Grow your own sweetener! Close to 300 times sweeter than sugar, this herbal alternative can be used fresh or dried, as a powder or a liquid. A tender perennial that can winter outside in zones 9 - 11 or be brought inside in pots to keep for winter use in colder climates. Bushy plants with strong yields of dried leaves. Transplant outdoors in spring after low temperatures are above 45°F. 75M seeds/oz.