65 Days to maturity (from transplant). Solanum lycopersicum. OP Chelsea Tomato Seeds. Non-GMO, warm season annual, open-pollinated, indeterminate cherry tomato. Suitable for growing in garden plots, raised beds, and greenhouses. An open-pollinated American-bred selection from the original Sweet Chelsea F1 tomato. This selection produces large yields of cherry tomatoes that are smaller than the Chelsea F1. ~7,500 seeds/oz.