Add Yahoo as a preferred source to see more of our stories on Google. JJGouin / Getty Images Twisted or curled leaves on tomato plants can be caused by environmental stress, chemical exposure, or ...

Add Yahoo as a preferred source to see more of our stories on Google. Curling tomato leaves are definitely not something to ignore. Loads of lush foliage help your plant produce all the deliciously ...

If the leaves on your tomato plants look like they are trying out for a part as a Dalmatian pup in the school play, trouble lies ahead. Caused by fungal infections, if the black spots spread, they can ...

Foliar leaf spot diseases and blights of tomato plants are common problems for tomato growers in Delaware and the Mid-Atlantic States. Pathogens survive in plant debris or weed hosts, and are favored ...