- Known as spinach mustard because of its thick, smooth, upright leaves with a much milder flavor than regular mustard greens.
Brassica rapa var. perviridis (45 days) Tendergreen is also known as spinach mustard because of its thick, smooth, upright leaves. It is much milder in flavor than regular mustard greens. Approx. 15,000 seeds per ounce.
