Perennial herb (Majorana hortensis) of the mint family, or its fresh or dried leaves and flowering tops. Native to the Mediterranean and western Asia, marjoram is cultivated as an annual where winter temperatures kill the plant. It is used to flavor many foods. Various other aromatic herbs or undershrubs of the genera Origanum (see oregano) and Majorana of the mint family are also called marjoram.
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Marjoram (Origanum majorana, Lamiaceae) is a somewhat cold-sensitive perennial herb or undershrub with sweet pine and citrus flavours. It is also called Sweet Marjoram or Knotted Marjoram and Majorana hortensis.
Marjoram is cultivated for its aromatic leaves, either green or dry, for culinary purposes; the tops are cut as the plants begin to flower and are dried slowly in the shade. It is often used in herb combinations such as Herbes de Provence and Za'atar.
Although considered cold-sensitive, marjoram can sometimes prove hardy even in zone 5.
Pot Marjoram or Cretan Oregano (Origanum onites) has similar uses to marjoram.
Hardy Marjoram or French marjoram is a cross of marjoram with oregano that is much more resistant to cold, but is slightly less sweet.
Origanum pulchellum, Showy Marjoram or Showy Oregano.