Black Spots on Tomato Plant Leaves

June 24, 2010

Tomato plant and stalk with black spots from Early Blight.I have a tomato planted in a pot and now it has black spots all over it. What can I do? Is it a bug?

Hardiness Zone: 9a

By carole from Klamath, CA



June 27, 20100 found this helpful
Best Answer

My nanna says that to get rid of Black Spot on roses; mix 1 cup water, 1 tablespoon bi-carb soad/baking soda and spray on the leaves and around the plant. Not sure if this is the same sort of black spot, but I highly doubt it would damage your plant if you tried anyway.

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June 24, 2010

I have Roma and Grape tomato plants that have loads of fruit on them -- the vines are another story! They were all in good shape until a month ago, when leaves started turning yellow with black spots. I sprayed some insecticidal soap on them a few times, and cut off the bad foliage but they continued to deteriorate.

Roma Tomatoes


2 More Questions

Here are the questions asked by community members. Read on to see the answers provided by the ThriftyFun community.

June 15, 2016

I have a tomato plant with leaves that are turning yellow with black spots. I transplanted it two weeks ago into a plastic container.

I don't have any green space to plant it in ground. What is the problem and what do I do?


Bronze Post Medal for All Time! 107 Posts
February 28, 20170 found this helpful

This looks like a disease. ANy number of plant antifungals should help. As well, water the tomatoes a lot but during the early day so that the moisture at night does not contribute to the problem.


Tomato food, crushed eggshells and enough water and sun should create a healthy plant that does not have so many problems.


Gold Post Medal for All Time! 677 Posts
February 28, 20170 found this helpful

This is a disease. You need a fungicide.

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