How to Grow Lemon Mint

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Lemon Mint

Mentha aquatica 'Citrata'

herb

Lemon mint is a aromatic perennial herb with a distinctive lemon fragrance and flavor, derived from the aquatic mint species. It produces small purple or lavender flowers and grows vigorously in moist conditions. The foliage is soft, bright green, and highly fragrant when brushed or crushed.

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

  1. Plant Lemon 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 Lemon Mint

    Around Apr 21

    ≈ 4 days after planting

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

Growing Conditions

☀️
Sun: Partial shade to full sun; 4-6 hours of sunlight daily optimal; afternoon shade beneficial in hot climates
💧
Water: Consistently moist but not waterlogged; water regularly as soil dries. Thrives near water features, streams, or in bog gardens. More drought-tolerant than Mentha aquatica but prefers moisture.
📏
Spacing: 12-18 inches
📅
Days to maturity: Not applicable (perennial); harvestable leaves within 4-6 weeks of planting
🌱
Planting depth: Plant transplants at soil line; seeds 1/4 inch deep

Soil

Type: Consistently moist, fertile loamy soil with good organic content
pH: 6.0-7.0
Amendments:
Compost Well-rotted manure Peat moss or coconut coir for moisture retention Perlite if drainage is poor in heavy clay

Growing Zones

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Thrives in zones 3-9; prefers cooler regions but adapts to many 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 plant developing initial root system and foliage; single or few stems with small leaves emerging

Keep soil consistently moist but not soggy; protect from strong winds; apply light mulch around base

2

Vegetative Growth

4-8 weeks

Vigorous expansion of stems and foliage; plant becomes bushy with multiple shoots; bright green fragrant leaves

Pinch back growing tips to encourage branching; maintain consistent moisture; begin light harvesting once established

3

Flowering

6-12 weeks (summer through early fall)

Small purple, lavender, or occasionally pink flower spikes form at stem tips; plant continues leafy growth

Deadhead flowers to extend leaf production, or allow to flower for ornamental interest and pollinator attraction

4

Maturity & Harvest

Throughout growing season

Fully developed plant with abundant flavorful leaves; flowering continues; plant may reach 18-24 inches tall

Harvest regularly to prevent flowering and maintain tender foliage; cut stems promote bushier growth

5

Dormancy

3-5 months (depending on zone)

Foliage dies back in late fall/winter in cold climates; roots survive underground in hardy zones

In zones 3-6, cut back to ground level; mulch heavily to protect crowns; in warmer zones, may retain some foliage

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Fennel Rue Anise Most other mint varieties (to prevent cross-pollination and invasiveness)

Common Pests

  • Increase humidity by misting; spray with water to dislodge; apply insecticidal soap if severe

  • Remove affected leaves immediately; improve air circulation; avoid overhead watering; apply sulfur dust in severe cases

  • Hand-pick in early morning; use row covers; apply neem oil or pyrethrin-based insecticides

  • Use yellow sticky traps; spray with insecticidal soap or neem oil; encourage predatory insects

  • Improve air circulation; avoid overhead watering; apply sulfur or potassium bicarbonate spray

Uses

🍳

Fresh beverages and teas

Culinary

Lemon mint leaves brew into a refreshing iced or hot tea with bright citrus notes. Use fresh or dried leaves for lemony flavor in drinks, cocktails, and smoothies. [source]

🍳

Desserts and baking

Culinary

Add fresh lemon mint to fruit salads, desserts, pastries, and ice cream for a sophisticated citrus-mint flavor. Pairs well with berries, stone fruits, and chocolate. [source]

💊

Digestive and relaxation support

Medicinal

Lemon mint tea aids digestion, supports relaxation, and may help with anxiety and mild stress. Contains menthol and limonene compounds with soothing properties. [source]

🏠

Natural aromatics and fragrance

Household

Dried lemon mint provides natural home fragrance for potpourri, sachets, and drawers. The dried leaves retain strong lemon-mint aroma for months. [source]

🎨

Herbal crafts and decoration

Craft

Fresh sprigs add visual appeal and aroma to floral arrangements, wreaths, and table settings. Dries well for crafts and long-term decoration. [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 once plant is established (4-6 weeks). Pinch off top 1-2 inches of stems regularly for continuous tender growth. Harvest in the morning after dew dries but before heat of day for maximum essential oil content. Cut stems just above leaf nodes to encourage branching. Can be harvested throughout the growing season; stop cutting 4-6 weeks before first frost in cold climates to allow hardening off.

Fun Facts

  • 🌱 Mentha aquatica 'Citrata' is a cultivar of water mint, which traditionally grows in marshy wetlands and stream banks across Europe and western Asia, making it uniquely suited to moist garden conditions.
  • 🌱 The essential oils in lemon mint include high concentrations of citral (which gives it lemon scent) and menthol, making it one of the most aromatic mint varieties—a single plant can fragrance an entire garden.
  • 🌱 Lemon mint is less invasive than common spearmint or peppermint varieties, though it still spreads via underground runners and should be contained in gardens to prevent it from overtaking neighboring plants.

Gardening Terms

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

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