Yahoo: Why Your Tomato Plant Leaves Are Turning Yellow—and How to Fix It, According to Experts Why Your Tomato Plant Leaves Are Turning Yellow—and How to Fix It, According to Experts Yahoo: Why Seeing Your Tomato Plant's Leaves Turn Purple Is Cause For Concern Why Seeing Your Tomato Plant's Leaves Turn Purple Is Cause For Concern We may receive a commission on purchases made from links. Tomato plants don't pull any punches. If they're unhappy, they tend to display their displeasure.

Understanding the Context

Their stems may sag or turn purple. Their ... Penn Live: Are your tomato plants turning yellow and spotted? Here’s what to do Are your tomato plants turning yellow and spotted?

Key Insights

Here’s what to do Palo Alto Weekly: Ask a Master Gardener: ‘Why are my tomato plants turning bronze?’ Healthy tomatoes grow in a garden. The leaves and stems of those infected with tomato russet mites typically turn bronze and then brown. Photo courtesy Getty Images. Do you have a gardening question? inforum: What is causing the leaves to curl on my tomato plants?

Final Thoughts

Q: I’m hoping you might be able to identify the problem with my tomatoes. The leaves are curling on four of my seven plants. Two are Celebrity and two are Jet Star. The other three are fine. Hopefully ... 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 ...