The person is a first-time cherry tomato grower and is concerned because their cherry tomatoes are turning black. They are unsure if this is normal. There could be several reasons why the cherry tomatoes are turning black. One possibility is a condition known as blossom end rot, which is a common issue with tomatoes caused by a calcium deficiency. Another reason could be a fungal infection, such as early blight or late blight, which can cause the tomatoes to develop dark spots. It could also be due to overwatering, underwatering, or a lack of sunlight.
To address the issue, the person should first check the soil to ensure it has adequate calcium levels. They should also check for signs of fungal infections and make sure the plants are receiving the proper amount of water and sunlight. In some cases, it may be necessary to treat the plants with fungicides to prevent further damage.
Overall, it is important for the person to monitor their cherry tomato plants closely and take steps to address any issues that may be causing the tomatoes to turn black. With proper care and attention, they should be able to improve the health of their plants and ultimately enjoy a successful harvest of cherry tomatoes.