Yunnan BM Coffee: The Blue Mountain Variety from China

Ever wondered if China can grow specialty-grade coffee that rivals global origins? Many coffee enthusiasts dismiss Chinese-grown beans, assuming they lack complexity or quality. But one variety—grown in Yunnan’s highlands—has quietly challenged that assumption.

The answer lies in the BM coffee, a Yunnan-grown cultivar believed to be derived from the famed Jamaican Blue Mountain. Planted at elevations between 1500 and 2000 meters in Simao and Baoshan, this coffee undergoes meticulous washed processing. The result: uniform beans with minimal defects, clean silver skin removal, and a dense physical structure—all traits of premium specialty coffee.

What Is BM Coffee and Where Is It Grown?

BM coffee refers to a coffee variety widely understood to have been introduced from Jamaica, likely a genetic relative of the Jamaica Blue Mountain. In China, it’s cultivated in the high-altitude regions of Simao (now part of Pu'er) and Baoshan in Yunnan Province, typically grown between 1500 and 2000 meters above sea level. These conditions mirror some of the key factors behind the terroir of Blue Mountain coffee in Jamaica: elevation, mild temperatures, and well-drained volcanic soils.

Processing Quality and Physical Bean Traits

This Yunnan BM coffee is processed using the washed method—a traditional technique that emphasizes cleanliness and clarity in the cup. According to the report, the beans are uniformly sized, with meticulously cleaned silver skins post-wash and an extremely low percentage of defects. The dense physical structure of the beans indicates a slow maturation process typical of high-altitude growth, which also contributes to a more stable roast profile.

Washed processing for this lot involved standard steps: floatation, pulping, fermentation to remove mucilage, washing, and drying. The result is a green bean that retains more of the coffee’s intrinsic aromatics while developing pronounced acidity and a clean profile. This contrasts with natural processed coffees, which tend to be fruitier but less consistent in cup clarity.

Cup Performance: Surprising Results in a Moka Pot

In a 2006 coffee tasting event in Shenzhen, brewed using an ordinary moka pot, the roasted BM coffee delivered a bright, clean, and well-balanced cup. Participants noted its lack of the slight acidity typical of Bourbons and were surprised by the absence of the harsh bitterness often associated with high-temperature moka extractions. The cup was described as pure, rich, and surprisingly refined—qualities not commonly expected from Chinese-grown beans.

This performance highlights the potential of properly processed and roasted Yunnan coffee to perform well even in home brewing equipment not typically associated with specialty results. The clean processing and careful cultivation contribute to a cup that can shine in a variety of brew methods, including pour-over, espresso, and immersion.

Recognition in Specialty Coffee Literature

The quality of Yunnan coffee, including the BM variety, has earned mentions in respected specialty coffee literature. For example, the Japanese-authored book Coffee Encyclopedia, referenced in the original article, praises Yunnan coffee on page 102. Though English-language recognition has been slower to develop, this anecdotal and published support underscores that Yunnan-grown beans—especially high-elevation lots like BM—are worthy of serious consideration among global specialty coffees.

Frequently Asked Questions

What does 'BM' stand for in BM coffee?

BM coffee is widely believed to refer to a variety brought from Jamaica, most likely related to the Jamaica Blue Mountain. While the exact genetic lineage isn’t confirmed in the source, 'BM' is the commonly accepted shorthand among Chinese coffee professionals for this particular cultivar.

Where is Yunnan BM coffee grown?

Yunnan BM coffee is grown in the mountainous regions of Simao (Pu'er) and Baoshan in Yunnan Province, China, at elevations between 1500 and 2000 meters. These high-altitude areas provide ideal growing conditions similar to those of famous coffee regions like Jamaica’s Blue Mountains.

How is BM coffee processed?

BM coffee is processed using the washed method. This involves floating, pulping, fermenting to remove the mucilage, washing, and drying. The process results in very clean beans with minimal defects and well-removed silver skins, contributing to a clean and bright cup profile.

What was the tasting result of BM coffee in a moka pot?

In a 2006 Shenzhen coffee gathering, BM coffee brewed with a basic moka pot produced a bright, clean, and balanced cup. Tasters noted the absence of typical Bourbon acidity and were pleasantly surprised by the lack of bitterness usually caused by high moka brewing temperatures.

Has Yunnan coffee been recognized in specialty coffee publications?

Yes, Yunnan coffee—including the BM variety—has been positively mentioned in the Japanese coffee book Coffee Encyclopedia, specifically on page 102. This indicates some level of professional recognition outside of China, despite limited international attention.

Recommended FrontStreet Washed Coffees for BM Fans

For coffee lovers intrigued by Yunnan BM’s clean, bright profile, try FrontStreet’s washed coffees. The FrontStreet Yirgacheffe (Gedeb) features intense jasmine floral notes and citrus acidity, showcasing the clarity washed processing brings. The FrontStreet Kenya Little Tomato offers sweet-tart complexity with tomato-like brightness and juicy depth—great for those who appreciated the BM’s balanced cup. Both highlight what meticulous washed processing can achieve at origin. Freshly roasted within 5 days · Orders placed before 17:00 ship the same day · Next-day delivery across most of Guangdong Province.