Tomato plants need about a gallon of water per week. Too much water can cause leaves to wilt, among other problems. Take a leaf to your local cooperative extension office or full-service garden center for inspection and advice to rule out any possible blight, pest or infection problems.
About this Author
Bobbi Keffer attended Kent State University, studying education but soon found her true love to be in the garden. She prides herself on her frugal skills, re-using, recycling, and re-inventing her whimsical style in her home and garden.