In short: Rajahalli is a black tea estate located on Pretoria Street, India, at 11 metres elevation, operated by James Warren.
Rajahalli is a tea estate located on Pretoria Street in India, at an elevation of 11 metres above sea level. The estate is operated by James Warren, a company that manages a number of tea-growing properties in the country. Rajahalli produces black tea, though the scale of operations and workforce size have not been disclosed in public records.
Terroir & Climate
At 11 metres elevation, Rajahalli occupies terrain close to sea level, a relatively uncommon altitude band for tea cultivation in India. Estates at such low elevations generally experience warmer, more humid growing conditions than their high-altitude counterparts, with less pronounced diurnal temperature variation. This typically encourages vigorous vegetative growth and can lead to faster leaf maturation cycles, particularly in tropical or subtropical latitudes.
The climate at this elevation tends to be characterised by consistent warmth year-round, with growing patterns often influenced more by monsoon rhythms than by temperature fluctuations. Low-lying estates in India's tea-growing zones typically contend with heavier rainfall and higher ambient humidity, factors that can shape both the agronomic challenges and the biochemical profile of the leaf harvested.
Tea Produced
Rajahalli produces black tea. Estates at very low elevations in India often yield teas with bold, robust character and a brisk, malty cup profile, though the specific flavour signatures depend heavily on manufacturing technique and seasonal variation. Low-grown black teas from the subcontinent are generally valued for strength and colour rather than the aromatic complexity typically associated with high-elevation gardens, and they tend to find favour in blends requiring body and astringency.
Operator
The estate is operated by James Warren, a company that manages a portfolio of tea-growing properties in India. James Warren operates four other estates currently listed in this directory, indicating a multi-estate operational footprint within the Indian tea sector.
Location & Neighbouring Estates
Rajahalli lies at 22.5445, 88.3517 in Pretoria Street, India. Its 11 m elevation is the joint 239th highest of 250 estates we map in India. The nearest estates in the TeaTrade directory, measured point-to-point from these coordinates, are:
- Deamoolie — under 1 km away
- Dhoedaam — under 1 km away
- Zaloni — under 1 km away
- Kusum International — under 1 km away · LORD SINHA ROAD
- Sungma Tea Estate — under 1 km away · Camac Street
Estates at a Similar Altitude to Rajahalli
Elevation shapes how slowly leaf matures, so we match Rajahalli (11 m) with estates within 150 m of its height that are not its neighbours. Each is shown with its own 2025 climate. Rajahalli recorded 1,858 mm in 2025, 16% less than the 2,200 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 |
|---|---|---|---|---|
| adhar manik tea asteat factory | Chattogram, Bangladesh | 11 m | 2,211 mm | 30.6 °C |
| Tandachari Tea Estate | Chattogram, Bangladesh | 11 m | 2,211 mm | 30.6 °C |
| Zhoushan Putuo Speciality Co. Ltd. | Hangzhou, China | 11 m | 1,545 mm | 24.2 °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 |
Rajahalli Compared with India
In India, Rajahalli is drier than 91% of the others by 2025 rainfall; lower than 97% of the others by elevation; warmer than 94% of the others by daytime temperature. The table sets Rajahalli against the 249 other estates we map in India, so you can see whether it is typical for its country or an outlier.
| Measure | Rajahalli | Country median | Country range |
|---|---|---|---|
| Elevation | 11 m | 126 m | 6 to 2,299 m |
| Annual rainfall (2025) | 1,858 mm | 2,778 mm | 745 to 4,774 mm |
| Mean daily high | 31.4 °C | 28.3 °C | 16.9 to 34.5 °C |
| Mean overnight low | 22.9 °C | 19.2 °C | 9.3 to 24.2 °C |
Observed Climate at Rajahalli (2025)
ERA5 reanalysis data modelled for Rajahalli’s coordinates recorded 1,858 mm of precipitation across calendar year 2025. The wettest month was July (450 mm) and the driest was December (0 mm). Daytime highs averaged 31.4 °C and overnight lows 22.9 °C over the year; May was the warmest month and December the coolest.
| Metric | 2025 value |
|---|---|
| Annual precipitation | 1,858 mm |
| Wettest month | July (450 mm) |
| Driest month | December (0 mm) |
| Mean daily high | 31.4 °C |
| Mean overnight low | 22.9 °C |
Frequently Asked Questions
Where is Rajahalli located?
Rajahalli is in Pretoria Street, India, at coordinates 22.5445, 88.3517, at an elevation of about 11 metres.
Who operates Rajahalli?
Rajahalli is operated by James Warren, according to public supply-chain records.
What type of tea does Rajahalli produce?
Rajahalli is recorded as producing black tea.
How much rain does Rajahalli receive?
ERA5 reanalysis data for the estate's coordinates recorded 1,858 mm of precipitation in 2025, peaking in July (450 mm).
How does Rajahalli compare with estates at a similar elevation?
Rajahalli recorded 1,858 mm in 2025, 16% less rain than the 2,200 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].
