. . . . . . . . . . "Oregano (US /\u0254\u02D0\u02C8r\u025B\u0261\u0259no\u028A/ or /\u0259\u02C8r\u025B\u0261\u0259no\u028A/; UK /\u02CC\u0252r\u026A\u02C8\u0261\u0251\u02D0no\u028A/; scientific name Origanum vulgare) is a common species of Origanum, a genus of the mint family (Lamiaceae). It is native to warm-temperate western and southwestern Eurasia and the Mediterranean region.Oregano is a perennial herb, growing from 20\u201380 cm tall, with opposite leaves 1\u20134 cm long. Oregano will grow in a pH range between 6.0 (mildly acidic) and 9.0 (strongly alkaline) with a preferred range between 6.0 and 8.0."@en .