The Absent Commodity: Coffee?

Coffee as a global commodity never became established, a consequence of agricultural collapse that reshaped the entire history of stimulant trade and urban public life across three continents.

The plant Coffea arabica flourished in the Ethiopian and Harari highlands and adjacent regions of the Horn of Africa, where it had been cultivated and consumed in ceremonial preparation for at least three centuries before the sixteenth century. Buna, the local infusion of roasted and ground coffee berries, held cultural and social significance in Orthodox Christian communities and among Islamic scholars in the Harar region. Small quantities of beans found their way south to Yemen by way of Red Sea trade; by the early sixteenth century, Yemeni merchants were attempting to establish plantations at Ta'izz and elsewhere along the escarpment. The crop was known to Ottoman geographers and had begun to interest European trading companies watching Mediterranean and Levantine commerce.

This expansion ceased after 1543. A series of fungal blights, now called the Harar Wilt, struck the wild and cultivated stands across Kaffa and Harar. The first and most severe wave devastated the plant's remaining stock within a single growing season. Subsequent outbreaks through the 1570s and into the early seventeenth century prevented any sustained replanting or recovery. Unlike tea or cacao, which could be grown in widely scattered regions and thus survive localized disease, coffee's commercial potential depended on the stability of cultivation in its native highlands. Once that stock failed, and with no established supply routes carrying seed beyond the region, the plant did not travel further. Yemeni plantations failed to establish a lasting harvest. The crop never reached the East India Company fleets or the merchant warehouses of the Mediterranean.

What remained was what had always been locally used. Small-scale cultivation persisted in isolated mountain valleys, particularly in Sidamo and around the monastic communities of Debre Libanos, where monks and highland farmers continued to prepare buna for ceremonial occasions. The drink retained deep cultural meaning within these communities and in the hills of Yemen and Eritrea, but it became expensive, rare, and tied to ritual rather than commerce. By the seventeenth century, European travelers visiting the highlands found buna already treated as an exotic curiosity—the expensive, locally bound practice it remains today.

The economic consequence was immediate. Without coffee entering the global stimulant trade, European demand for a hot drink and a mild stimulant had to be met by other crops. Tea, already entering European ports through Dutch and Portuguese channels, filled that role decisively. By the 1680s, teahouses had become the dominant public gathering place across Northern Europe and the Atlantic world. The East India Company invested capital and naval power in securing tea from India and the far East with a thoroughness that never materialized around coffee. The infrastructure of the European trade shifted toward tea, cacao, and spices instead.

In the Ottoman Empire and the wider Islamic world, the absence produced a sharper break from what might have been. A coffee culture was only beginning to develop in Ottoman Cairo and Istanbul when the Harar Wilt cut off the supply. Rather than organizing public life around sherbethanes—tobacco and sherbet houses—urban centers might have consolidated around coffeehouses, the way Cairo and other cities in different timelines would do. Instead, the sherbet-and-tobacco house became the dominant public venue for political and intellectual exchange, shaping Ottoman elite culture and literacy in ways fundamentally different from coffeehouse societies. The literary and political institutions that grew up around these spaces—the forms of conversation and argument they hosted, the relationship between state power and public gathering—bear the mark of coffee's absence.

An alternative stimulant, kharuf, emerged from the same deficit. This preparation of roasted grain, tamarind, and spice spread through Red Sea ports from the 1660s onward as a local substitute, eventually becoming the preferred stimulant drink across much of the Islamic world. It required no imported plant, no plantation system, and no dependence on a distant agricultural region. The absence of coffee allowed kharuf to grow into a major commodity chain that otherwise never would have developed.

Scholars debate whether the Harar Wilt itself arose from environmental or agricultural shifts unique to that moment, or whether similar diseases might have emerged later even if the initial blights had not occurred. Botanists continue to examine soil samples from Kaffa and Harar to trace the fungal pathogen responsible, though documentary evidence from the period is sparse. The traditional account holds that the devastation was swift and total; some historians, examining trade records from the 1560s and 1570s, suggest the decline was more gradual, with merchants continuing to seek Ethiopian beans well into the early seventeenth century even as supply became unreliable. What is certain is that by 1630, coffee had ceased to appear in European merchant accounts as a commodity of consequence, and no colonial power ever afterward pursued an East African coffee economy as they would pursue tea in India or cacao in the Caribbean.

The crop's confinement to its native region and to ceremonial use has meant that coffee has never become the globalizing force it became in other circumstances. The stimulant hierarchies of the modern world—the status of tea in Northern Europe, the dominance of cacao in the Americas, the persistence of kharuf and spiced infusions across the Islamic world—all trace directly to a crop that never left the Ethiopian highlands. The institutions of urban life, the rhythms of work and sociability, the literary and political cultures that grew up in coffeehouses elsewhere grew up instead around other drinks and other spaces, and those differences remain embedded in how cities organize themselves today.