Q.Why Is My Tomato Turning Black?
Balcony garden. Love my plants. when I cut open the tomato, a portion of it is black as well.
Certified GKH Gardening Expert
Blossom End Rot comes from the plant's inability to take up calcium. This can have factors that range from wet soils, to pH issues, to actual deficiencies. Test your soils for these factors, first. These articles will help:
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-soil.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/soil-ph-plants.htm
https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/testing-moisture-in-plants.htm
https://www.gardeningknowhow.com/edible/vegetables/tomato/tomato-blossom-rot.htm
This article will help you to grow tomatoes to their potential:
https://www.gardeningknowhow.com/edible/vegetables/tomato/growing-tomatoes-guide.htm
To download a free, comprehensive e-book about growing tomatoes, visit this link:
https://blog.gardeningknowhow.com/ebooks/essential-guide-to-growing-tomatoes/