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Botanical name: Camellia sinensis assamica
Origin: India, Assam
Harvest: Second flush
Format: Loose leaf
Assam Tonganagaon is a single-origin Indian black tea sourced from the Tonganagaon estate, located in the Tinsukia district of Assam, near the northeastern border with China. A second flush of exceptional quality, it delivers the bold, malty character that makes Assam teas the ultimate choice for a rich, energising morning cup.
Grown in the Brahmaputra river valley at near sea-level altitude, this tea is produced exclusively from Camellia sinensis assamica — a variety prized for its robustness and intensity. With its dark, well-formed leaves and generous golden tips, Assam Tonganagaon stands out among Black Teas for its depth, complexity, and unmistakable character.
If you're looking to buy a premium loose leaf black tea online, Assam Tonganagaon is a rare find: carefully selected from one of the world's finest tea-growing regions and sourced directly by Terza Luna from small, artisan producers. Order today and experience the difference that single-origin, whole-leaf quality makes in every cup.
Assam Tonganagaon offers a sensory experience that is both powerful and nuanced. The first thing you notice is its intensity — this is a bold, full-bodied black tea with a deep, malty backbone that fills the palate with warmth and richness. The taste is robust and assertive, with classic woody-malt tones characteristic of the finest Assam teas, yet it reveals an unexpected elegance: delicate floral notes emerge on the finish, reminiscent of a high-grown Ceylon tea. The leaves themselves are dark, uniform, and generously studded with golden tips, which contribute a softer, more refined sweetness to the cup. The overall profile is strong yet layered — a tea that rewards attention.
The way you brew Assam Tonganagaon directly shapes what ends up in your cup. A shorter infusion at a slightly lower temperature will coax out the floral and tip-driven nuances, producing a brighter, more aromatic liquor. Extending the steep time or increasing the leaf quantity deepens the malt and body, yielding a richer, more structured brew ideal for pairing with milk. The abundance of golden tips in this second flush means the tea is particularly responsive to subtle adjustments — a quality that speaks to its intrinsic excellence as a single-origin, loose leaf selection.
Getting the best from a tea of this calibre comes down to respecting a few simple parameters. Assam Tonganagaon is a forgiving tea to brew, but small adjustments in temperature, dose, and time can meaningfully shift the cup — from a bright, floral morning brew to a deep, malty powerhouse. Start with the guidelines below and fine-tune to your taste.
For the best results, use filtered or low-mineral water, which allows the tea's natural complexity to shine through. Assam Tonganagaon is a natural choice for the morning — its high caffeine content and bold character make it an ideal energiser at breakfast. It takes milk beautifully: a splash of whole milk softens the tannins and rounds out the malt, creating a classic, comforting cup. It also serves as an outstanding base for Masala Chai, where its strength stands up to warming spices and creamy milk.
The bold, malty profile of Assam Tonganagaon makes it one of the most versatile teas at the table. Its strength holds its own against savoury, rich, and sweet flavours alike. Here are the pairings that bring out the best in this tea:
Black tea is the world's most widely consumed tea style, and for good reason — its full oxidation process produces a depth of flavour, body, and caffeine content that no other category can match. From the muscatel notes of a Darjeeling second flush to the earthy richness of a Yunnan Dian Hong, black teas span an extraordinary range of characters and origins. At Terza Luna, every black tea in our collection is sourced as a loose leaf, single-origin selection from small artisan estates — chosen for quality, traceability, and the kind of complexity you simply cannot find in a teabag.
Whether you're a seasoned tea drinker or just beginning to explore the world of fine loose leaf teas, our curated range of Black Teas offers something exceptional for every palate and occasion. Browse the full selection and find your next favourite cup.
From delicate white teas and grassy green teas to aged pu-erhs and fragrant oolongs, the world of Tea is vast, nuanced, and endlessly rewarding. At Terza Luna, we have spent over 14 years travelling the world to source rare, high-quality teas directly from the best artisan producers — teas you won't find on a supermarket shelf. With free shipping across Europe on orders over €75 and thousands of satisfied customers, there has never been a better time to explore our full collection.
The Assam region holds a unique place in the global history of tea. It was here, in the early nineteenth century, that the Camellia sinensis assamica variety was first identified growing wild — a discovery that would transform the tea trade and establish India as one of the world's great tea-producing nations. The Assam Company, founded in 1839, became the first commercial tea company in the world, and the region has since grown to account for more than one tenth of global tea production. Traditionally, Assam teas have been prized for their strength and energy-giving qualities, making them the cornerstone of iconic blends such as Irish Breakfast Tea and English Breakfast Tea, as well as the base for the beloved spiced Masala Chai of the Indian subcontinent.
Within this storied tradition, black teas from Assam have long been associated with vitality and warmth. Their high caffeine content and robust character made them the preferred morning brew across cultures — from the tea gardens of northeastern India to the breakfast tables of Britain and Ireland. The Tonganagaon estate, situated close to the Chinese border in the Tinsukia district, represents a continuation of this heritage: a garden producing teas of remarkable quality that honour the long tradition of Assam craftsmanship.
Assam Tonganagaon is a black tea with a naturally high caffeine content. Individuals who are sensitive to caffeine, pregnant or breastfeeding, or who have been advised to limit stimulant intake should consume it in moderation or consult a healthcare professional before use. As with all teas, excessive consumption is not recommended. If you are taking medication or have any ongoing health condition, please seek advice from your doctor or a qualified herbalist before making this tea a regular part of your diet.
Ready to experience one of India's finest black teas? Order Assam Tonganagaon online at Terza Luna and have it delivered directly to your door. As a specialist loose leaf tea shop with over 14 years of experience and more than 3,000 positive reviews, we select every tea personally — travelling to origin to find the best artisan estates so you don't have to. Our Assam Tonganagaon is a genuine second flush, whole-leaf tea sourced from the Tonganagaon estate in the Tinsukia district of Assam: bold, malty, tip-rich, and a world away from anything you'll find in a standard teabag. We offer free shipping across Europe on orders over €75, competitive prices, and the confidence of buying from a team that is genuinely passionate about quality. Add Assam Tonganagaon to your cart today and bring the taste of one of the world's great tea regions into your home.
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