answer:Ornamental pepper plants are annuals that grow best in warm areas., so I would guess that your plant has borne fruit and lived it’s life, or “Ornamental pepper plants are susceptible to leaf spot and wilt diseases, especially when grown in wet soil and in areas with poor air circulation. Once a plant is infected, it is best to remove and destroy it to prevent the spread of disease. Do not replace the plant with another ornamental pepper.” Same source.