Muña vs Hierba Buena: Which Peruvian Mint Tea Fits You?

Ask for "mint tea" at a market in Cusco and you might get a plant that isn't mint at all.

Peru has two green, fragrant teas that both get called "menta" in casual conversation: Muña and Hierba Buena. They smell similar. They're brewed the same way. But they come from different plants, grow at different altitudes, and Peruvians reach for them at different moments. If you've picked up a box of one and wondered whether it does the same job as the other, here's the honest breakdown.

What Is Muña (Andean Mint)?

Minthostachys mollis grows wild above 3,000 meters in the Andes, mostly in Cusco and Ayacucho. Locals call it muña, and it has a sharper, almost peppery edge compared to common mint. It's not related to spearmint or peppermint botanically, even though the flavor lands in the same family of "green and cooling."

Andean farmers have carried muña leaves on long walks at altitude for generations, chewing a few or brewing them into tea when the thin air made stomachs uneasy. It's also the tea served after a heavy plate of cuy or lomo saltado in highland restaurants, the same way an Italian meal might end with a digestivo.

What Is Hierba Buena (Spearmint)?

Mentha spicata, spearmint, is not native to Peru. It arrived with Spanish colonization centuries ago and settled into home gardens across the coast and highlands alike. "Hierba buena" literally means "good herb," a name that stuck because it was one of the easiest, most useful plants a household could grow.

Where muña is tied to altitude and specific meals, hierba buena is the everyday kitchen mint. Peruvian cooks toss it into ceviche marinades, mix it into salsa criolla, and steep it whenever someone's stomach feels off after lunch.

The Real Differences

• Origin: Muña is wild-harvested Andean native. Hierba buena is a naturalized garden herb with European roots.
• Flavor: Muña is sharper and slightly peppery. Hierba buena is sweeter and closer to what most people picture when they think "mint."
• Traditional pairing: Muña follows heavy, fatty highland meals. Hierba buena is the all-purpose after-lunch cup.
• Strength: Muña has a more concentrated aroma; a little goes further than the same amount of hierba buena.

Both belong to the mint family (Lamiaceae) and both are traditionally used for the same general purpose: settling digestion after eating. Early research on menthol-family plants points to relaxing effects on the muscles lining the digestive tract, which lines up with why both teas get poured after meals across two very different regions of Peru.

A Bit of History Behind Each

Muña has a longer paper trail. Archaeologists have found muña residue in sites tied to pre-Inca highland communities, and Quechua-speaking farmers still use it the same way their grandparents did: a handful of leaves crushed between the palms and inhaled, or steeped fast in hot water, whenever the altitude made someone lightheaded. It's also been used to protect stored grain, the strong aroma reportedly keeps certain insects away.

Hierba buena's story runs through the kitchen instead of the medicine cabinet. Once it arrived with colonial-era trade, it spread fast because it grows almost anywhere, tolerates coastal humidity and highland cold alike, and reseeds itself readily in a backyard garden. That easy-growing nature is part of why it became such a fixture in everyday Peruvian cooking rather than staying a specialty herb.

Which One Fits You?

If you want the tea Andean grandmothers actually drink after a plate of alpaca stew, go with muña. If you want a milder, more familiar mint flavor you can drink any time of day, hierba buena is the easier daily habit. Some households keep both and switch depending on the meal, muña for something rich and heavy, hierba buena for something lighter.

Neither one is "better." They solved the same problem in two different parts of the country, with two different plants that happened to converge on the same job.

How to Brew Either One

Steep one tea bag or a heaping teaspoon of loose leaf in freshly boiled water for 5 to 7 minutes. Cover the cup while it steeps so the aromatic oils don't escape with the steam. Both teas taste good hot after a meal or chilled over ice on a warm afternoon. Skip the sugar at first try. The natural sweetness in hierba buena, especially, often doesn't need it.

A Note of Caution

Mint-family teas can relax the muscle that keeps stomach acid down, so people with acid reflux or GERD sometimes find their symptoms get worse, not better, after drinking them. If that's you, pay attention to how your body reacts. As with any herbal tea, talk to a doctor before regular use if you're pregnant, nursing, or taking prescription medication.

This information is for educational purposes and has not been evaluated by the FDA. These products are not intended to diagnose, treat, cure, or prevent any disease.