Who put this disgusting black scab on the bottom of my beautiful tomato? Blossom end rot is caused by two things: a lack of calcium and inconsistent watering. However, you can still save the plant and any remaining tomatoes it produces. Put all rotten tomatoes in your compost and cut your losses.
Bottom Rot on Tomatoes in Containers | Home Guides | SF Gate
More Tomato Growing Tips What causes blossom end rot? Blossom end rot is caused by the tomato plant not being able to get enough calcium to the developing fruit. This calcium deficiency is not caused by a plant disease like a fungus or bacteria. Blossom end rot may occur in tomatoes, peppers, melons, eggplants, squash and cucumbers.
Bottom end rot, or blossom end rot as it is commonly known, is not caused by bacteria or a virus, but by environmental conditions. An otherwise normally developing fruit develops a tan or brown spot on the bottom. The spot spreads and becomes thick and leathery. Blossom end rot is a common problem in container-grown tomato plants, but the solution is as close as your watering can.
Image by Scot Nelson Have you noticed tomato fruit that looks rotten on the bottom? A common problem in the garden, especially when growing tomatoes , and a commonly asked about topic, blossom end rot is usually seen in half grown fruits or early on in the season. So what is tomato blossom end rot and what, if anything, can be done about it? Read on to learn more.