Perpetual Spinach Swiss Chard takes about 50 days to mature. This green just keeps on giving, hence the name. You can keep cutting once or twice a week before bolting. A great producer of greens! Great news for our northern gardener friends. this Heirloom variety is very cold tolerant so you can plant early or late. The Perpetual Spinach Swiss Chard is a great addition to your garden as well as being Non-GMO, beyond organic, and Heirloom. Happy growing!!!