Garden cress originated in Persia and later spread to the gardens of India, Syria, Greece and Egypt. Garden cress is a hardy, coolseason salad green that is a member of the mustard/turnip family. It is also called peppergrass.
Garden cress (Lepidium sativum) is a plant that is eaten as a vegetable. Its seed, root, and above ground parts are also used as medicine. Garden cress leaf and seed contain chemicals that might help lower blood sugar. Garden cress also contains chemicals that might help fight some bacteria and viruses.
Cress is heavy in antioxidants, a key ingredient in the prevention of cancer. These active antioxidants include vitamins C, A, E, and several B vitamins. Cress is also good for your liver as it is very rich in glucosinolates, which are water soluble phyto-chemicals that contain sulfur.
Cress grows best in moist soil. It requires plenty of sunlight for the seeds to germinate, so when growing indoors position it on a sunny windowsill. However, when growing outdoors, cress can struggle in high temperatures. 'When cress becomes too hot and dry, it is prone to bolting,' says Bonnett.
Seed plant garden cress by randomly scattering or placing them in rows. Garden cress requires organic-rich soil and full sun in order to thrive. The seeds should be planted ¼ to ½-inch (1 to 1.5 cm.) deep. Rows should be placed 3-4 inches (7.5 to 10 cm.) apart.
Read more at Gardening Know How: Growing Garden Cress Plant: What Does Garden Cress Look Like
https://www.gardeningknowhow.com/edible/vegetables/cress/growing-garden-cress-plants.htm
