Person holding tomato plant with ripe and unripe tomatoes - Kateryna Dziavoruk/Getty Images Tomato plants don't hide their problems. Leggy plants are getting too much nitrogen, cracked fruit indicates ...

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 ...

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

Black spots on tomato leaves are usually caused by fungal diseases like Septoria leaf spot or early blight, which thrive in warm, humid weather and can reduce yields or kill plants if untreated. Treat ...

Amanda Blum is a freelancer who writes about smart home technology, gardening, and food preservation. Previously, Amanda has worked as a technology strategist specializing in problem solving and ...

It's a great feeling to walk out to your garden and pluck a ripe tomato for lunch. But there's nothing worse than noticing your plants have succumbed to blight.

Q • The lower leaves of my tomatoes are turning yellow, and they have small black spots on them. Some of the spots are grayish white in the center and brown on the outer edges with a yellow ring ...

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 ...

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 ...