Hibiscus flower: the red flower of Mexican agua fresca

What is it?

The hibiscus flower (flor de jamaica) is the dried calyx of Hibiscus sabdariffa, a tropical plant native to West Africa that arrived in Mexico during the colonial period through the Atlantic slave route and the Manila Galleon. Despite its foreign origin, it became so deeply integrated into Mexican cuisine and culture that today it is the base of agua fresca de jamaica, one of the most consumed drinks in the country, present in taquerias, fondas, festivities and tianguis. Its bright red calyces, rich in anthocyanins, provide a sour, fruity and slightly tannic flavour, similar to cranberry or raspberry. Mexico is one of the world's leading producers, with crops concentrated in Guerrero (San Marcos, Tecoanapa), Oaxaca, Michoacán and Nayarit. In addition to agua fresca, it is used in jams, jellies, preserves, vegetarian tacos filled with cooked flower, artisanal sparkling water, cocktails and as a natural dye in pâtisserie.

Origin and history

The hibiscus flower was domesticated in Sudan and West Africa more than 6,000 years ago, according to FAO ethnobotanical sources. Its Spanish name comes from Caribbean trade with the island of Jamaica during the 16th century, where it arrived brought by enslaved Africans as part of the triangular trade exchange. It arrived in New Spain around 1565 via the Atlantic route from Veracruz, and also via the Pacific through the Manila Galleon from the Philippines, where it was already cultivated through Arab influence. The Digital Library of Traditional Mexican Medicine of UNAM documents its New Spain use as a diuretic, hypotensive and refreshing drink. Larousse Cocina and México Desconocido agree that in the 19th century agua fresca de jamaica became popular as the drink of the people, alongside horchata and tamarind, forming the classic trio of Mexican aguas frescas. Gob.mx, through SADER, reports a national production of close to 6,000 tonnes annually, with Guerrero concentrating more than 90% of cultivation under the rain-fed system.

Characteristic ingredients

Hibiscus sabdariffa is an annual mallow plant that grows up to 2 m, with white or pink flowers that after fertilisation develop a fleshy, intensely red calyx, which is the edible part. After harvest (October-December), the calyces are manually separated from the fruit, sun-dried for several days and stored in sacks. Their colour and flavour come from anthocyanins (delphinidin-3-sambubioside), organic acids (citric, malic, hibiscic) and flavonoids. In Mexico the traditional agua fresca is prepared: 60-80 g of dried jamaica per litre of water, boiled for 10 minutes and sweetened with piloncillo or sugar; some recipes add ginger, cinnamon, vanilla or lime. After boiling, the calyces can be reused to fill tacos, tostadas or quesadillas, a vegetarian preparation that has gained popularity in healthy restaurants. Studies from INNSZ and Cinvestav document antihypertensive, diuretic and antioxidant properties. The Mexican industry exports premium dried jamaica to the United States, Germany, Japan and Holland.

Cultural significance

The hibiscus flower is an essential element of Traditional Mexican Cuisine inscribed by UNESCO as Intangible Cultural Heritage in 2010, a central part of the agua fresca recipe book that distinguishes Mexico from the rest of Latin America. Economically it supports thousands of producers in Guerrero, Oaxaca and Nayarit, with SADER promoting indigenous and peasant cooperatives, especially among Nahua and mestizo communities of the Costa Chica of Guerrero. The Jamaica Fair in San Marcos (Guerrero) celebrates the start of the harvest season every November. Researchers at INIFAP have developed varieties resistant to drought and pests, improving profitability. Contemporary Mexican cuisine, led by chefs such as Eduardo García of Máximo Bistrot and Margarita Carrillo, has taken jamaica to haute cuisine desserts, gourmet jams, aromatic salts and cocktails, positioning it as one of the Mexican ingredients with the greatest international projection, comparable to chilli, cacao and maize.

Frequently asked questions

What does hibiscus flower taste like?

Hibiscus flower has a sour, fruity and slightly tannic flavour, similar to cranberry, raspberry or rhubarb. Its acidity comes from natural citric, malic and hibiscic acids. When boiled it provides intense red colour and a floral aftertaste. Combined with piloncillo, cinnamon or ginger, its profile rounds out and is refreshing for typically warm Mexican climates.

What are the benefits of jamaica?

Studies from INNSZ and UNAM attribute to agua de jamaica hypotensive properties (moderately reduces blood pressure), diuretic, antioxidant (high content of anthocyanins and vitamin C) and digestive effects. It is also traditionally used to help control cholesterol and as an aid in diets for type 2 diabetes due to its low glycaemic index when consumed without sweeteners.

How is agua de jamaica made?

60-80 g of dried jamaica per litre of water are boiled for 10 minutes, strained and sweetened with piloncillo or sugar to taste. Served cold with ice. Popular variants add fresh ginger, cinnamon stick, vanilla, lime or orange. A home technique consists of cold-steeping it for 12 hours, obtaining a more delicate and less bitter flavour.

Where does the hibiscus flower come from?

It is native to West Africa, particularly Sudan, where it has been cultivated for more than 6,000 years. It arrived in Mexico during the 16th century via the Atlantic route with enslaved Africans and via the Pacific through the Manila Galleon. Today Mexico is one of the world's leading producers, with Guerrero, Oaxaca, Michoacán and Nayarit as the main producing states.