This is a physiological problem that causes shriveled and poorly developed blossom ends of the fruit. It is caused by reduced calcium uptake and movement to the fruit during dry periods. To prevent blossom end rot maintain proper calcium levels through soil testing and maintain uniform, favorable soil moisture levels. Avoid root pruning plants by cultivating too close to the plants. Leaves are crinkled and mottled green.
Fruit can be misshapen and mottled also.
Plant resistant varieties to control this disease. Harvest tips All types of peppers will produce throughout the summer and into fall until frost. It usually takes 75 days from transplanting until the first peppers are picked. Bell peppers can be left to mature until they turn red for use in salads and relishes. But when peppers turn red, use them quickly.