Common garden cress, or peppergrass… Payne AC, Clarkson GJJ, Rothwell S and Taylor, G (2015). Watercress contains iodine and high levels of vitamin K so should be included in your diet although it must be cooked when found in the wild. All types should overwinter in this area. Packages of watercress are stocked in some supermarkets and it may be available fresh, by the bunch, at farmers' markets and greengrocers. [3] Despite the Latin name, watercress is not particularly closely related to the flowers popularly known as nasturtiums (Tropaeolum majus). These differ in their expression suggesting that large variation exists across the watercress collection and that it is likely that further varieties will be made available to the UK consumer. The stems are usually green but can be red to purple. Watercress is a rapidly growing, perennial plant native to Europe and Asia. I belong to a fly fishing club in the U.K. and this hot (2018) summer there has been so much watercress on our rivers that trout fishing in August through to October has been almost impossible to carry out. Fools Watercress, pictured, although a crush and smell of the leaves of Fools Watercress will reveal a strong smell of carrot, it is also edible so confusing the two is not a dangerous mistake to make. Since 2017 Gail Taylor has been employed by and based at The University of California, Davis, where she is Professor and Chair of the Department of Plant Sciences. Please note that each and every hedgerow item you come across may vary in appearance to these photos. If you have access to a slow moving brook, sow watercress seeds (or transplant store-bought) along the margin of the brook, using small stones to hold plants in place. The leaf structure is pinnately compound. A team of researchers from the University of Southampton will be attending The Watercress Festival in Alresford this weekend (Sunday 15 May) to talk about their latest work in developing new watercress varieties. NASTURTIUM (Tropaeolum majus) is grown both for its delicious gold to scarlet … Watercress was one of the first green vegetables we have evidence of early humans eating. At the same time, the group has gone back to old-fashioned plant breeding and selection and made new crosses between different watercress types to come up with a whole array of leaves that are now being investigated for their chemo-preventative (anti-cancer) properties. This packaging method has allowed national availability with a once-purchased storage life of one to two days in chilled or refrigerated storage. Watercress or yellowcress is a species of aquatic flowering plant in the cabbage family Brassicaceae. In addition to watercress (Nasturtium officinale) there's. Watercress is listed in some sources as belonging to the genus Rorippa, although molecular evidence shows those aquatic species with hollow stems are more closely related to Cardamine than Rorippa. Lesser  Water Parsnip, Berula erecta is more upright, smells of parsnip and has rings around the stems at the leaf nodes but is not poisonous. When collecting Watercress from the wild it must be cooked as out of site upstream there might be sheep and if so there is the potential for liver flukes, which can cause fascioliasis, a nasty liver disease. The hollow stems of watercress … Required fields are marked *. Associate Professor in Ecology and Evolution, Data Protection and Freedom of Information. of composted soil or peat moss . Steaming or microwave cooking retains these phytochemicals, however.[9]. Watercress (Nasturtium officinale), perhaps the most popular of the edible cresses, is a hardy creeping perennial plant, native to Europe but extensively naturalized elsewhere in streams, pools, and ditches. Watercress can also be grown in consistently wet soil with a soil pH of 6.5-7.5 in full sun, or you can mimic natural conditions by growing watercress plants in a bucket or other container. The town of Alresford, near Winchester, is considered to be the nation's watercress capital. Comment document.getElementById("comment").setAttribute( "id", "a5480fefe60b384940e909fe4ee1bcc1" );document.getElementById("c23b691536").setAttribute( "id", "comment" ); Watercress looking tasty but remember it must be cooked before consumption to safeguard against liver flukes. Watercress (Nasturtium officinale), perhaps the most popular of the edible cresses, is a hardy creeping perennial plant, native to Europe but extensively naturalized elsewhere in streams, pools, and ditches. Characterization of the watercress (Nastursium officinale R. Its botanical name is Nasturtium officinale. Fresh watercress is used as a salad green and sandwich filling. It is one of the oldest known leaf vegetables consumed by humans. Cultivation of watercress is practical on both a large-scale and a garden-scale. Horticulture Research 2: doi: 10.1038/hortres.2015.29. [5], Watercress was eaten by early Native Americans.[6]. Watercress and many of its relatives, such as garden cress, mustard, radish, and wasabi, are noteworthy for their piquant flavors. Sowing: Barely cover garden cress seeds. BMC Genomics (In Press). Watercress is a rapidly growing, perennial plant native to Europe and Asia.It is one of the oldest known leaf vegetables consumed by humans. Watercress and many of its relatives, such as garden cress, mustard, radish, and wasabi, are noteworthy for their piquant flavors.. It is frequently produced around the headwaters of chalk streams. Dr Mark Chapman is an Associate Professor in Ecology and Evolutionary Biology and his research focuses on ‘working out what genes do’. Your email address will not be published. Watercress is a dark, leafy green that is said to be an excellent source of minerals. [8] Watercress is 95% water and has low contents of carbohydrates, protein, fat, and dietary fiber. It is a valuable addition to any plate being the most nutrient dense of any vegetable – packed full of vitamins A and C, calcium and most importantly glucosinolate.