Natural Fertilizers

Helps stop ugly blossom end rot.
What is the ugly black spot on my tomatoes? We get asked this question dozens of times during the tomato growing season. Lack of calcium is the main reason blossom end rot occurs. Rot-Stop is a quick and effective way for gardeners to apply nutritional calcium to their tomato plants. Simply apply the ready-to-use spray on the developing fruit and foliage.