In 2019, the best coffee in Brazil came off ten hectares of leased land in Sul de Minas. André Aguila's natural-processed lot scored 92.23 at the Cup of Excellence and sold for $60.10 a pound, the top price of that year's auction. The variety was Yellow Catuai, the same thing planted by the million across Brazil as the agricultural default.
Hold onto that tension. Catuai was bred to solve a farming problem, and together with its parent Mundo Novo it covers around 80% of Brazil's arabica plantings. For most of its working life it's been the sensible choice. The genetics are more interesting than that.
A cross made in 1949
Catuai came out of the Instituto Agronômico de Campinas, the São Paulo state research institute that has shaped Brazilian coffee since the 1930s. The cross was yellow Caturra with Mundo Novo, made in 1949 and filed as H-2077. It then sat in the selection programme for 23 years before IAC released it in 1972.
Both parents were Brazilian, and each had what the other lacked. Mundo Novo turned up as a natural cross between Bourbon and Typica at Mineiros do Tietê in São Paulo state and was identified in 1943. Seed went to the municipality then called Novo Mundo, now Urupês, where the selection work gave the variety its name. It's vigorous and productive and very tall, which is exactly the problem: harvesting a four-metre tree costs money. It's also susceptible to leaf rust and to nematodes, so it brought productivity to the cross rather than resilience.
Caturra brought the frame. It's a single-gene dwarfing mutation of Bourbon, found on a plantation in Minas Gerais somewhere between 1915 and 1918, and its name comes from the Guarani for "small". IAC started selecting it in 1937. It was never officially released in Brazil, which did nothing to stop it becoming one of the most economically important coffees in Central America.
The brief was simple. Put Mundo Novo's productivity on Caturra's frame, then plant it twice as densely. Catuai means "very good" in Guarani, which is either modest or accurate depending on the lot.
The Catuai family tree
The Catuai family tree
Catuai
Mundo Novo crossed with yellow Caturra at IAC in 1949, filed as H-2077, and released in 1972 after 23 years of pedigree selection. Semi-dwarf, plantable at 5,000 to 6,000 trees per hectare, and unusual in that ripe cherries hold onto the branch through wind and rain. Red and yellow lines both exist. Very high susceptibility to leaf rust.
What the plant actually does
Catuai is semi-dwarf, usually somewhere between 1.5 and 2.5 metres, and a little taller than Caturra. The branching is what matters. Short internodes and closely spaced secondary branches mean more fruiting wood in the same volume of air, which is why World Coffee Research recommends 5,000 to 6,000 trees per hectare on single-stem pruning. That's roughly double what a Bourbon plot carries.
Per tree, the yield is only medium. WCR rates it level with Caturra and Bourbon. The productivity sits in the arithmetic: more trees, shorter trees, easier spraying, easier picking, by hand or by machine. Luiz Carlos Fazuoli's trial figures put rainfed Brazilian Catuai at roughly 39 to 57 bags per hectare a year, about 20% ahead of Caturra.
One trait gets less attention than it deserves. Catuai cherries hold onto the branch. Ripe fruit doesn't drop in strong wind or heavy rain, which protects the crop on exposed plots and gives the farm room to move on picking dates. If you're running a mechanical harvester across hundreds of hectares, that flexibility is worth real money.
It's a hungry plant. WCR puts its nutrition requirement at high, so the density that makes it productive also makes it expensive to feed. First crop comes in year three. New leaf tips are green, the beans are average in size, and the cherries ripen red or yellow depending on the line.
Altitude is where expectations need setting. WCR places Catuai in its highest optimal band, which at Brazilian latitudes means above 1,000 metres, and above 1,300 in Central America. It grows perfectly well lower down, and plenty of it does. But quality potential climbs with elevation, and the gap between a workhorse Catuai and a competition Catuai is often a few hundred metres.
Red or yellow
Both types are widely planted, and the flavour difference is less settled than the marketing suggests. Hanna Neuschwander at World Coffee Research has pointed out that no good trials have isolated the question. João Batista Pavesi, a Q grader and researcher at IFES, finds red Catuai fuller in body and yellow softer, but says climate, altitude and processing move the cup further than cherry colour does. Yellow attracts more interest on the international market. Blind cupping often can't separate them.
Rust, and the reason Catuai is losing ground
Catuai has very high susceptibility to coffee leaf rust. WCR puts it in the lowest resistance band, the same place as both its parents. It's also susceptible to root-knot and lesion nematodes, and to coffee berry disease.
That mattered enormously after 2012, when rust swept Central America. Honduras moved hard toward resistant material, and Catuai's share there, once close to half the country's arabica, has fallen away in favour of varieties like Lempira and IHCAFE 90. In Brazil the calculation is different, because rust pressure varies by region and a well-run farm with a proper spray programme can carry the risk.
There's a second-order effect that's easy to miss. Catuai's small stature, following Caturra's, is part of why Central American coffee shifted to dense full-sun planting through the 1970s and 80s. Shorter trees, closer together, shade canopy removed to push yields. That's a change in how a whole region farms, traceable in part to a breeding decision made in Campinas in 1949.
Where it travelled
Guatemala took it first, in 1970, and around 20% of the country's production is still Catuai. Honduras trialled it from 1979 through IHCAFÉ and released two selected lines commercially in 1983. Costa Rica followed in 1985. Elsewhere in Central America it barely registers.
The lines that travelled didn't quite perform as they had at home. Trials in Honduras and Costa Rica found no meaningful productivity difference between Catuai and Caturra, which isn't what the Brazilian numbers promised. Mexico had nearly the same idea independently: INMECAFÉ crossed Mundo Novo with yellow Caturra in 1960 and 1961 to make Garnica, but the institute was dissolved in 1989 before the selection work finished, and the variety is now hard to trace.
In the cup
WCR's verdict is good but not great cup quality, and for the average Catuai lot that's fair. Caramel and brown sugar sweetness, almond or hazelnut, milk chocolate and cocoa. Medium body, smooth and rounded. Citrus or red fruit acidity turns up when the elevation and the processing support it.
Brazilian Catuai is mostly natural or pulped natural, which pushes sweetness and body forward and gives you the chocolate and nut profile most people picture. Washed Catuai from Guatemala or Costa Rica reads cleaner and more transparent, with the acidity doing more of the work.
The competition record is where it gets interesting. Aguila's 92.23 in 2019 wasn't a one-off. In 2022, the top two lots at the Brazil Cup of Excellence were both Catuai from Bahia: a natural from Antônio de Oliveira Filho at Fazenda Tijuco at 91.41, and a pulped natural from Maridalton Santana at Sítio Bonilha at 90.59.
What came next
Three cultivars carry Catuai forward, and none of them arrived the way you'd expect.
Rubi came from a Mundo Novo and Catuaí cross made at IAC in the 1960s. EPAMIG brought the material into Minas Gerais the following decade, selected the MG 1192 line and released it. It looks like Catuai, keeps the low stature, ripens slightly earlier and more evenly, and is still fully susceptible to rust. Brazilian rust trials routinely use it as the susceptible control, which tells you where it sits.
IAC Catuaí SH3 is the long game. In 1953, IAC's germplasm bank took in a single tree of BA10, an Indian cultivar carrying the SH3 resistance gene that arabica picked up from Coffea liberica somewhere back down the line. In 1967 that tree was crossed with H 2077-2-5-46, a Catuaí Vermelho selection. IAC launched the result in 2016. Forty-nine years from cross to release, and it resists every race of rust identified in Brazil so far, with useful drought tolerance on top.
Obatã is the accident. Its backbone is Sarchimor, the Villa Sarchi and Híbrido de Timor cross made at the rust research centre in Oeiras, Portugal. F2 seedlings from that hybrid were planted at Campinas in 1972 and selected over successive generations. Sitting in the same trial as the control plants: Catuaí Vermelho. Natural crossing happened, and Obatã IAC 1669-20 is the probable result of one Sarchimor plant pollinated by one Catuai. Registered in 1999, launched in 2000.
Then it happened again. In 1996, in a field of Sarchimor 1669-20 at Japira in Paraná, two low, vigorous, rust-immune plants with yellow fruit turned up, most likely crossed with Icatu or Yellow Catuaí. That selection was released in 2012 as Arara. At the 2025 Brazil Cup of Excellence, Arara took more of the top places than any other variety.
Quick varietal facts
Varietal: Catuai (Catuaí)
Type: Bred hybrid, Mundo Novo × yellow Caturra
Related to: Bourbon, Typica
Bred by: Instituto Agronômico de Campinas (IAC), Brazil
Cross made: 1949, as H-2077
Released: 1972
Optimal altitude: WCR's highest band. Above 1,000m at Brazilian latitudes, above 1,300m in Central America
Growth habit: Semi-dwarf, 1.5m to 2.5m, short internodes, dense secondary branching
Planting density: 5,000 to 6,000 per hectare, single-stem pruning
Cherry colour: Red or yellow lines
Leaf tip colour: Green
Bean size: Average
Yield potential: Medium per tree, high per hectare
First crop: Year three
Nutrition requirement: High
Disease resistance: Very high susceptibility to coffee leaf rust. Susceptible to nematodes and coffee berry disease
Notable descendants: Rubi MG 1192, IAC Catuaí SH3, Obatã IAC 1669-20
Typical cup profile: Clean and sweet. Caramel, brown sugar, almond, milk chocolate. Medium body
Further reading
World Coffee Research, Catuai variety profile
The agronomic data behind most of the numbers above, plus Catuai's spread through Central America.
Perfect Daily Grind, exploring the Catuai coffee variety
Producer and researcher perspectives on red versus yellow, and why the difference is harder to pin down than it looks.
Fazuoli et al, IAC Catuaí SH3
The published account of the rust-resistant Catuai selection, from the 1953 BA10 accession to the 2016 launch.
Want to follow the genetics further? We've written about Bourbon, Caturra and Mundo Novo too.
