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Stinking Roger (Tagetes minuta) an introduced weed near Toowoomba, Queensland, Australia. Photographed on 1 May 2009.

Black mint

In its own language: Huacatay

Tagetes minuta

A South American marigold herb used as a paste or dried seasoning in Andean cooking

Photo: Arthur Chapman, CC BY 2.0, via Wikimedia Commons

Native to the Andes, this tall marigold is known locally as huacatay. Its leaves are ground into a dark green paste that seasons potatoes and meats across Peru and Ecuador.

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  • Known as huacatay in Peru and wacatay in Bolivia.
  • Sold as a dark green paste in Latin grocery stores.
  • Essential for making Peruvian ocopa potato dishes.
  • Used as a bio-fumigant to control soil nematodes.
  • Can cause skin irritation or photodermatitis.

What is Black mint?

Black mint, or huacatay, is a species of marigold native to the southwestern Andes. It grows upright and can reach two meters in height. The plant features small flowers and oil glands throughout its upper parts. These glands produce a strong scent that some describe as pungent or herbal. In the kitchen, the fresh leaves are often mashed into a thick, dark green paste. This paste has a distinct aroma that defines many traditional dishes in the region.

Where does Black mint come from?

The plant originates from the western half of South America, specifically in countries like Peru and Bolivia. Spanish colonizers helped spread it to Europe, Asia, Africa, and North America. Today it grows wild in many temperate zones. In the Andes, indigenous peoples have used it since pre-Columbian times. Local names vary widely, including wacatay in Bolivia and chinchilla in other areas.

What does Black mint taste like?

The taste comes from essential oils in the leaf glands. The flavor is sharp, herbal, and slightly pungent. It lacks heat but offers a strong aromatic presence. When dried, the leaves retain their scent for seasoning. The fresh paste provides a more intense, grassy depth. Cooks use it to cut through rich fats in meat and potato dishes.

How Black mint is grown and processed

It thrives in the high altitudes of the Andes. Farmers harvest the leaves by hand. For the popular black mint paste, leaves are washed and ground with salt and water. The mixture is bottled for sale in local markets. Dried leaves are also collected and crushed for spice blends. The plant is hardy and spreads easily once established outside its native range.

Black mint, drawn

The spice green and black, drawn as a leaf with a pile of the ground spice. Drawn from this page, not a photograph of one lot.
Heat: No heat 0 on a 0 to 5 scale, informed by Scoville heat units. Pungency is not the same as flavour: many spices have none.
A leaf: bay, curry leaf, kaffir lime, pandan. Often added whole and taken out before serving.
leaves
Part used What of the plant goes into the jar: Tagetes minuta.

How Black mint is used

In Peru, the paste seasons ocopa, a dish of boiled potatoes with chili and cheese. It is also rubbed onto meats before roasting. In Ecuador, it flavors soups and stews. Dried leaves work as a tea or a dry rub. Beyond food, the plant yields a dye and serves as green manure. Farmers use it to control nematodes in soil due to its natural bio-fumigant properties.

Black mint in the world's kitchens

Peruvian cuisine relies on it heavily, especially in coastal and highland regions. Bolivian cooks use wacatay similarly. In Ecuador and northern Chile, it flavors local stews. The paste is a signature ingredient in Latin grocery stores abroad. Each country adapts the intensity of the paste to local tastes.

At a glance: where it turns up

Spiritual and ceremonial use

There are no recorded religious rituals involving this herb. It is not used in offerings or ceremonies. Its role remains strictly culinary and agricultural. Indigenous communities value it for food rather than spiritual practice.

Black mint at celebrations

No specific festivals or holidays feature this spice. It is an everyday ingredient for home cooks and restaurants. You will find it in daily meals rather than special occasion banquets.

Traditional and medicinal use

Traditional medicine sometimes uses the leaves for teas. However, the oils can cause skin irritation or photodermatitis. People are advised to handle the fresh plant with care. The toxicity is mild but noticeable upon contact with sunlight.

Buying and storing Black mint

The paste is sold in sealed bottles to preserve freshness. Keep it refrigerated after opening. Dried leaves should be stored in airtight containers away from light. The paste lasts longer than fresh leaves but loses potency over time.

What to use instead of Black mint

No direct substitute matches its unique herbal punch. Some cooks mix oregano with cilantro for a similar green note. Mint alone is too sweet. The closest approximation involves combining several strong herbs.

The trade in Black mint

It is traded primarily within South America. Export markets sell bottled paste to diaspora communities. The plant itself is cheap and abundant in its native range. Adulteration is rare because the fresh paste is difficult to fake.

Meal

It appears most often at lunch and dinner. The paste is a staple side for potato-based meals. Street vendors serve it with snacks like anticuchos. It is rarely used for breakfast or dessert. The strong flavor suits savory dishes that require bold seasoning. It pairs well with grilled meats and roasted vegetables.

Questions people ask about Black mint

What does black mint taste like?

It has a strong herbal and pungent flavor. The taste comes from essential oils in the leaves. It is not spicy hot but offers a sharp, grassy aroma that enhances meats and potatoes.

Where is black mint native to?

It is native to the southwestern Andes in South America. Peru and Bolivia are its primary origins. It has since spread to other continents through colonization and trade.

How is it used in cooking?

Most commonly as a paste made from ground leaves and salt. It seasons boiled potatoes, grills meats, and flavors soups. Dried leaves can also be used as a tea or spice rub.

Is it safe to handle?

The oils in the leaves can irritate skin. Prolonged exposure to sunlight may cause photodermatitis. Wash hands thoroughly after handling fresh plants.

Good reading and sources

Where this page comes from

The facts on this page come from the Wikipedia article "Tagetes minuta", written by its contributors and used under the CC BY-SA 4.0 licence, and from its Wikidata record (CC0). EveryMasala rewrote the text in its own words, with AI assistance, and compares every page with the article to make sure no passage is copied. It may be reused under the same CC BY-SA 4.0 licence with a link back.

It may contain mistakes. Names, strengths and customs differ from one grower, kitchen or shop to the next. Traditional and medicinal uses are described as tradition, never as medical advice, and none of this is a substitute for a doctor. If something is wrong, tell us. Last refreshed 2026-10-04.

Photo credits on this page

The small pictures above come from Wikimedia Commons under free licences. Some are cropped to fit.

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