Peppermint

Peppermint (Mentha × piperita), called filfili podina in Urdu to distinguish it from the more common spearmint podina, is a sterile hybrid of watermint and spearmint that has spread out of Europe into kitchen gardens worldwide. POWO records the hybrid’s native range as Europe to Central Asia, now naturalised across most temperate regions.¹ For a Pakistani food-forest grower it is the cool-tea herb that asks for one decision up front and then mostly runs itself for years.

Where it thrives

Peppermint tolerates a wide range of light levels and soils but prefers rich, moist soil in partial shade, with a near-neutral pH of 6.0 to 7.0; it does surprisingly well in shadier sites that get a minimum of three hours of sun a day.² Across Pakistan it runs strongly on the Punjab plains in winter and spring, holds year-round in the cooler Pothohar plateau, and is the obvious mint for the KPK hills, where it spreads almost too easily along irrigation channels. On the Sindh coast it survives only with shade and consistent water through the peak hot months.

Role in the system

Peppermint sits in the groundcover stratum as a secondary, rhizomatous mat. It spreads aggressively underground, so a food-forest grower has to choose: let it ramble across a designated wet edge, or cage it.² Used as a living mulch under fruit trees that get steady irrigation it shades soil, smothers grass and pulls pollinators in with summer flower spikes. Its strong volatile profile is also repellent to some insect pests on neighbouring beds.

Growing it

Decisions worth getting right. Peppermint is sterile and does not come reliably true from seed; propagate from rooted stem cuttings or rhizome divisions taken from a known mother plant.³ Plant divisions 12 to 18 inches apart in the bed, or one per 12 to 16-inch container if you need to contain it. University of Maryland Extension recommends sinking pots into the ground as a practical compromise that gives the look of in-ground planting without the spread.³ Keep soil consistently moist; drought reduces leaf quality and pushes the plant toward flowering. Cut stems to about four inches a couple of times a season to refresh tired clumps and harvest leaves just before flowering, when menthol content peaks.²

What you get

Fresh and dried leaves are the harvest, used in tea, raita, chutney, syrups, jellies and sauces.² Distilled peppermint essential oil is dominated by menthol and menthone, with menthyl acetate and 1,8-cineole as secondary fractions, and the peer-reviewed literature documents antimicrobial, antioxidant, anti-inflammatory and wound-healing activity along with carminative and antispasmodic effects in the digestive tract.⁴ Light topical use (diluted) is part of traditional and modern over-the-counter cold and digestive remedies.

Sourcing notes

Skip the seed packet and beg one division from a neighbour or buy a single plug from a Lahore or Islamabad nursery; one plant will fill a bed within a season. Good neighbours are tomato, brassicas and lettuce, all of which benefit from the insect pressure peppermint scrambles, but plant it where the spread can be either welcomed or fenced. Keep peppermint away from chamomile and other delicate culinary herbs that it will overrun.

Sources

1. Royal Botanic Gardens, Kew (2024). “Mentha × piperita L.” Plants of the World Online.
2. NC State Extension (2024). “Mentha x piperita (Peppermint).” North Carolina Extension Gardener Plant Toolbox.
3. University of Maryland Extension (2023). “Growing Mint in a Home Garden.” University of Maryland Extension.
4. Hudz, N. et al. (2023). “Mentha piperita: Essential Oil and Extracts, Their Biological Activities, and Perspectives on the Development of New Medicinal and Cosmetic Products.” Molecules.