Tendergreen Mustard Seeds 1 Package = 2 g Of Seeds Package contains approximately 1,200 Tendergreen Mustard Seeds. Milder than regular mustard greens, this variety has thick, smooth leaves on upright, heat and cold tolerant plants. Its tender leaves, as well as its flowering stems, are used raw or cooked, and have a flavor between mustard greens and cabbage. Mustard seeds can also be used as a spice.