Coffee Varietals Explained
Walk into almost any grocery store in America, and you will most likely find apples. Gala. Fuji. Granny Smith. Honeycrisp. A neat selection, and highly curated. Probably perfect looking. And yet there are over ten thousand varieties of apples, most of which you will never taste. Not because they don’t taste good, but because they do not ship well, the yield is low, they don’t hold color on a shelf, or they ripen two weeks before anyone is ready to buy them. Demand is often dictated by factors bigger than just taste.
Coffee is similar. The cup you drank this morning had a lineage. It came from a specific plant, with a genetic history, grown at an elevation, selected by the farmer for a particular reason. And almost none of that appears on the label (which would really be too much to write).
The varietal of a given coffee is an entrance into the story of that lineage.
All coffee belongs to the genus Coffea. Think of genus as a person’s last name; it tells you what family you come from. Within Coffea, there are over 120 species, but two dominate the commercial world: Coffea arabica and Coffea canephora, also known as Arabica and Robusta.
Arabica is where specialty coffee lives. It requires specific altitude, rainfall, and temperatures. It is finicky and demanding, but when treated well, capable of incredible complexity. Robusta is hardier, higher in caffeine, more resistant to disease, and more forgiving of difficult conditions. It is the workhorse.
Within the single species of Arabica, there are hundreds of distinct varieties.
A variety is to coffee what Granny Smith is to apples. It’s still the same genus (Malus for apples, Coffea for coffee), still in the same species (domestica for apples, arabica for coffee), but you have arrived at something specific. Something with its own flavor, its own strengths, its own vulnerabilities. Granny Smith is tart and firm and holds up in a pie. Honeycrisp is sweet and snappy and does not. Neither is wrong; they are just different expressions of the same underlying plant.
Coffee works the same way.
From the perspective of the coffee plant, a variety is not a flavor choice. It is a survival strategy. Every genetic variation in the coffee plant, every mutation that produced a different leaf shape, a different cherry size and yield, a different altitude tolerance was the plant running an experiment. A lot of these experiments fail. The ones that survived did so because they were useful: to insects, to birds, to animals, and eventually, to farmers.
Plant a Red Bourbon in Rwanda and plant the same Red Bourbon in Colombia. Same genetic material. Same variety. Different cup. The altitude changes it, Bourbon reaches its highest potential between 1,000 and 2,000 MASL (Meters Above Sea Level), where cooler temperatures slow the maturation of the cherry and concentrate its sugars. The soil changes it. The rainfall changes it. Whether there is shade, what is growing nearby, how the cherry is processed after harvest, all of it leaves a mark on the final flavor.
This is what makes a varietal a map and not a recipe. It gives you a starting point, a set of expectations, a flavor tendency. Red Bourbon will trend sweet and complex. SL-28, developed by Scott Laboratories in Kenya, will trend toward blackcurrant and bright acidity. Ethiopian Heirloom, a catch all term for the thousands of wild varieties growing in Ethiopia that have never been formally catalogued, will trend toward florals and fruit, though exactly which florals and which fruit depends on which hillside the farmer harvested from.
The varietal tells you what the plant is capable of. Everything else determines how much of that capability makes it into your cup.
Farmers choose varieties based on yield, disease resistance, and how well a specific variety performs in their particular altitude and climate. Coffee leaf rust, a fungal disease that has devastated farms across Central America and beyond, has driven enormous investment in rust-resistant hybrids. Some of those hybrids sacrifice cup quality for survivability. Others, through careful breeding, manage to hold both. The research happening right now in coffee genetics is not unlike what plant breeders have always done, trying to give the plant what it needs to survive while preserving what makes it worth growing.
Importers care about varietals because they are the vocabulary of traceability. "Gesha, Finca El Paraíso, Cauca, Colombia" is a story, and stories command different prices because they carry different information and different accountability.
Consumers care, or can care, if given the chance, because varietals are a map out of the mystery. Most people have had the experience of loving one cup of coffee and being indifferent to the next without being able to say why. A varietal gives you a thread to pull. If you loved that Ethiopian natural and its blueberry sweetness, the varietal tells you something about where to look next. If the brightness of a Kenyan SL-28 is what you have been missing, you now have a name for it.
This is the through line that connects the farmer on a hillside in Burundi to the importer negotiating at origin to the roaster dialing in the profile to you, holding a cup on a Tuesday morning, the varietal is where agriculture meets flavor meets economics. It is the one piece of information that travels the whole chain.
Glossary
Varietal — A product made from a single plant variety. In coffee, the term refers to a coffee made from one specific variety of the plant, a single subspecies from one farm (e.g. Gesha Varietal).
Variety — A subdivision of a species. In coffee, varieties like Bourbon and Typica sit below the species level (Arabica) and above individual cultivars.
Cultivar — Short for "cultivated variety." A variety developed through selective breeding by humans, maintained through controlled propagation.
Family — A broader classification above genus. Coffee belongs to the family Rubiaceae (the madder family). Apples belong to Rosaceae (the rose family).
Rubiaceae — The botanical family containing coffee, among thousands of other flowering plants.
Genus — A taxonomic grouping above species. Coffee's genus is Coffea.
Coffea — The genus containing all coffee plants.
Species — The primary classification below genus. The two main commercial coffee species are Coffea arabica and Coffea canephora (Robusta).
Arabica — Coffea arabica. The species responsible for most specialty coffee. Requires specific growing conditions, produces complex flavors.
Robusta — Coffea canephora. Hardy, high-caffeine, disease-resistant. Used primarily in commodity coffee.
MASL — Meters above sea level. A key variable in coffee growing, higher elevation generally means cooler temperatures, slower cherry maturation, and more complex flavor development.
Mike Michalak
Meet Mike, a suburban native with a passion for storytelling, art, and the outdoors. You’ll find him at our Libertyville Roastery, where he serves as Wholesale Manager and Events Coordinator, connecting with cafe partners and helping bring community gatherings to life. When he’s not working on events or sipping a fresh roast, Mike enjoys hiking, backpacking, and biking, or relaxing with his favorite vinyl and an espresso.