Pepper Seeds - Hot - Japanese - Yatsufusa. Heirloom, Non-GMO. Capsicum annuum. 70-80 days. Warm season annual. Yatsufusa is a hot specialty pepper that originated in Japan and is also known as chilies Japones. The peppers grow in upright clusters of 5-6 at the top of an 18-24" tall multi-branched plant and have a flavor similar to cayenne or Thai peppers. ~ 6,375 seeds / oz.