For Ruby Black Tea is used the popular Ruby #18 cultivar (also: Hong Yu), probably the most famous black tea in Taiwan. It is known for its great body and wonderful aromas, including after a good brandy.
The harvest for this tea is done by hand and processed in traditional orthodox production:
- 1. Hand harvesting around 8am
- 2. Two-step withering process: 1-2h withering in the sun and 20h indoor withering
- 3. About 2h rolling around 6am
- 4. Full fermentation for 3.5h: 1.5h in the rolling machine + 2h resting
- 5. Oven drying twice: 120°C á 40 minutes.
The tea fields are located at 600-800m in the upper altitude range of Nantou, where the high quality Taiwanese High Mountain Oolongs are also grown. The weather conditions here are a bit more changeable than in the lower altitude growing areas. It is cloudier and there is more precipitation. This is reflected in the delicate flavor of the tea. Due to the slow growth of the plant, the leaves turn out much sweeter, more aromatic and more nutritious. The lowest and highest annual temperatures are 5°C and 34°C, respectively, with an average temperature of 19°C. May to August is the rainy season with an average rainfall of 2934mm.