How to Grow Mint Julep Mint Peppermint

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Mint Julep Mint Peppermint

Mentha × piperita 'Mint Julep'

herb

Mint Julep is a vigorous cultivar of peppermint known for its exceptionally strong, clean mint flavor with subtle spice notes—ideal for the classic Kentucky cocktail. This perennial herb produces dark green, aromatic leaves on sturdy stems and spreads readily through rhizomes. It's a reliable, high-yielding variety prized by both bartenders and home gardeners.

When should you plant Mint Julep Mint Peppermint in your zone?

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

Plant Mint Julep Mint Peppermint
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
Harvest Mint Julep Mint Peppermint
Around May 17

≈ 30 days after planting

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

Growing Conditions

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Sun: Full sun to partial shade; 4-6+ hours of sunlight daily (more sun increases oil content and flavor intensity)

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Water: Keep soil consistently moist but not waterlogged; mint prefers evenly moist conditions. Water deeply 1-2 times weekly depending on climate. Tolerates occasional wet feet better than most herbs.

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Spacing: 12-18 inches

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Days to maturity: 30-45 days (from transplant or established runners to first harvest)

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Planting depth: Plant rhizomes or rooted cuttings 1-2 inches deep; transplants at soil line

Soil

Type: Moist, well-draining loamy soil; tolerates poor soil but prefers fertile conditions

pH: 6.0-7.0

Amendments:

Compost organic matter peat moss or coconut coir for moisture retention

Growing Zones

Find your zone →

Thrives in zones 3-9; extremely cold hardy with excellent vigor

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

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Growth Stages

Establishment

1-2 weeks

Young plants or rooted cuttings develop first roots and establish soil contact. Rhizomes begin sending up shoots.

Keep soil consistently moist. Protect from strong wind. Provide partial shade for first week if transplanting during hot weather. Do not fertilize heavily.

Vegetative Growth

3-6 weeks

Stems elongate rapidly, producing pairs of opposite, dark green, serrated leaves. Plant becomes bushy and spreads via underground runners.

Pinch stem tips every 6-8 inches to encourage branching and fuller plant. Water regularly. Apply balanced fertilizer (10-10-10) monthly or use compost top-dressing. Mulch around base to retain moisture.

Pre-Flowering

2-3 weeks

Stems continue lengthening; leaves reach full size (2-3 inches). Flower buds begin forming at stem tips.

Begin regular harvesting now to delay flowering and encourage continued leaf production. Remove flower spikes if leaf quality is priority. Continue consistent moisture and monthly feeding.

Flowering

2-4 weeks

Small purple, pink, or white flowers appear in dense terminal spikes. Leaves may become slightly smaller and less tender.

Deadhead spent flowers to redirect energy back to leaves, or allow flowers to bloom if attracting pollinators is desired. Harvest leaves before or just as flowers open for peak flavor. Reduce nitrogen fertilizer.

Dormancy (Winter)

3-4 months

Above-ground foliage dies back in autumn and winter. Underground rhizome network remains alive and dormant.

Cut stems back to 2-3 inches after first frost. Mulch heavily (3-4 inches) with straw or leaves to protect rhizomes. Do not water during dormancy. Mint will regenerate vigorously in spring.

Companion Planting

Plan your garden →

Plant with:

Parsley Chives Thyme Oregano Basil Cabbage Brassicas Tomatoes

Avoid planting near:

Fennel Dill Cabbage (in some cases due to mint's vigorous spreading) other mints (will cross-hybridize and compete)

Common Pests

Remove infected leaves immediately; ensure good air circulation by pruning lower foliage; water at soil level only to keep leaves dry; apply sulfur dust or fungicide if severe. Replant with resistant varieties if infection is chronic.
Mist foliage with water to increase humidity and dislodge mites; spray with neem oil or insecticidal soap every 7-10 days; prune heavily affected growth.
Hand-pick if numbers are low; use row covers on young plants; apply neem oil or spinosad spray; encourage beneficial predators.
Strong spray of water; insecticidal soap; neem oil; introduce ladybugs or lacewings.
Yellow sticky traps; insecticidal soap; neem oil spray on leaf undersides every 7 days; remove heavily infested leaves.

Uses

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Classic Mint Juleps & Cocktails

Culinary

Mint Julep is the signature variety for the iconic Kentucky bourbon cocktail. Its clean, strong menthol profile and pleasant spice notes define the traditional julep. Also excellent for mojitos, lemonades, iced teas, and infused waters. [source]

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Fresh Cooking & Garnishing

Culinary

Use fresh leaves to garnish desserts, salads, grain bowls, and Middle Eastern dishes. Adds bright flavor to sauces, chutneys, and fruit salads. Superior to common spearmint for its robust, peppery character. [source]

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Digestive & Respiratory Support

Medicinal

Peppermint is traditionally used to soothe digestive discomfort, ease bloating, and calm indigestion. The high menthol content may relieve congestion and support respiratory comfort. Commonly brewed as tea. [source]

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Teas & Infusions

Household

Steep fresh or dried leaves for a soothing mint tea with energizing, cooling properties. Create herbal blends with chamomile, lemon balm, or lavender. Naturally caffeine-free. [source]

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Dried Herb Crafts & Aromatics

Craft

Dry leaves for potpourri, herbal sachets, craft projects, and aromatic preparations. The dried herb retains strong flavor and scent for extended periods. Can be used in homemade extracts and infusions. [source]

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

Harvest Tips

Harvest leaves early morning after dew dries for peak essential oil content and flavor. Pinch leaves from the top 3-4 inches of stems to encourage bushiness. For juleps, use fresh leaves at peak quality (tender and fragrant). Can harvest continuously throughout the growing season; never remove more than 1/3 of plant at once. Best flavor before flowering; once flowers appear, leaves become slightly less tender. Dry excess leaves by hanging in bundles or using a dehydrator at low temperature (95-115°F).

Fun Facts

🌱 Mint Julep Mint is a sterile triploid hybrid (Mentha × piperita), meaning it doesn't produce viable seed and must be propagated by cuttings or rhizome division—this actually makes it superior for cultivation because energy goes entirely into leaf production rather than seed.
🌱 The term 'mint julep' dates to at least the 18th century and comes from the Persian word 'gulab' (rose water). Kentucky claimed it as the official state drink in 1964, though the drink has roots across the American South and Middle East.
🌱 Peppermint's characteristic cooling sensation comes from menthol, a naturally occurring compound that activates cold-sensing receptors (TRPM8) on the skin and in the mouth—this is why it feels cooling even though it doesn't lower actual temperature.

Gardening Terms

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

Compost Cultivar Deadhead Full Sun Mulch Partial Shade Perennial Runner Transplant

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