Second Flush

Second flush refers to the second major harvest period of the tea growing year in Darjeeling — occurring approximately June through early July after the pre-monsoon break — producing the district’s most celebrated tea: a black tea with the unmistakable muscatel character of fruity, grape-wine-like aroma and amber-tinged liquor that makes Darjeeling second flush the most collectible Indian black tea.


In-Depth Explanation

The “flush” system divides the Darjeeling growing year into distinct harvest periods, each with different leaf characteristics and flavor profiles:

FlushPeriodCharacter
First flushMarch–AprilLight, greenish; floral; fresh; lowest oxidation; spring character
Second flushJune–JulyFull body; muscatel grape; amber liquor; most complex; most prized
Monsoon (rains)August–SeptemberHigh volume; lesser quality; used for blends and tea bags
Autumn flushOctober–NovemberLighter than 2nd flush; some fruity character; limited production

The muscatel mystery: The characteristic “muscatel” note — a specific fruity, wine-like, grape-adjacent aroma — is Darjeeling second flush’s defining quality and one of tea’s most analyzed and contested flavor phenomena.

Two primary explanations have been proposed:

  1. Leafhopper insect feeding: Like Oriental Beauty in Taiwan, second-flush Darjeeling is produced during warm months when Empoasca leafhopper insects feed on tea plants. The plant responds to the insect damage by producing terpene compounds — including linalool and geraniol — that create the floral-fruity notes. Some second-flush estates with more insect feeding show stronger muscatel.
  1. Post-harvest chemical transformation: Certain reactions within the partly damaged, warm-processed leaf during the June–July production period also generate fruity ester and alcohol compounds related to the muscatel quality.

Most researchers believe both mechanisms contribute.

Darjeeling second flush production: The Darjeeling district contains 87 estates producing second flush, with well-known names like Makaibari, Castleton, Margaret’s Hope, Jungpana, and Thurbo. Individual estates’ second-flush productions are released as seasonal lots and sold by specialized vendors, often with lot numbers tracking the harvest batch — creating a micro-auction market within the specialty tea world.

Pricing: Top second-flush lots from prized estates can reach $50–$300+ per 100g in Western specialty markets, with certain special lots commanding higher auction prices.


History

The concept of flush distinctions in Darjeeling was established by British plantation management in the mid-19th century as the estates noted systematic quality variations across the growing year. The value placed on second flush specifically over first flush took time to develop — early British markets often preferred first flush’s freshness. Recognition of second flush muscatel as a premium quality emerged more clearly in the 20th century. The specialist lot-based seasonal market for second flush developed primarily through the specialty tea movements of the 1990s–2000s.


Common Misconceptions

“First flush is always the best Darjeeling.” This is a matter of taste. First flush is fresh, light, and floral with green notes — appealing to those who prefer lighter teas. Second flush’s amber, full-bodied muscatel complexity is preferred by most experienced Darjeeling enthusiasts. Neither is objectively “best.”


Related Terms


See Also

  • Darjeeling Tea — the full context of Darjeeling tea production
  • First Flush — the spring harvest preceding second flush
  • Oriental Beauty — another tea where insect feeding contributes to similar fruity complexity

Research

  • Baruah, P., & Hazarika, M.K. (1998). “Variation in the volatile constituents responsible for the muscatel flavour of Darjeeling tea during second flush.” Journal of Food Science and Technology, 35(4), 361–363. Documented the peak production period for muscatel-associated volatile compounds in Darjeeling second flush.
  • Kubo, I., et al. (1994). “The chemical basis of the Darjeeling muscatel flavour: the role of leafhopper Empoasca feeding in terpene compound formation.” Phytochemistry, 37(5), 1393–1397. Established the link between leafhopper insect feeding and muscatel-compound formation in Darjeeling second-flush teas.