In short: Isphani Te Ltd is a black tea estate in the Sylhet region of Bangladesh, situated at 17 metres above sea level.
Isphani Te Ltd is a tea estate located in the Sylhet region of Bangladesh, at an elevation of 17 metres above sea level. The estate produces black tea. The operating company is not recorded in available trade documentation, and published supply-chain records do not currently identify downstream buyers for its production.
Terroir & Climate
At 17 metres above sea level, Isphani Te Ltd occupies low-lying terrain characteristic of parts of the Sylhet basin. Estates at this elevation in Bangladesh typically experience a humid subtropical climate with pronounced monsoon rains and warm temperatures year-round, conditions that generally favour vigorous vegetative growth and high yields. The minimal altitude means that diurnal temperature variation tends to be modest, and drainage management becomes a key factor in root health and soil aeration during the wet season.
Sylhet's geography, marked by floodplains and gentle undulations, often results in deep alluvial soils that can support productive tea cultivation when properly managed. Estates in this lowland setting generally do not benefit from the slower maturation and concentrated flavour development associated with higher elevations; instead, the warm, moist environment typically promotes rapid leaf turnover and a growing cycle that can support frequent plucking rounds during peak seasons.
Tea Produced
Isphani Te Ltd produces black tea. Lowland estates in Sylhet typically yield teas with a robust, straightforward character—often full-bodied and brisk, with malty or slightly earthy notes. The warm growing conditions and rapid flush cycles common at this elevation generally result in liquor that is strong and well-suited to blending or to markets that favour a bold, assertive cup. While the specific processing methods employed at this estate are not documented, black teas from similar terroir in the region tend to be reliable in strength and colour, though they may lack the nuanced aromatics or floral complexity sometimes found in teas grown at higher altitudes.
Location & Neighbouring Estates
Isphani Te Ltd lies at 24.3095, 91.7314 in Sylhet, Bangladesh. Its 17 m elevation is the joint 8th highest of 16 estates we map in Sylhet. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:
- Balishira tea Factory — under 1 km away · Moulvibazar
- Baraoora tea Factory — under 1 km away · Moulvibazar
- BTRI Examination Green Tea Factory — under 1 km away · Moulvibazar
- BTRI tea research Factory — under 1 km away · Moulvibazar
- Dinston tea Factory — under 1 km away · Moulvibazar
Estates at a Similar Altitude to Isphani Te Ltd
Elevation shapes how slowly leaf matures, so we match Isphani Te Ltd (17 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. Isphani Te Ltd recorded 2,123 mm in 2025, 32% less than the 3,105 mm average across these estates: at the same height, local weather and exposure matter as much as elevation.
| Estate | Where | Elevation | Rain 2025 | Mean high |
|---|---|---|---|---|
| Rahmania Tea Garden | Moulvibazar, Bangladesh | 17 m | 3,054 mm | 29.9 °C |
| Lackatoorah Tea Factory | Sylhet, Bangladesh | 17 m | 3,920 mm | 30.0 °C |
| Zhejiang Chunan New Continent Tea Co. Ltd. | Xihu Dadao, China | 17 m | 1,470 mm | 24.3 °C |
| Renukanda Tea Estate | B158, Sri Lanka | 17 m | 3,642 mm | 30.0 °C |
| Thundola Tea Estate | B363, Sri Lanka | 17 m | 3,439 mm | 30.1 °C |
Isphani Te Ltd Compared with Sylhet
In Sylhet, Isphani Te Ltd is the driest of the 16 estates by 2025 rainfall; lower than 67% of the others by elevation; warmer than 67% of the others by daytime temperature. The table sets Isphani Te Ltd against the 15 other estates we map in Sylhet, so you can see whether it is typical for its region or an outlier.
| Measure | Isphani Te Ltd | Region median | Region range |
|---|---|---|---|
| Elevation | 17 m | 17 m | 9 to 18 m |
| Annual rainfall (2025) | 2,123 mm | 3,920 mm | 2,123 to 3,920 mm |
| Mean daily high | 30.2 °C | 30.0 °C | 29.8 to 30.3 °C |
| Mean overnight low | 20.7 °C | 20.6 °C | 20.3 to 20.7 °C |
Observed Climate at Isphani Te Ltd (2025)
ERA5 reanalysis data modelled for Isphani Te Ltd’s coordinates recorded 2,123 mm of precipitation across calendar year 2025. The wettest month was July (492 mm) and the driest was December (0 mm). Daytime highs averaged 30.2 °C and overnight lows 20.7 °C over the year; June was the warmest month and January the coolest.
| Metric | 2025 value |
|---|---|
| Annual precipitation | 2,123 mm |
| Wettest month | July (492 mm) |
| Driest month | December (0 mm) |
| Mean daily high | 30.2 °C |
| Mean overnight low | 20.7 °C |
Frequently Asked Questions
Where is Isphani Te Ltd located?
Isphani Te Ltd is in Sylhet, Bangladesh, at coordinates 24.3095, 91.7314, at an elevation of about 17 metres.
What type of tea does Isphani Te Ltd produce?
Isphani Te Ltd is recorded as producing black tea.
How much rain does Isphani Te Ltd receive?
ERA5 reanalysis data for the estate's coordinates recorded 2,123 mm of precipitation in 2025, peaking in July (492 mm).
How does Isphani Te Ltd compare with estates at a similar elevation?
Isphani Te Ltd recorded 2,123 mm in 2025, 32% less rain than the 3,105 mm average of estates at a similar elevation.
Data sources: public supply-chain disclosures (Ethical Tea Partnership member lists, Rainforest Alliance certificate holders and retailer supplier disclosures); climate figures are ERA5 reanalysis modelled for the estate’s coordinates via Open-Meteo (calendar year 2025); coordinates and elevations from geocoded records. Spotted an error? Email [email protected].