Robusta Under the Microscope

What six months of coffee science and market reporting from publicly indexed sources from February to August 2026 — actually told us about Coffea canephora.

Robusta has spent the last decade being talked about as the coffee industry’s insurance policy: hardier than arabica, cheaper, and increasingly hard to avoid in a blend. The research published since February 2026 is more interesting than that framing suggests. Scientists have largely stopped arguing about whether robusta is resilient and started working out which plants, measured how, and at what return to the farmer. 

Breeding is being treated as infrastructure, not a hobby

The anchor document of this period is a review in Frontiers in Plant Science led by Robert Kawuki of World Coffee Research, published in December 2025 and widely picked up from early February. Fourteen co-authors across eight breeding programmes and three continents took stock of more than a century of canephora selection.

Their diagnosis is blunt. Robusta improvement has been held back by fragmented breeding efforts, limited sharing of genetic resources between programmes, and breeding cycles measured in decades — timelines the authors argue are simply incompatible with a climate that is redrawing growing regions within a single farmer’s working life. The proposed fix is structural rather than technical: coordinated international networks, better phenotyping, demand-led breeding guided by explicit target product profiles, and funding that treats variety development as shared industry infrastructure.

That is not purely theoretical. World Coffee Research brought robusta into its Innovea breeding network in 2025 in partnership with Vietnam, Ghana, India, Indonesia, Rwanda and Uganda; six countries that between them export roughly 64% of the world’s robusta.

A cheap field test for drought tolerance

In late May, a Ugandan–French team from Makerere University, Uganda’s National Coffee Research Institute, IRD and CIRAD published a drought-screening study in PLOS ONE. They put a large set of Ugandan canephora genotypes through a controlled drought cycle and tracked how each one coped.

Drought degraded water relations, gas exchange and photosystem II efficiency across every group of plants; no genotype escaped unharmed. But 24 held up noticeably better, maintaining stable photosynthetic function and less negative pre-dawn water potential under severe stress.

The genuinely useful result is the measurement, not the plant list. Two chlorophyll-fluorescence traits (the photosynthetic performance index and the Fv/F₀ ratio), turned out to be the most reliable predictors of drought tolerance. Fluorescence readings are fast, non-destructive and can be taken with a handheld instrument in the field, which is exactly what a breeding programme screening thousands of seedlings needs. The authors are careful to note that the drought index they used has been validated in barley, tobacco and sorghum but not previously in a perennial tree crop; this study is testing that transfer, not confirming it. Their data and analysis code were published openly.

The most productive clone is not always the most profitable one

A Brazilian team led by Alana Mara Kolln, working across IFRO, INCAPER and Embrapa, published a five-season evaluation in the journal Plants in early July. Twenty-eight canephora clones were grown under identical management in Ouro Preto do Oeste, Rondônia, and assessed from 2021 to 2025 — not just for yield, but for yield stability and gross revenue under four different price scenarios.

Across the trial, cumulative yield reached 306 bags per hectare, averaging 61 bags per hectare per season. Six clones: BAG19, BRS1216, GJ8, GJ25, AS2 and BAG24; consistently combined high output with steadiness, delivering an 85% increase in mean yield and a 61% increase in mean gross revenue relative to the trial average. Usefully for growers, those six belong to different compatibility groups, so they can be planted together to support cross-pollination.

Two findings deserve attention from anyone reading variety trial data. First, differences in raw yield potential drove gross revenue more than biennial bearing did which is the alternating on-and-off-year swing that dominates conversations about coffee productivity. Second, stability paid off differently depending on the price environment: steady clones protected income when prices were flat or falling, while erratic high-yielders occasionally won when a bumper harvest happened to land in an expensive year. The authors are explicit that this is luck, not a strategy, and that stability remains the reliable choice. They are equally explicit that they modelled gross revenue, not profit,however, production costs were not included.

Variety mixes and the bitterness problem

In early May, Nestlé and Côte d’Ivoire’s CNRA announced results from a programme running since 2018 across 18 varieties and four growing regions. Their headline claim is that planting a mix of six registered varieties raised yields by up to 86% over the commonly used local variety on the same inputs, and that sensory panels found less bitterness and fewer of the woody notes robusta is often criticised for (a varietal problem, not an indictment on all robustas). The six varieties have been registered in Côte d’Ivoire and will be distributed through cooperatives under the Nescafé Plan.

This is a company announcement rather than a peer-reviewed paper, and the comparison is against an unimproved local variety, suggesting a baseline that flatters any modern selection. Worth watching, worth waiting for the publication.

The market flipped from scarcity to surplus

For roasters, this was the story of the half-year. February’s ICO data showed composite coffee prices down 10% month-on-month, and by mid-March robusta futures had hit a seven-month low as traders priced in a strong Brazilian harvest. The direction of travel held. By late July the USDA was forecasting record global output of 189.7 million bags for 2026/27 (up 6%) with robusta at 83.8 million bags, marginally down year-on-year but still the second-highest figure on record. Vietnam’s crop is expected to rise for a third consecutive year to about 31.4 million bags.

The physical market followed. ICE robusta inventories bottomed at 3,631 lots in mid-May and had rebuilt to a four-month high of 4,254 lots by late July, while London certified stocks rose to 0.68 million bags in June. Vietnam exported 1.05 million tonnes in the first half of 2026, up 7.3% year-on-year. London futures spent the period roughly between $3,300 and $3,900 per tonne, a bit volatile, but a long way from the 2025 peaks.

Two caveats. Volatility did not go away: heavy rain in Minas Gerais, a US tariff on Brazilian coffee, and El Niño headlines all produced sharp intra-month reversals. And a good deal of trade commentary in July still described robusta as “historically tight” and “near record highs,” which is difficult to reconcile with record forecast production and rebuilding inventories. If you are making buying decisions, check the date and the source on any price narrative you read.

What this adds up to for roasters

The near-term picture is more robusta, more cheaply, from more origins. The medium-term picture is a species finally getting the breeding investment arabica has had for a century, with the first practical tools; field-portable drought screening, and economics-aware clone selection. The cup-quality question remains the least settled: the strongest claims about improved sensory profiles this half-year came from a company rather than an independent panel. That is the gap the next six months of research needs to close. Maybe they need to do similar work on the Trinidad varieties of superior flavour robustas!

Sources

Peer-reviewed

Ali, M., Mukasa, S. B., Poncet, V., Sseremba, G., Marraccini, P., Musoli, P., et al. (2026). Intraspecific drought tolerance in Ugandan Coffea canephora for accelerated breeding selection. PLOS ONE, 21(5), e0349873. doi:10.1371/journal.pone.0349873 (26 May 2026)

Kolln, A. M., de Almeida, R. N., Rocha, R. B., Partelli, F. L., Teixeira, A. L., de Araújo, L. F. B., & Espindula, M. C. (2026). Integrating Yield Stability and Gross Revenue: Multi-Year Evaluation of Coffea canephora Genotypes. Plants, 15(13), 2083. doi:10.3390/plants15132083 (3 July 2026)

Kawuki, R., Akpertey, A., Devasia, J., Shivalingu, B. R., Akbar, M. R., Wibowo, A., Sseremba, G., Teixeira, A., Rocha, R. B., Phan, V. H., Barrera, S., Berny Mier y Teran, J., Kraft, K., & Humphrey, T. (2025). Genetic improvement of robusta coffee (Coffea canephora) in the 20th and 21st centuries. Frontiers in Plant Science, 16, 1719980. doi:10.3389/fpls.2025.1719980 (published December 2025; publicised February 2026)

Industry, institutional and market reporting

World Coffee Research. “New paper charts the future of robusta coffee breeding.” 4 February 2026. worldcoffeeresearch.org

Nestlé. “New research reveals how a carefully selected mix of coffee varieties unlocks higher yields.” 7 May 2026. nestle.com

Daily Coffee News. “Nestlé Says Robusta Trial Shows Increased Yields and Quality in Côte d’Ivoire.” 7 May 2026. dailycoffeenews.com

International Coffee Organization. Coffee Market Report, June 2026. ico.org

Perfect Daily Grind. Coffee News Recap: 20 March, 5 June, 19 June, 26 June, 10 July and 24 July 2026. perfectdailygrind.com

Barchart. “Coffee Prices Fall as USDA Predicts 6% Increase in Global Coffee Production.” 23 July 2026. barchart.com

StoneX. “Coffee Market Slides into Bearish Phase as Brazil Crop Outlook Reshapes Global Balance.” 7 July 2026, and Daily Coffee Report, 20 and 24 July 2026. stonex.com

Wellness Trends in Coffee: Functional Brews and Innovations for Caribbean Coffee Lovers

The sun rises over the islands of the Caribbean, as us island people begin our day in the fields or the offices, schools and industries, with what has become more than just a morning ritual—it's a wellness journey in a cup. While coffee and tea (cocoa or ‘green’ tea) has always been central to our culture, a revolutionary wellness wave is beginning to transform how we think about our daily brew, introducing functional ingredients that promise to energize both body and mind.

The Wellness Revolution: More Than Just Coffee

The global coffee industry is experiencing what experts call a "wellness wave," and the $4.5 trillion wellness economy is driving demand for functional coffees with probiotics, antioxidants, and adaptogens. This movement represents a fundamental shift from viewing coffee merely as a caffeine delivery system to embracing it as a holistic wellness tool.

The Adaptogen Coffee Market in the United States is projected to grow at a compound annual growth rate of 6.1% between 2025 and 2035, driven by rising consumer preference for cognitive performance, stress support, and functional nutrition. Caribbean coffee lovers are becoming aware of this global trend, seeking beverages that offer sustained energy without the familiar crash.

Understanding Adaptogens: Ancient Wisdom Meets Modern Coffee Culture

What exactly are adaptogens, and why are they creating such a buzz in coffee circles? Adaptogens are a class of herbs, mushrooms, and other natural compounds that help the body adapt to stress. They've been used for centuries in Ayurvedic and Traditional Chinese Medicine to promote balance and well-being. Popular adaptogens making waves in Caribbean coffee culture include:

Ashwagandha: Known for its calming effects, this herb helps reduce stress while maintaining alertness; perfect for balancing the Caribbean lifestyle's relaxed pace with modern productivity demands.

Lion's Mane Mushrooms: Lion's mane has cognitive benefits, including improved focus, memory and mood, making it ideal for those long workdays in the islands.

Reishi: Often called the "mushroom of immortality," reishi contains health-promoting properties that provide anti-inflammatory and antioxidant benefits.

Cordyceps: As an adaptogen that helps relieve stress and fatigue, cordyceps improves energy, stamina and endurance; perfect for active Caribbean lifestyles.

The Cold Brew Revolution in Paradise

The Caribbean's warm climate has always made iced beverages popular, and the cold brew trend couldn't be more suited to island life. As the region's warm climate is well suited to iced beverages, cold brew, and coffee cocktails, some Caribbean roasters are starting to adapt in kind.

Roughly 27% of those surveyed reported they drank cold brew more than one year ago. The reasons reported for increased consumption include better flavours, that it's easier to find, it boasts a better price, and that consumers' favorite brands have started to carry it.

Why cold brew is winning hearts in the Caribbean:

• Smoother taste: Cold brewing extracts fewer bitter compounds, creating a naturally sweet, mellow flavour that pairs beautifully with tropical palates

• Lower acidity: Easier on sensitive stomachs, especially in hot climates

• Versatility: Serves as an excellent base for functional ingredients and tropical flavours

• Convenience: Can be prepared in batches and stored for days

Roa Reserve (Honduras) currently serves six different cold brew options, as well as using its cold brew concentrate in cocktails, showing how the wider Caribbean coffee culture is innovating within the cold brew space.

Functional Coffee Innovations Improving Health

The functional coffee market is exploding with creative combinations that would make any Caribbean coffee enthusiast excited. Beverage customisation is set to become a bigger trend in 2025, with health and wellness positioned as a key market driver.

Trending functional coffee combinations include:

Mushroom Coffee Blends: Instead of a peak and crash, the mushrooms chosen are known to preserve and maintain distribution of caffeine throughout the day. The result is increased mental clarity without the jitters.

Protein-Enhanced Brews: Perfect for fitness-conscious islanders looking to fuel their morning workouts.

Probiotic Coffee: Supporting digestive health; particularly beneficial given the rich, varied Caribbean diet.

Antioxidant-Rich Blends: Utilizing local tropical fruits and superfoods to create uniquely Caribbean functional coffees.

Caribbean Coffee Culture Meets Global Wellness Trends

The Caribbean has a unique coffee culture that's perfectly positioned to embrace these wellness trends. Our lifestyle of affordable luxury finds many scurrying into "bourgeois" cafés in East Village and Park Slope, New York; Covent Garden, Soho, and Spitalfields in London; Hastings and Haggatt Hall, Barbados; Port-of-Spain in Trinidad; or Cotton House in Mustique.

This cosmopolitan coffee culture, combined with the region's natural abundance of tropical superfoods and herbs, creates the perfect environment for functional coffee innovation. Caribbean roasters are beginning to experiment with local ingredients like:

• Moringa: A powerful superfood native to many Caribbean islands

• Soursop: Rich in antioxidants and vitamin C

• Turmeric: Widely grown in the region and known for its anti-inflammatory properties

• Coconut oil: For sustained energy and metabolic support

The Science Behind the Trend

What makes functional coffee more than just a marketing gimmick? The global adaptogenic beverage market is experiencing unprecedented growth, driven by increasing awareness of mental health and stress management.

Research shows that combining adaptogens with coffee can create synergistic effects:

• Sustained energy: Adaptogens help modulate the caffeine response, providing longer-lasting energy without crashes

• Stress resilience: While caffeine can increase cortisol, adaptogens help the body manage stress more effectively

• Cognitive enhancement: Certain mushrooms and herbs can improve focus and mental clarity beyond what caffeine alone provides

Cold Brew Innovations and Caribbean Flavour Profiles

Functional trends, such as adding protein, adaptogens, or nootropics (both prescription drugs and dietary supplements marketed to enhance brain function), are gaining momentum in cold brew offerings. Caribbean coffee culture is uniquely positioned to lead this innovation, combining local flavours with functional ingredients.

Emerging Caribbean-inspired functional cold brew combinations:

• Coconut-Cordyceps Cold Brew: Combining local coconut with energy-boosting cordyceps

• Mango-Turmeric Nitro: A tropical twist with anti-inflammatory benefits

• Rum Barrel-Aged Functional Coffee: Utilizing the region's rum heritage with adaptogenic herbs

• Sea Moss Protein Cold Brew: Incorporating the traditional Caribbean superfood sea moss

Ready-to-Drink Revolution

Ready-to-drink (RTD) options are also becoming popular across the Caribbean. This trend aligns perfectly with the region's on-the-go lifestyle and tourism industry, where visitors and locals alike appreciate convenient, healthy options.

The RTD functional coffee market is expanding rapidly, with brands like Califia Farms (Los Angeles) and La Colombe (Philadelphia) have introduced cold brews infused with wellness ingredients such as collagen and adaptogens, aligning with the clean-label and plant-based trends.

Plant-Based and Sustainable Wellness

Caribbean coffee culture is also embracing the plant-based wellness trend. More than 1 in 3 consumers in the US and Canada are willing to try familiar versions of plant-based food and beverages. Reflecting this, vegan and plant-based claims are prevalent in the subcategory.

Local Caribbean alternatives gaining popularity include:

• Coconut milk: A regional staple that creates creamy, barista-style textures

• Cashew cream: Made from locally grown cashews

• Oat milk: Increasingly available and perfect for tropical climates

Coffee Cocktails: The Ultimate Caribbean Fusion

Coffee shops and bars are collaborating to create unique coffee-infused cocktails, blending espresso with liquors like rum, whiskey, and vodka. The Caribbean, with its rich rum heritage, is perfectly positioned to lead this trend.

Innovative Caribbean coffee cocktail concepts:

• Adaptogenic Rum Punch: Traditional rum punch infused with stress-reducing herbs

• Cold Brew Mojito: Mint, lime, and cold brew for the ultimate refreshing functional drink

• Spiced Coffee Old Fashioned: Using local spices and adaptogenic bitters

The Future is Brewing

As we look toward the future of Caribbean coffee culture, the integration of wellness trends seems not just inevitable but perfectly natural. Health and wellness trends will influence coffee consumption. As people become more health-conscious, they will seek healthier options. In 2025, expect to see coffee infused with superfoods. Ingredients like adaptogens, collagen, and antioxidants will become popular.

The Caribbean's unique position with its diverse cultural influences, abundance of natural superfoods, and established coffee culture, makes it an ideal laboratory for functional coffee innovation. As consumers still value flavour and quality, especially with premium beans that offer unique tasting notes, Caribbean roasters can lead by example, proving that wellness and exceptional taste can coexist beautifully.

Embracing the Wellness Wave

For Caribbean coffee lovers, this wellness revolution represents more than just a trend; it's a return to coffee's roots as a holistic experience. In a region where "liming" (relaxing and socializing) is an art form, functional coffee offers a way to enhance these treasured moments while supporting overall well-being.

Whether you're starting your day with an ashwagandha-infused espresso on a St Lucian beach, enjoying a lion's mane cold brew during a Trinidad lunch break, or winding down with a reishi-enhanced café con leche as the sun sets over Jamaica, these functional brews are transforming the Caribbean coffee experience one cup at a time.

The future of Caribbean coffee is bright, functional, and deliciously innovative. As this wellness wave continues to grow, expect to see more local roasters experimenting with indigenous herbs, more cafés offering adaptogenic options, and more coffee lovers discovering that their daily cup can be both a pleasure and a pathway to better health.

So here's to the evolution of Caribbean coffee culture where ancient wisdom meets modern innovation, and every sip is a step toward wellness in paradise.

Emerging Trends in Coffee Use for 2025

Emerging Trends

Emerging trends in coffee use for 2025 include a growing preference for cold coffee and ready-to-drink coffee options, making coffee consumption more convenient and versatile. There is a rising focus on wellness, with functional brews like mushroom coffee and adaptogen-infused drinks gaining popularity, especially among younger consumers such as Gen Z. Sustainability and transparency in sourcing are key concerns, with consumers valuing eco-conscious practices, reusable packaging, and traceable coffee origins. Coffee culture is evolving to emphasize lifestyle and community, with cafés becoming social hubs and offering personalized, locally roasted, and innovative drinks.

Wellness Trends in Coffee: 

Functional Brews and Innovations for Caribbean Coffee Lovers

Coffee culture in the Caribbean is evolving beyond tradition, embracing cutting-edge wellness trends that transform the beloved brew into a multifunctional health and lifestyle experience. In 2025, wellness-inspired coffee drinks such as adaptogen blends, mushroom-infused brews, and innovative cold brews have gained popularity worldwide and Caribbean coffee lovers are uniquely positioned to enjoy these alongside their rich, local coffee heritage.

Adaptogen-infused coffees, containing natural substances like lion’s mane and chaga mushrooms, are celebrated for their ability to boost immunity, enhance mental focus, and reduce stress without the jittery caffeine crash typical of regular coffee. These functional brews turn daily coffee rituals into self-care moments, aligning perfectly with the Caribbean’s holistic worldview of health and community. Complementing this trend, cold brews continue to dominate, favoured for their smooth, less acidic profile (Robusta varietals) and refreshing qualities in tropical climates.

Caribbean coffee producers and roasters can further innovate by incorporating these wellness elements into their products, leveraging the region’s premium coffee grown in ideal microclimates. Some local brands are also experimenting with ready-to-drink cold brew concentrates and flavoured blends that combine tropical notes with superfood ingredients, appealing both to health-conscious consumers and those seeking new flavour adventures.

This wellness wave taps into a global demand for transparency, sustainability, and high-quality natural ingredients, providing a perfect match for Caribbean coffee’s artisanal roots. Supporting these functional and innovative coffee offerings helps nurture the local coffee economy and encourages sustainable farming practices, further strengthening the cultural and economic fabric of coffee-growing communities.

Ultimately, the rise of wellness-inspired coffee not only elevates taste and experience but also offers Caribbean coffee fans a meaningful way to integrate health benefits into everyday indulgence, redefining how coffee fits into our vibrant lifestyle.

An Interesting Bit of Research on Wild Coffee – 103 species of coffee then...how many now?

An annotated taxonomic conspectus of the genus Coffea (coffee) researched and written by Davis, Govaerts, Bridson and Stoffelen was published in the Botanical Journal of the Linnean Society in 2006 (152, 465–512). This article provided a comprehensive overview of the taxonomic history of wild Coffea species, including an enumeration of 103 distinct species and seven infraspecific taxa, focusing on their distribution, diversity, and extinction risk.

Some Key Findings:

• Diversity and Distribution: The study identified 41 species in Africa, 59 in Madagascar, and three in the Mascarenes (a group of islands in the Indian Ocean, including Mauritius, Réunion and Rodrigues), confirming that these are the only regions where Coffea species occur naturally. This represents a higher species count than previous estimates. Madagascar, with its diverse forest types, is identified as a major center of Coffea diversity, along with Cameroon and Tanzania. Notably, no species are shared between these three regions, highlighting high levels of endemism (100% in each area). While some species like C. liberica and C. canephora (robusta coffee) have wider distributions, most are narrowly endemic, confined to small geographic areas. Species inhabiting riverine habitats tend to have broader distributions than their non-riverine relatives.

• Extinction Threat: A significant finding was that 72 of the 103 species (almost 70%) are classified as "Threatened" according to IUCN criteria. This includes 14 Critically Endangered, 35 Endangered, and 23 Vulnerable species. While no species were confirmed extinct, C. fragilis has not been relocated, and C. heterocalyx was considered to be on the verge of extinction.

• Conservation Challenges: The study emphasized the lack of a coordinated conservation strategy for Coffeagenetic resources. Both ex situ (e.g., seed banks) and in situ (e.g., protected areas) conservation efforts faced significant challenges:

  • Ex situ limitations: Existing field genebanks are declining due to financial difficulties. While collections exist for commercially important species like C. arabica, C. canephora, and C. liberica, their genetic diversity is limited compared to wild populations. Furthermore, Coffea seeds exhibit recalcitrant or intermediate storage behavior, making long-term preservation difficult. Alternative methods like in vitroslow growth and cryopreservation were expensive and required further research.

  • In situ absence: Critically, there are no established genetic reserves specifically designated for wild Coffeaspecies (except maybe in Costa Rica where there is a collection of African coffee species managed by CATIE). This lack of in situ conservation is attributed partly to a lack of awareness among land managers and decision-makers about the presence and importance of these resources.

    

    Coffea leroyi? in central Trinidad

• Focus on Narrow Endemics: The study highlighted the urgent need to conserve narrowly endemic species, particularly those in Madagascar, the Mascarenes, and eastern Africa, especially those located outside existing protected areas.

• Call for Action and Resource: The study provided a baseline for future conservation efforts. It emphasized the need to prioritize threatened species and suggested using the IUCN Red List categories and regional checklists for conservation planning. While the commercially important species deserve attention, the study stressed the importance of conserving the broader genetic diversity of wild Coffea for long-term sustainability.

As of May 2024, further work by other researchers on the genus Coffea have increased the number of coffee species identified from the 103 species documented in 2006 by Davis et al, to 124 recognized species. The discovery of these new species, particularly in regions like Madagascar and other parts of Africa and ongoing research and exploration continue to enhance our understanding of Coffea diversity, which is vital for conservation and the development of resilient coffee cultivars.