80-85 Days to maturity. Perilla frutescens. Red Shiso Herb Seeds. Non-GMO, organic, annual. Shiso is grown as an annual herb with a distinct flavor often described by people as similar to coriander, mint, basil, or cinnamon. May be grown as a perennial in zones 10-11. It is commonly used in Japanese and other Asian diets. It has many culinary, ornamental, and medicinal properties, which make this useful plant a favorite among all who tend it. ~25,000 seeds/oz.