Disease

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  • Close-up of tomato plant with upward curled green leaves showing physiological leaf curl stress on vine

    Why Are My Tomato Leaves Curling?

    “My tomato plants have leaves curling upwards along the edges. Why?” Questions from Andy of Zionsville, Indiana Answer: Based on your photo, your leaf curl appears to be caused by something in the environment rather than a disease. There is a…

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