In short: Tregothnan is a tea estate near Truro in Cornwall, England, operated by Tregothnan Estate, and according to the grower its first tea bushes were planted in 1999.
Tregothnan is a tea estate near Truro in Cornwall, England, operated by Tregothnan Estate. According to the grower, its first tea bushes were planted in 1999 and the first harvest, in 2005, weighed 28 grams. Tregothnan says that of its 1,000 acres, only about 150 meet its climate criteria for tea cultivation. The estate welcomes visitors to its International Tea Centre; tours and experiences must be booked in advance.
What the Published Sources Say
- Tregothnan says its first tea bushes were planted in 1999 and that the first harvest, in 2005, weighed 28 grams.
- Tregothnan says its range includes black teas (including a Single Estate), a green tea and home-grown herbal infusions.
- Tregothnan says only about 150 of its 1,000 acres meet its climate criteria for tea.
- Tregothnan welcomes visitors to its International Tea Centre; tours and experiences must be booked in advance.
Sources: Tregothnan: our tea story, Tregothnan: the tea plantations. TeaTrade has not tested or tasted this grower's tea; these are the grower's and publishers' own statements.
Terroir & Climate
The estate sits at approximately 79 metres above sea level in Cornwall's maritime environment. This part of south-west England typically experiences a mild, wet oceanic climate moderated by the Gulf Stream, with relatively cool summers and mild winters compared to much of Britain.
Such maritime conditions tend to mean steady rainfall and humidity year-round, with limited temperature extremes. Estates in this latitude and climate zone generally experience a shorter growing season than tropical or subtropical producers, and the moderate temperatures may influence the pace of flush development.
Tea Produced
According to Tregothnan, its range includes black teas—among them a Single Estate—a green tea, and home-grown herbal infusions. The sources consulted do not state specific cultivars or processing methods employed on the estate.
Operator
The estate is operated by Tregothnan Estate. No other estates operated by this company are recorded in the directory.
Location & Neighbouring Estates
Tregothnan is in Cornwall, England, United Kingdom; the map pin (50.24, -5.01) is approximate and marks the locality. Its 79 m elevation is the 8th highest of 16 estates we map in the United Kingdom. The nearest estates in the TeaTrade directory, measured point-to-point from this approximate pin, are:
- Dartmoor Estate Tea — 94 km away · Devon
- Peterston Tea Estate — 182 km away · Vale of Glamorgan
- The Banks Tea Estate — 395 km away · East Sussex
- Auchencairn Tea — 517 km away · Dumfries and Galloway
- Buittle Tea Garden — 529 km away · Dumfries and Galloway
Tregothnan Compared with the United Kingdom
In the United Kingdom, Tregothnan is wetter than 53% of the others by 2025 rainfall; higher than 53% of the others by elevation; warmer than 88% of the others by daytime temperature. The table sets Tregothnan against the 17 other estates we map in the United Kingdom, so you can see whether it is typical for its country or an outlier.
| Measure | Tregothnan | Country median | Country range |
|---|---|---|---|
| Elevation | 79 m | 55 m | 2 to 256 m |
| Annual rainfall (2025) | 1,324 mm | 1,307 mm | 777 to 2,070 mm |
| Mean daily high | 14.5 °C | 12.7 °C | 10.9 to 14.9 °C |
| Mean overnight low | 8.8 °C | 6.0 °C | 5.1 to 8.3 °C |
Observed Climate at Tregothnan (2025)
ERA5 reanalysis data modelled for Tregothnan’s coordinates recorded 1,324 mm of precipitation across calendar year 2025. The wettest month was December (198 mm) and the driest was May (40 mm). Daytime highs averaged 14.5 °C and overnight lows 8.8 °C over the year; July was the warmest month and January the coolest.
| Metric | 2025 value |
|---|---|
| Annual precipitation | 1,324 mm |
| Wettest month | December (198 mm) |
| Driest month | May (40 mm) |
| Mean daily high | 14.5 °C |
| Mean overnight low | 8.8 °C |
Frequently Asked Questions
Where is Tregothnan located?
Tregothnan is in Cornwall, England, United Kingdom. The map pin (50.24, -5.01) is approximate and marks the locality rather than the garden, at an elevation of about 79 metres.
Who operates Tregothnan?
Tregothnan is operated by Tregothnan Estate, according to the grower's published information.
What type of tea does Tregothnan produce?
Tregothnan is recorded as producing black and green tea.
How much rain does Tregothnan receive?
ERA5 reanalysis data for the estate's coordinates recorded 1,324 mm of precipitation in 2025, peaking in December (198 mm).
Data sources: the grower’s own published information and public sources (Tregothnan: our tea story, Tregothnan: the tea plantations); climate figures are ERA5 reanalysis modelled for the area’s coordinates via Open-Meteo (calendar year 2025); the map pin is rounded to about 1 km and marks the locality, not the garden; elevation is a terrain-model value for that point. Spotted an error? Email [email protected].