Knowledgebase

Tomato plant blight #909327

Asked July 10, 2025, 6:48 PM EDT

What is attacking my tomato plants? This blight started with the bottom leaves and is moving upward. I have included photos of the front and back of an affected leaf Can you advise how to address this, please Thank you

Hennepin County Minnesota

Expert Response

Tomato plants do tend to get diseases.  I am giving you a link.  For now, cut off the lower leaves and any infected leaves.  Clean your pruner and hands/gloves to avoid spreading it.  Place a mulch under your plant to prevent soil borne fungi splashing up.  Even glass clippings will work.  https://extension.umn.edu/plant-diseases/tomato-leaf-spot-diseases
Barbara, Anoka County MG, TCA Replied July 10, 2025, 7:25 PM EDT

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