Why are my tomatoes rotting before they ripen?

Answer

A common cause of tomatoes rotting before they ripen is blossom end rot. This is caused by calcium deficiency in the plant, but watering, either from nature or from the gardener, is most commonly to blame rather than the lack of calcium in the soil.

In most cases of blossom end rot, a lack of rain or watering causes the soil around the plant to dry out. Once the plant wilts, the gardener waters it. Tomato plants are resilient and often bounce back in this situation. However, damage has already been done to the plant. The roots are unable to absorb calcium from dry soil, and rot appears once the fruit forms.

Too much water can also dilute the calcium in the soil, leading to blossom end rot. In this case, side-dressing the plants with a bone meal can help increase calcium within the soil. Blossom end rot sprays, which can be directly applied on the foliage, can also help.

It's important to remove any fruit with blossom end rot. This fruit will continue growing and using the plant's energy. Removing the fruit allows the plant to use the energy to produce new fruit that will hopefully be free of rot.

Q&A Related to "Why are my tomatoes rotting before they ripen?"
Crown rot begins with the wilting and yellowing of leaves on the tomato plant. As the disease progresses, it will begin to affect the fruits, starting close to the stem end of the
http://www.ehow.com/info_8199482_tomatoes-rotting-...
This is tomato blossom end rot due to calcium deficiency in the developing fruit. Particularly in pots, it is almost always a result of uneven watering and a resulting deficiency
http://wiki.answers.com/Q/Why_tomatoes_are_rotting...
Additionally, if you feed it with an organic fertilizer such as Tomatone, beneficial microbes will attach to the roots and predigest the minerals like calcium, making it easier for
http://answers.yahoo.com/question/index?qid=201307...
If the 'rot' is on the bottom of the tomato and it is hard to the touch, it is 'blossom end rot' it is caused by a lack of calcium in the soil or erratic watering.
http://www.quora.com/Why-are-my-tomatoes-rotting-o...
1 Additional Answer
Ask.com Answer for: why are my tomatoes rotting before they ripen
Why Are My Tomatoes Rotting Before They Ripen?
Tomatoes are a true summertime treat. They are commonly grown by home gardeners, and they are reasonably easy to care for and harvest. However, there are a few afflictions that home gardeners should watch for. These afflictions can cause the tomato plant... More »
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The reason your tomatoes are rotting on the vine could be due to: calcium deficiency, which could be symptomatic of the blossom end rot disease or they could have ...
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