A picture of leaves with leaf spot disease. - Boyloso/Shutterstock Have you noticed discolored spots or lesions on the leaves of your plants? This could be leaf spot disease, and it's wreaking havoc ...

Understanding Septoria Leaf Spot. Do you have brown or black spots on your tomato leaves? It could be septoria leaf spot.

Q: I get some kind of leaf disease on my hydrangea bushes every year. I have about 15 of them in various garden locations. They start out fine but end up covered with these spots by mid-season. I ...

Tomato leaves will begin showing signs of leaf-spot diseases soon if they haven’t already, Kansas State University horticulture expert, Ward Upham said. Brown spots on the leaves indicate Septoria ...

Every maple tree in my yard has spots, all the way to the top. Are they doomed? Can I do anything? And my buckeye tree leaves are already turning brown, like it was autumn. What to do? -- Dorene Davis ...

My witch hazel started getting brown spots all over the leaves. What is this and what should I do? A: That looks and sounds like a fungal disease, cleverly called "leaf spot" because that's the most ...

Q. The magnolia in our backyard doesn’t seem to be thriving. The branches and leaves aren’t as thick and lush as they were a year or so ago. And when I looked closely I realized there are spots on ...

It’s a sign of the times: spots and dots appearing before our very eyes, seemingly overnight. No, it’s not your vision failing you, and there’s no need to clean your glasses. We’re dealing with ...

Gray leaf spot of corn is caused by the fungus Cercospora zeae-maydis. The fungus is now widespread in Indiana and the Eastern Corn Belt (Midwest). Weather strongly influences development of gray leaf ...

Question: Brown spots are appearing on the leaves of my tomato plant. The tomatoes are still small and green. Last year these same spots appeared, and the leaves died, and the tomatoes stopped growing ...

Purdue Landscape Report: Aspen, cottonwood, and poplar are all names for the fast-growing Populus tree species. Used widely for building materials, these trees are often located around ponds, ...

The Florida winter golf season is in full swing, and, while the golfers are out there, many courses report that rounds continue to be down. Even with diminished rounds, typical winter season concerns ...