Also known as "Spinach Mustard", "Tendergreen" is an heirloom mustard with a mild flavor that can be used just like spinach. Heat and drought resistant, "Tendergreen Mustard" seeds can be planted virtually in any zones.  Harvest in about 21 days for a baby size and 45 days for a full size. Germination rate about 80% and better. David’s Garden Seeds is a Veteran owned business that has been offering quality seeds since 2009.