How to Grow Nana Mint

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Nana Mint

Mentha × piperita 'Nana'

herb

Nana mint is a compact, dwarf cultivar of peppermint known for its small leaves and low-growing habit, reaching only 6-12 inches tall. It produces the characteristic strong peppermint flavor and aroma in a space-saving form, making it ideal for containers and small gardens. This sterile hybrid is vigorous and spreads via underground runners.

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Example Nana Mint timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Nana Mint

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Nana Mint

    Around May 17

    ≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Nana Mint dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun to partial shade; 6+ hours of sunlight daily produces best flavor
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply when top inch of soil is dry. Nana mint is somewhat drought-tolerant once established but prefers regular watering.
📏
Spacing: 12-18 inches
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Days to maturity: 30-60 days before first harvest
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Planting depth: Plant transplants at same depth as nursery pot; runners spread horizontally at soil surface

Soil

Type: Well-draining loamy soil, tolerates most soil types
pH: 6.0-7.0
Amendments:
Compost aged manure peat moss for moisture retention

Growing Zones

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Thrives in zones 3-9; hardy perennial in most climates

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

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Growth Stages

1

Establishment

2-4 weeks

Young transplants develop root systems and establish runner growth. Foliage is small and sparse.

Water regularly to keep soil moist. Pinch back early growth to encourage bushiness. Protect from extreme heat during first 2-3 weeks.

2

Vegetative Growth

4-8 weeks

Plant produces multiple stems and dense foliage. Leaves are small, aromatic, and dark green. Runners begin extending horizontally.

Pinch off flower buds if harvesting for leaf flavor. Allow runners to develop if expansion is desired. Fertilize monthly with balanced fertilizer or compost tea.

3

Flowering (Optional)

4-6 weeks

Small purple or white flowers appear on short spikes above the foliage. Flowering occurs mid to late summer.

Remove flowers to redirect energy to leaf production if using for culinary purposes. Allow flowers to mature if encouraging pollinators.

4

Full Maturity

Ongoing; perennial

Plant reaches full compact height of 6-12 inches with dense leaf coverage. Ready for regular harvesting.

Harvest leaves regularly to promote branching. Cut stems back by one-third to one-half to rejuvenate growth. Divide runners in spring if overcrowding occurs.

5

Dormancy

2-4 months (varies by zone)

In winter or cold climates, foliage dies back. Plant survives as dormant rhizomes and runners underground.

Cut back dead foliage in late fall. Mulch with 2-3 inches of compost or straw for winter protection in zones 3-5. Remove mulch in spring as growth begins.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Dill Parsley (competitive)

Common Pests

  • Spray with water to dislodge; use neem oil or insecticidal soap if severe. Maintain humidity.

  • Remove affected leaves; improve air circulation; avoid overhead watering. Apply sulfur dust or fungicide if persistent.

  • Spray with strong water stream; use neem oil or insecticidal soap; encourage beneficial insects.

  • Hand-pick early morning; use row covers; apply neem oil or spinosad if population is high.

Uses

🍳

Fresh tea and beverages

Culinary

Nana mint leaves are excellent for steeping in hot or cold water for refreshing mint tea, perfect due to their strong peppermint flavor and compact growth habit. Use fresh leaves for smoothies, cocktails, and lemonades. [source]

🍳

Cooking and garnish

Culinary

Use fresh Nana mint leaves as garnish for desserts, salads, and Middle Eastern dishes like tabbouleh and fattoush. The peppermint flavor complements chocolate, fruit, and beverages. [source]

💊

Digestive and respiratory support

Medicinal

Peppermint tea made from Nana mint leaves aids digestion, relieves bloating, and can soothe respiratory discomfort. The menthol content provides cooling and soothing properties. [source]

🏠

Natural cleaner and freshener

Household

Steep Nana mint leaves to create a natural air freshener, or add to homemade cleaning solutions. The strong aroma naturally deodorizes spaces. [source]

🦋

Pollinator attraction

Wildlife

When allowed to flower, Nana mint attracts bees and other pollinators, supporting garden biodiversity while providing herbal benefits. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Begin harvesting when plant has at least 6-8 leaves on stems, typically 4-6 weeks after planting. Pinch off leaves from the top or cut stems just above a leaf node. For best flavor, harvest in morning after dew dries. Regular harvesting promotes bushier growth. Can harvest from spring through fall; reduce harvesting 4-6 weeks before first frost to allow plant hardening.

Fun Facts

  • 🌱 Nana mint is a sterile hybrid cultivar, meaning it does not produce viable seed and spreads only through runners and division, making it easier to control than wild peppermint.
  • 🌱 The name 'Nana' means 'dwarf' in Japanese, reflecting this cultivar's compact growth habit compared to standard peppermint varieties that can reach 2-3 feet tall.
  • 🌱 Peppermint mint was first documented in ancient Egypt and valued by the Romans; Nana's compact form makes it practical for modern container gardening.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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