0.2g (Approx. 900) Watercress Seeds Bot.: "Nasturtium Officinale" Oldest Known Leaf Vegetables Consumed By Humans 'Fresh Seeds - Best Before 12.2017!' Perennial old-fashioned heritage leaf vegetable, valuable spice and medicinal herb. Watercress contains significant amounts of iron, calcium, iodine, and folic acid, in addition to vitamins A and C. Because it is relatively rich in Vitamin C, watercress was suggested (among other plants) by English military surgeon John Woodall (15701643) as a remedy for scurvy. Watercress is one of the oldest known leaf vegetables consumed by humans!!! Organic, Heirloom , GMO free. Untreated seeds. Botanical name: Nasturtium officinale Envelope content 0.2 g of seeds (approx. 800 - 1000 seeds)