Gardening > Plant HealthSeptember 01, 2009

Black Spots on Tomatoes

Can anyone tell me why my tomatoes are showing black spots and bottom rot? Is there a fungus in my soil? Is there too much moisture? Should I have my soil tested?

Hardiness Zone: 5a

By Bosherbob from Colonie, NY

Answers

Read answers for this post below.

By
09/04/2009

Your tomatoes are suffering from Blossom End Rot. Primary cause is a lack of calcium in your soil. Check with your local gardening store or google Blossom End Rot. You can also start adding your egg shells to your soil, or mix them with water for your watering routine.

By
09/02/2009

That is blossom end rot, and I do not know of any 'natural' treatments for it, but there are products at Walmart, and home/garden centers, and farm supply stores to treat it. Best of luck to you!

By
09/01/2009

I think it's a virus. Next year, use a different type tomato, plant in a different area, and don't put the diseased plants in your compost pile.

Questions

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Tomatoes Turning Black on the Bottom

Not all my tomatoes have black on the bottom, but enough to be concerned. What do you think the problem is? Should I just pick the ones that have the black on the bottom or let them grow out as they get bigger? Thank you.

By William

 

Most Recent Answer

By angeltea9 08/14/2011

I've had those nasty spots on All my larger tomatoes in the past;last year & the year before-but not on my cherries! And they were in the same plot! I will definitely put eggshells in from now on. I've been putting them into most of my garden beds for my other veggies.My Tomatoes are in 2 Topsy-Turvy's this year-store bought plants. But I planted some tomato seeds in a large container & used good soil in all of the containers.Don't forget to plant Merigolds in w/your tomatoes-they help keep bad bugs out! Thanks for the Great tips.And Good Luck to us all! : )

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The leaves on my tomato plants are turning yellow and dying and some of the tomatoes are black on the bottom. However, new leaves are growing up the side of our house. What can I do to stop the yellow leaves and black on the bottom of the tomatoes?


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