In short: Koyachara Dolu Tea Garden Karkana is a black tea estate in Chattogram, Bangladesh, operated by Koyachara Dolu Tea Garden Karkana at an elevation of 11 metres.
Koyachara Dolu Tea Garden Karkana is a black tea estate located in the Chattogram region of Bangladesh, operating at an elevation of 11 metres above sea level. The estate is managed by Koyachara Dolu Tea Garden Karkana. No buyers for this estate's production have been recorded in publicly available supply chain data.
Terroir & Climate
At 11 metres elevation, Koyachara Dolu Tea Garden Karkana occupies low-lying terrain in the Chattogram region, where estates typically experience the tropical monsoon climate characteristic of coastal Bangladesh. Tea cultivation at such low altitudes in this latitude generally benefits from warm, humid conditions year-round, with production cycles often shaped by the arrival and intensity of the southwest monsoon. The proximity to sea level tends to result in more rapid vegetative growth compared to high-elevation gardens.
Estates at this elevation in Chattogram typically contend with high rainfall and occasional flooding during the monsoon months, which can influence both the growing cycle and the need for robust water management. The warm temperatures and ample moisture common to low-altitude tropical gardens tend to promote vigorous flush development, though the character of the leaf is often shaped by the interplay of heat, humidity, and seasonal variation in daylight hours.
Tea Produced
Koyachara Dolu Tea Garden Karkana produces black tea. Estates in the Chattogram region operating at low elevations typically yield teas with robust body and malty characteristics, often reflecting the vigorous growth rates associated with warm, humid conditions. Bangladeshi black teas from coastal plains are generally known for straightforward, full-bodied cup profiles, though individual processing choices and seasonal variation can produce a range of flavour intensities and astringency levels.
Location & Neighbouring Estates
Koyachara Dolu Tea Garden Karkana lies at 22.3752, 91.8349 in Chattogram, Bangladesh. Its 11 m elevation is the joint 4th highest of 13 estates we map in Chattogram. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:
- adhar manik tea asteat factory — under 1 km away
- Karnafully Tea Estate — under 1 km away
- koiasora Dulu Tea Garden Factory — under 1 km away
- Poncho Boti Tea Factory — under 1 km away
- Ramgor Tea Estate Factory — under 1 km away
Estates at a Similar Altitude to Koyachara Dolu Tea Garden Karkana
Elevation shapes how slowly leaf matures, so we match Koyachara Dolu Tea Garden Karkana (11 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. Koyachara Dolu Tea Garden Karkana recorded 2,211 mm in 2025, 7% more than the 2,059 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 |
|---|---|---|---|---|
| Zhoushan Putuo Speciality Co. Ltd. | Hangzhou, China | 11 m | 1,545 mm | 24.2 °C |
| GONESHBARI | 3RD FLOOR KOLKATA WB IN, India | 11 m | 1,858 mm | 31.4 °C |
| Deamoolie | Pretoria Street, India | 11 m | 1,858 mm | 31.4 °C |
| Aiya Co., Ltd. | Nisho, Japan | 11 m | 1,592 mm | 20.7 °C |
| Evergreen Group, Evergreen | Southern Province, Sri Lanka | 11 m | 3,440 mm | 29.8 °C |
Koyachara Dolu Tea Garden Karkana Compared with Chattogram
In Chattogram, Koyachara Dolu Tea Garden Karkana is drier than 67% of the others by 2025 rainfall; lower than 75% of the others by elevation; cooler than 58% of the others by daytime temperature. The table sets Koyachara Dolu Tea Garden Karkana against the 12 other estates we map in Chattogram, so you can see whether it is typical for its region or an outlier.
| Measure | Koyachara Dolu Tea Garden Karkana | Region median | Region range |
|---|---|---|---|
| Elevation | 11 m | 11 m | 8 to 25 m |
| Annual rainfall (2025) | 2,211 mm | 2,211 mm | 2,165 to 2,233 mm |
| Mean daily high | 30.6 °C | 30.6 °C | 29.6 to 30.6 °C |
| Mean overnight low | 21.5 °C | 21.5 °C | 20.7 to 22.8 °C |
Observed Climate at Koyachara Dolu Tea Garden Karkana (2025)
ERA5 reanalysis data modelled for Koyachara Dolu Tea Garden Karkana’s coordinates recorded 2,211 mm of precipitation across calendar year 2025. The wettest month was July (466 mm) and the driest was January (0 mm). Daytime highs averaged 30.6 °C and overnight lows 21.5 °C over the year; May was the warmest month and December the coolest.
| Metric | 2025 value |
|---|---|
| Annual precipitation | 2,211 mm |
| Wettest month | July (466 mm) |
| Driest month | January (0 mm) |
| Mean daily high | 30.6 °C |
| Mean overnight low | 21.5 °C |
Frequently Asked Questions
Where is Koyachara Dolu Tea Garden Karkana located?
Koyachara Dolu Tea Garden Karkana is in Chattogram, Bangladesh, at coordinates 22.3752, 91.8349, at an elevation of about 11 metres.
Who operates Koyachara Dolu Tea Garden Karkana?
Koyachara Dolu Tea Garden Karkana is operated by Koyachara Dolu Tea Garden Karkana, according to public supply-chain records.
What type of tea does Koyachara Dolu Tea Garden Karkana produce?
Koyachara Dolu Tea Garden Karkana is recorded as producing black tea.
How much rain does Koyachara Dolu Tea Garden Karkana receive?
ERA5 reanalysis data for the estate's coordinates recorded 2,211 mm of precipitation in 2025, peaking in July (466 mm).
How does Koyachara Dolu Tea Garden Karkana compare with estates at a similar elevation?
Koyachara Dolu Tea Garden Karkana recorded 2,211 mm in 2025, 7% more rain than the 2,059 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].
