Add Yahoo as a preferred source to see more of our stories on Google. Black spots on tomato leaves are usually caused by fungal diseases like Septoria leaf spot or early blight, which thrive in warm, ...

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 ...

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Your photo and description indicate Septoria leaf spot, which is very common on Rudbeckia and is prevalent in Illinois. The disease begins on lower leaves and progresses up the plant but does not ...

Tomato disease can be traced to one of four causes: fungal, bacterial, viral, and environmental. Learn to identify them and ...

Pennsylvania’s No. 1 home-garden vegetable crop‚ tomatoes, should be hitting peak form this week and churning out trusses full of juicy, ripe fruits. However, this long-time summer pleasure is being ...

You should be harvesting a bounty of tasty, juicy tomatoes from the home garden in August. It’s one of gardening’s top rewards. If not, don’t despair because tomatoes aren’t as easy to grow as they ...

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 ...