Gardening > Growing FoodJune 01, 2010

Brown Spots on Ripening Tomatoes

Why do I have rotting (dark) spots on the base of my tomatoes? They are in an earth box.

Hardiness Zone: 10a

By Catherine from Port St Lucie, FL

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Brown Spot on the Base of Ripening Tomatoes

My tomatoes, as they ripen, acquire a black/brown area at the base. What is this? and how can I prevent it?

By John P

 

Most Recent Answer

By knitter06040 12/17/2011

Blossom end rot and it's caused by a calcium deficiency. You can buy stuff but a cheap and easy way to prevent it is to put a handful of crushed eggshells in the hole before you plant the tomato. The calcium feeds the plant all season and it doesn't cost a penny.

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My tomatoes are beginning to get color but on the bottom of each tomato is a brown spot that grows as the tomato ripens. The inside of the tomato at the bottom is black. Any ideas?


I can't figure out why my tomatoes are turning black. I already watered them with Epsom salt a month ago. Can anybody help?


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