''Sejak'' (), also called ''dumul-cha'' (),
refers to ''
nokcha
Green tea is a type of tea made from the leaves and buds of the ''Camellia sinensis'' that have not undergone the Tea processing#General, withering and oxidation process that creates oolong teas and black teas. Green tea originated in China in t ...
'' (green tea) made of young, tender leaves and buds hand-plucked after ''
gogu'' ("grain rain", 20–21 April) but before ''
ipha'' ("advent of summer", 5–6 May).
Also called ''jakseol'' () as the tea leaves are plucked when they are about the size of a
sparrow's tongue,
''sejak'' is best steeped at a temperature of .
References
Green tea
Korean tea
{{Tea-stub