Septoria Leaf Spot and early blight can cause black spots on tomato plant leaves. Learn the cause of these fungal diseases, how to treat them, and how to prevent black spots on tomato leaves.

While tomatoes are relatively easy to grow, there are a few diseases you should keep your eye out for. Three of the most ...

Early blight and septoria leaf spot are the most common. A third disease, late blight, is a less common but much more serious infection that occurs during cool, moist years.

With a bit of preventative care and attention, you can enjoy a healthy harvest and maybe even earn bragging rights for the ...

This summer, although a few tomatoes have begun to appear, my heirloom varieties looked strange, and I couldn’t understand ...

Cultural controls help to prevent early blight and other tomato issues. Never work around wet plants. Slow early blight by removing infected leaves along with their stems (I sterilize my shears ...

Early blight of tomato has been seen on the variety called Big Boy but is probably on others as well. If left alone, this disease will first cause yellowing on older leaves, followed by gray or ...

Early blight. This disease occurs wherever tomatoes are grown and can be quite damaging in the Southeast. Early blight is caused by a fungus and can occur on the leaves, stem and fruit of the tomato ...

Early Blight (Alternaria solani) - presents itself as dark, concentric circles ¼ to ½ inch on lower leaves and stems, spots on the fruit near stems and the lower leaves yellow and drop away. It ...

Joe C. wrote and asked about early blight on tomatoes. He was particularly interested in its life cycle and whether it overwintered in our area. This is a great question, and one I'm sure all of ...