2nd year maturity. Rosemary Culinary Herb Seeds. Salvia rosmarinus. Non-GMO. Heirloom. A woody and cold-hardy perennial known to live 15-20 years, culinary rosemary is one of the most persistent and wide-spreading herbs in the garden. Unlike other herbs that lose scent when dried and stored, the thin conifer-like rosemary leaves boast a fragrant-rich oil that retains aroma long after harvest. An ideal aromatic, savory, and drought tolerant ornamental. ~14,000 seeds/oz.