Tea Cultivar · Camellia sinensis var. sinensis
Sukcha
- Origin
- South Korea - Jeollanam-do
- Primary use
- green tea, yellow tea
Overview
Sukcha refers to the Korean indigenous tea population descended from seeds traditionally believed to have been brought from China during the Silla dynasty (9th century) and naturalized over more than a millennium on the southern slopes of Jirisan and the Boseong-Hadong belt. Rather than a single clonal cultivar, sukcha is a seed-propagated landrace with significant genetic diversity, and is considered the foundational gene pool from which most modern Korean tea selections (Sangmok, Bohyang, Saimidori, Sukrok) were drawn. Korean tea masters and the National Institute of Horticultural and Herbal Science continue to preserve old sukcha gardens as living germplasm reserves.
Characteristics
Plants are typically small-leaved, bushy, and cold-hardy, having adapted to Korea's continental winters with temperatures regularly dipping below -10°C. Leaves are narrow, deep green, and noticeably thick-cuticled compared to Japanese cultivars. Bud break is late (mid-April in Boseong), yields are modest, and the seed-grown nature of the population means individual plants in an old garden may differ markedly in vigor, leaf form, and harvest timing - a feature prized by traditional ujeon and sejak producers.
Flavor profile
Sukcha-derived teas express a clear Korean style - restrained sweetness, a pronounced cooked-rice and chestnut note, gentle marine umami in the earliest spring pluckings (ujeon), and a clean herbaceous finish reminiscent of fresh bamboo shoot. The cultivar's genetic diversity produces remarkable cup variation: some gardens lean nutty and roasted, others vegetal and orchid-floral, especially in the Hwagae valley.
History
Tradition credits the monk Kim Daeryeom with bringing tea seeds from Tang China to plant on the slopes of Jirisan in 828 CE under King Heungdeok of Silla. Whatever the precise origin, genetic studies confirm Korean sukcha as a distinct, anciently established population that diverged from Chinese sinensis stock long before modern cultivar breeding began.
Where it grows
South Korea - Boseong · South Korea - Hadong · South Korea - Jeju