Pepper Seeds - Sweet - Manganji. Heirloom, Non-GMO. Capsicum annuum. 80-90 days. Warm season annual. Manganji pepper is one of the designated traditional specialty vegetables of Kyoto, Japan. These vegetables are called kyo yasai or dento yasai. Many of these vegetables have existed for hundreds of years. This Japanese pepper has a thicker wall than the fushimi and shishito peppers. ~3000 seeds an ounce.