Mint

Mentha spp. · Herb

A vigorous herb that spreads by underground runners and will take over a bed if allowed. Grown in a pot it is easy, fragrant and gives fresh leaves from spring to autumn.

💧WaterKeep lightly moist, every 1–2 days in summer (estimated)

☀️LightSun to part shade

🐾PetsToxic to pets

Care at a glance

Light: Full sun to part shade
Water: Keep soil lightly moist
Soil: Rich, moisture-holding, pH 6.0–7.0
Temperature: Best 60–75 °F; dies back in hard frost
Spacing: 18–24 in apart; contain the roots
Container: At least 1 gallon, 8 in wide
Harvest: Leaves from about 60 days after planting (estimated)
Lifespan: Perennial

When?

Plant in spring after the last frost, or start from a rooted cutting any time in the growing season.

Step by step

Plant in a pot, or sink a bottomless pot into the bed to stop spreading.
Use rich potting mix and water well after planting.
Keep the soil evenly moist, especially in hot weather.
Pinch tips regularly to keep the plant bushy.
Cut stems back before flowering for the best flavor.
Trim to the ground in late autumn; it regrows in spring.
Divide crowded pots every 2–3 years.

Common problems

Orange spots under leavesRust; cut back affected stems and keep leaves dry.

Leggy, sparse growthToo much shade or not harvested; pinch back and give more light.

White powder on leavesPowdery mildew; improve airflow and remove affected leaves.

Pets

Listed as toxic to cats and dogs; eating large amounts may cause vomiting or diarrhea. If in doubt, ask your vet.

Similar plants

Lemon balm Basil Parsley

Sources

ASPCA — Toxic and Non-Toxic Plants

This page is general guidance; no pesticide doses are given.