August 19, 2020
You waited all season for that first red ripe tomato only to discover less-than-perfect fruit. Don't worry, you can still have a great harvest and improve things for next season.
Blossom end rot is a common problem on the first set of fruit. The bottom of the tomato turns black. This is not caused by a disease but is the result of a calcium deficiency in the developing fruit. This deficiency is usually caused by fluctuations in water uptake by the plant. Fluctuating soil moisture, damage to the roots, excessive nitrogen fertilizer and high humidity can all impact water and calcium uptake an...