Calibrachoa Superbells Red offers thousands of heat-tolerant, self-cleaning, miniature petunia-like red flowers with yellowy-green throats. These beautiful lipstick-red-colored flowers will have you in disbelief of their sheer numbers. Superbells Red is heat-loving, self-cleaning, and will thrive if provided a sunny location, well-drained soil, fertilizer, and proper watering.