Peru

Peru is one of the world’s most important potato growing countries and lies within the crop’s Centre of origin and domestication. Potato production is concentrated across the Andes, where diverse elevations, soils and microclimates allow farmers to cultivate both native landraces and improved commercial varieties. Andean potato farming remains particularly important in highland communities, where potatoes are a major food crop and part of traditional agricultural systems.

Peru is particularly notable for its extraordinary potato biodiversity. More than 3,000 native potato landraces have been documented in Peru, while more than 4,000 native varieties occur across the wider Andean highlands of Peru, Bolivia and Ecuador. Many are cultivated at elevations of approximately 3,500–4,200 metres and have been selected over generations for characteristics such as colour, flavour, texture, maturity and adaptation to harsh high-altitude conditions. Native potatoes remain closely associated with smallholder farming and are often conserved within communities rather than entering formal markets.

Potato production in Peru includes both native and improved varieties grown for household consumption, local markets and commercial supply. Improved varieties have expanded in different agroecological zones because of their yield potential, market characteristics and resistance or tolerance to constraints such as late blight and drought. Varieties such as Canchán, Amarilis and UNICA have been widely adopted, while native potatoes continue to provide important genetic diversity and cultural value. Peru's potato sector therefore combines traditional highland production and biodiversity conservation with modern breeding, seed systems and commercial production.

Potatoes have been cultivated in the Andes for thousands of years, making Peru one of the central regions in the crop's domestication history. Archaeological and genetic evidence places early potato cultivation in the central Andes, with estimates extending back roughly 8,000 years or more. Communities around the Lake Titicaca region and other Andean areas progressively selected and adapted potato plants to different environments, contributing to the extraordinary diversity found in Peru today. Traditional agricultural systems including terraces, ridged fields, irrigation practices and altitude-based cropping helped Andean communities maintain agriculture under difficult mountain conditions.

Following the Spanish conquest, potatoes were introduced beyond South America and eventually became an important crop in Europe and other parts of the world. Within Peru, however, the crop remained deeply connected to Andean food systems and farming traditions. In the modern period, scientific institutions have worked with farmers to conserve this genetic heritage and develop varieties suited to different Peruvian environments. The International Potato Center (CIP), established in Peru in 1971, has played a major role in collecting, conserving and making potato genetic resources available for research and breeding. Community-based conservation efforts, including the return of disease-free native planting material to Andean farmers, continue to support Peru's living potato diversity.