Blossom-end rot is a common frustration for tomato gardeners. You set out your plants in spring. They grow well and appear healthy.
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.
Why are your tomatoes rotting on the bottom? Unfortunately, they probably have blossom-end rot. Calcium is needed for normal cell growth.
Blossom end rot is a troublesome disease, familiar to most gardeners who have grown tomatoes. The disease is often prevalent in commercial as well as home garden tomatoes, and severe losses may occur if preventive control measures are not undertaken. Symptoms may occur at any stage in the development of the fruit, but, most commonly, are first seen when the fruit is one-third to one-half full size. As the name of the disease implies, symptoms appear only at the blossom end of the fruit.
Right now they are loaded with tons of green tomatoes, and some of them are just starting to blush red. And then three days later, it all goes horribly wrong. There is nothing more disheartening than to see that all of your ripening tomato beauties or peppers or squash are now rotting from the bottom—right on the vine!
As tomatoes reach the half-grown stage, the fruits that may seem fine otherwise can begin to develop hardened brownish areas along the bottom. These gradually grow in size and turn leathery and black by the time the fruit ripens into redness. This symptom, which can also occur on related members of the nightshade family, such as peppers and eggplantsis usually a condition known as blossom end rot BER.
Most vegetable gardeners have dealt with blossom end rot. Tomato blossom end rot is most commonly seen on young plants and starts as a brown or black spot on the blossom end of the fruit. The spot will usually get larger and continue to rot if the fruit is allowed to remain on the plant.
From his early days, Brandon helped his grandmother in her garden. He was always passionate about tomatoes. Are your tomatoes turning black on the tip?
A water soaked spot at the blossom end of tomato fruits is the classic symptom of blossom end rot. This relatively common garden problem is not a disease, but rather a physiological disorder caused by a calcium imbalance within the plant. My heirloom tomatoes are starting to ripen but they have ugly black spots on the bottom.