Garden cress (Lepidium sativum) is a rather fast-growing, edible herb that is genetically related to watercress and mustard, sharing their peppery, tangy flavor and aroma. In some regions, garden cress is known as mustard and cress, garden pepper cress, pepper grass, pepperwort or poor person's pepper.
This annual plant can reach a height of 60 cm (~24 inches), with many branches on the upper part. The white to pinkish flowers are only 2 mm (1/12 of an inch) across, clustered in branched racemes.
Garden cress in agriculture[]
Garden cress is commercially grown in England, France, the Netherlands and Scandinavia.
Cultivation of garden cress is practical on both mass scales and on the individual scale. Garden cress is suitable for hydroponic cultivation and thrives in slightly alkaline water. In many local markets, the demand for hydroponically grown cress can exceed available supply, partially because cress leaves are not suitable for distribution in dried form, so can be only partially preserved. Consumers commonly acquire cress as seeds or (in Europe) from markets as boxes of young live shoots.
Edible shoots are typically harvested in one to two weeks after planting, when they are 5–13 cm (2 - 5 inches) tall.