/photos/diagnose.htm
Late Blight FAQs click here
Agriculture Agent and Horticulture Educator
607-223-2753 or 607-793-6414 during business hours
Last updated September 22, 2021