In short: Glen Caladh Farm is a tea grower on the Cowal Peninsula in Argyll and Bute, Scotland, which planted Camellia sinensis in spring 2018 and produces single-estate black tea.
Glen Caladh Farm is a tea-growing operation near Tighnabruaich on the shores of the Kyles of Bute in Argyll and Bute, Scotland. According to Tea Scotland, the family moved to the farm in 2017 and planted a few acres of Camellia sinensis in spring 2018. Glen Caladh Tea describes its tea as a single-estate loose-leaf black tea grown on the Cowal Peninsula.
What the Published Sources Say
- Tea Scotland says the family moved to the farm on the shores of the Kyles of Bute in 2017 and planted a few acres of Camellia sinensis in spring 2018.
- The farm is organic and has a 23 kW micro-hydro system.
- Glen Caladh Tea describes its tea as a single-estate loose-leaf black tea grown on the Cowal Peninsula.
Sources: Tea Scotland: Glen Caladh Farm, Glen Caladh Tea. TeaTrade has not tested or tasted this grower's tea; these are the grower's and publishers' own statements.
Terroir & Climate
The farm sits at approximately 2 metres above sea level in a maritime climate on the west coast of Scotland. Areas along the Kyles of Bute typically experience mild, wet conditions moderated by the surrounding sea, with relatively cool summers and frost-free winters that can allow tender perennials to establish. According to the grower, the farm is organic and has a 23 kW micro-hydro system.
Tea Produced
Glen Caladh Farm produces black tea. The sources consulted do not state which specific styles or grades are made, nor do they provide tasting notes or detail on processing methods.
Location & Neighbouring Estates
Glen Caladh Farm is in Argyll and Bute, Scotland, United Kingdom; the map pin (55.90, -5.24) is approximate and marks the locality. Its 2 m elevation is the lowest 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:
- Isle of Arran Tea Company — 36 km away · Isle of Arran
- Lismore Tea — 70 km away
- Scottish Tea House — 89 km away · Lanarkshire
- Glen Afton Tea — 90 km away · East Ayrshire
- Broich Tea Garden — 101 km away · Perthshire
Glen Caladh Farm Compared with the United Kingdom
In the United Kingdom, Glen Caladh Farm is wetter than 94% of the others by 2025 rainfall; the lowest of the 16 estates by elevation; cooler than 53% of the others by daytime temperature. The table sets Glen Caladh Farm 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 | Glen Caladh Farm | Country median | Country range |
|---|---|---|---|
| Elevation | 2 m | 79 m | 9 to 256 m |
| Annual rainfall (2025) | 1,567 mm | 1,307 mm | 777 to 2,070 mm |
| Mean daily high | 12.7 °C | 12.8 °C | 10.9 to 14.9 °C |
| Mean overnight low | 8.0 °C | 6.0 °C | 5.1 to 8.8 °C |
Observed Climate at Glen Caladh Farm (2025)
ERA5 reanalysis data modelled for Glen Caladh Farm’s coordinates recorded 1,567 mm of precipitation across calendar year 2025. The wettest month was November (204 mm) and the driest was March (62 mm). Daytime highs averaged 12.7 °C and overnight lows 8.0 °C over the year; August was the warmest month and January the coolest.
| Metric | 2025 value |
|---|---|
| Annual precipitation | 1,567 mm |
| Wettest month | November (204 mm) |
| Driest month | March (62 mm) |
| Mean daily high | 12.7 °C |
| Mean overnight low | 8.0 °C |
Frequently Asked Questions
Where is Glen Caladh Farm located?
Glen Caladh Farm is in Argyll and Bute, Scotland, United Kingdom. The map pin (55.90, -5.24) is approximate and marks the locality rather than the garden, at an elevation of about 2 metres.
Who operates Glen Caladh Farm?
Glen Caladh Farm is operated by Glen Caladh Farm, according to the grower's published information.
What type of tea does Glen Caladh Farm produce?
Glen Caladh Farm is recorded as producing black tea.
How much rain does Glen Caladh Farm receive?
ERA5 reanalysis data for the estate's coordinates recorded 1,567 mm of precipitation in 2025, peaking in November (204 mm).
Data sources: the grower’s own published information and public sources (Tea Scotland: Glen Caladh Farm, Glen Caladh Tea); 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].