October 27, 2026

Castleton Tea Estate, Darjeeling: The Aromatic Secrets and Origins of Spring Harvest and Moonlight White Teas

October 2, 2021
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Introduction:Castleton Tea Estate is one of the most iconic tea-growing regions in Darjeeling, boasting a history of over a century and serving as a key cultivation site for premium clonal varieties such as AV2 and Seeyok. From spring harvest teas to Moonlight White teas, this estate, situated at elevations ranging from 980 to 2300 meters, is renowned for its delicate aromas and complex flavor profiles. This article delves into its flavor characteristics, origin background, and brewing essentials, guiding you through an authentic estate-level Darjeeling experience.

Among the many renowned tea estates in Darjeeling, Castleton stands out with its long-standing history and exceptional tea quality, consistently ranking among the top. Established in 1885 by Dr. Charles Graham, the estate is now part of the Goodricke Group and is celebrated for its spring Selection teas and Moonlight White, making it one of the premier destinations for tea enthusiasts.

The Castleton Tea Estate spans the hillsides of Kurseong and Pankhabari between 980 and 2300 meters above sea level, covering a total area of approximately 170 hectares. Over 70% of the tea bushes here are heritage plants, coexisting with high-quality clonal varieties such as AV2 and Seeyok 1240. This combination creates a richly layered and uniquely characterful tea. The high altitude and low oxygen environment contribute to slower leaf growth, allowing each leaf to accumulate deeper flavor compounds.

Once known as Kumseri, the estate’s name “Castleton” originates from an old building in the area that resembles a castle — the “Glenbank.” Various sections within the estate also retain nostalgic place names, such as Bhalu Khop (Bear Cave), Jim Basha (former manager’s residence), Dhobitar (laundry area), and Baseri (resting spot), reflecting the blend of history and human culture.

Castleton is particularly famous for its Moonlight White, a distinctive white tea made from tender buds harvested during specific periods, showcasing a soft, delicate taste and intense aromatic richness. In addition, its spring harvest teas are also highly acclaimed. For example, tea harvested at around 4000 feet features a refreshing and balanced flavor, bursting with the freshness of citrus and the inherent sweetness of green tea, followed by subtle notes of stone fruits and light woody undertones.

A certain tea company once introduced a 2021 China Red spring harvest tea from Castleton at 4000 feet, and its performance was truly impressive: well-balanced body, prominent citrus notes, vibrant greenness, and a finish marked by stone fruits and foresty woody aromas, as if delivered fresh from the misty mountain ridges. It is a fine representation of the essence of Darjeeling’s spring tea.

When tasting Castleton spring harvest tea, you can pay attention to the following layers of aroma and flavor:Dry tea leavesExhibit dry aromas of nuts, candied apricots, caramel, and cashews. The leaves are mostly tightly rolled short strips, green in color, occasionally showing incompletely rolled dark green leaves and tender bud cuttings.Tea liquorAppears bright golden-yellow, releasing sweet greenness and mature stone fruit aromas. Upon tasting, the freshness of citrus is prominent, followed by layers of green tea sweetness and a hint of roasted chestnut flavor. In the background, there are subtle hints reminiscent of elderberry, while the aftertaste carries umami, creamy salad, tropical fruits, and a light cheese-like note.

After brewingWet aromaDisplays moist vegetation and bark scents, accompanied by the elegance of hyacinth and a restrained sense of vitality. The tea liquor has a color resembling tender spring leaves, with some bud tips and stems exhibiting an olive-green hue, offering an overall refreshing visual appeal. It is recommended to use water at 85°C to 90°C and a medium-fine grind for brewing to better bring out its delicate nuances.

Whether you are a fan of single-origin flavors, exploring Darjeeling traditions, or eager to learn more about spring harvest and white tea craftsmanship, Castleton Tea Estate is an essential classic. From historical architecture to elevation gradients, from heritage old bushes to premium clones, this is not just the cradle of tea, but also a symbol of taste and artistry.

The above content is compiled by CoffeeHunters, a coffee news website.

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