Person holding tomato plant with ripe and unripe tomatoes - Kateryna Dziavoruk/Getty Images Tomato plants don't hide their problems. Leggy plants are getting too much nitrogen, cracked fruit indicates ...

Q: What causes curled, twisted leaves on my tomato all of a sudden? Is this a virus? It’s only on the youngest growth. A: Plant viruses and virus-like organisms (phytoplasmas) can cause weird symptoms ...

Black spots on tomato leaves are usually caused by fungal diseases like Septoria leaf spot or early blight, which thrive in warm, humid weather and can reduce yields or kill plants if untreated. Treat ...