How to Grow Bowles Black Mint

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Bowles Black Mint

Mentha × piperita 'Bowles Black'

herb

Bowles Black is a dark-leafed variety of peppermint with deep purple-black foliage and a strong, aromatic flavor. This vigorous perennial herb is prized for its ornamental dark leaves and intense minty flavor, making it exceptional for culinary and medicinal uses. It grows vigorously and spreads readily, making it an excellent choice for containers or defined garden spaces.

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

  1. Plant Bowles Black 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 Bowles Black Mint

    Around May 17

    ≈ 30 days after planting

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

Growing Conditions

☀️
Sun: Full sun to partial shade, 4-6 hours of sunlight daily
💧
Water: Keep soil consistently moist but not waterlogged. Water deeply 1-2 times weekly, more frequently in hot weather. Mints prefer moisture but are sensitive to standing water.
📏
Spacing: 12 inches
📅
Days to maturity: 30-45 days to first harvest, perennial harvest cycles throughout growing season
🌱
Planting depth: Surface plant or shallow press (for seeds); transplants at soil level

Soil

Type: Well-draining loamy soil with moderate moisture retention
pH: 6.0-7.0
Amendments:
Compost Peat moss Aged manure

Growing Zones

Find your zone →

Thrives in zones 3-9; best performance in zones 5-8

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 plants develop root systems and new shoots with dark purple-tinged leaves emerging from ground level.

Keep soil consistently moist. Protect from extreme heat during first 2-3 weeks. Consider container planting to manage spreading.

2

Vegetative Growth

4-8 weeks

Rapid expansion of dark foliage with square stems characteristic of Mentha species. Plant becomes bushy with deep purple-black leaves.

Pinch back growing tips to encourage bushier growth. Remove any flower buds if leaf production is priority. Water regularly.

3

Pre-Flowering

2-3 weeks

Plant continues leafy growth while flower buds form at stem tips. Foliage reaches peak flavor intensity.

Harvest leaves regularly to encourage continued growth and delay flowering. Deadhead buds if you prefer tender leaves.

4

Flowering

3-4 weeks

Purple-mauve flowers appear in terminal spikes. Leaf flavor becomes slightly more concentrated but texture may coarsen.

Harvest aggressively just before flowering for best leaf quality. Flowers are also edible and attract pollinators.

5

Decline & Regrowth

Ongoing, seasonal

After flowering, growth naturally slows. Cut back plants severely in late summer to encourage fall regrowth.

Cut stems to 2-3 inches above ground after flowering. Apply compost. Allow regrowth cycle before winter.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Parsnips Fennel Dill Other mint varieties (unless contained) Plants preferring dry conditions

Common Pests

  • Remove infected foliage, ensure good air circulation, avoid overhead watering. Discard severely infected plants.

  • Spray with water to dislodge, increase humidity, apply insecticidal soap if severe

  • Spray with strong water stream, apply neem oil or insecticidal soap, encourage beneficial insects

  • Use yellow sticky traps, spray with insecticidal soap or neem oil, maintain good air circulation

Uses

🍳

Tea & Beverages

Culinary

Bowles Black produces intensely flavored leaves perfect for fresh mint tea, cocktails, and cold drinks. Its strong menthol content creates a refreshing, cooling beverage. [source]

🍳

Cooking & Garnish

Culinary

Use fresh leaves in salads, desserts, chocolate preparations, and as elegant garnishes. The dark foliage is visually striking and adds sophisticated flavor to sweet and savory dishes. [source]

💊

Digestive Support

Medicinal

Traditional use for digestive comfort, bloating relief, and soothing upset stomachs. Peppermint tea aids digestion and may help with IBS symptoms. [source]

🏠

Natural Cleaning & Fragrance

Household

Dried leaves and essential oils can be used in homemade cleaning products, sachets, and aromatherapy. Provides natural insect repellent properties. [source]

🌿

Garden Accent

Ornamental

The distinctive dark purple-black foliage makes Bowles Black an attractive ornamental plant for borders, containers, and herb gardens. Purple flowers add additional visual interest. [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 leaves when plant reaches 6-8 inches tall, typically 4-6 weeks after planting. Harvest in morning after dew dries for best flavor and oil content. Pinch or cut from the top of stems to encourage bushiness. For maximum potency, harvest just before flowering. Remove entire stems rather than individual leaves. Cut no more than one-third of the plant at a time to maintain vigor.

Fun Facts

  • 🌱 Bowles Black is a hybrid peppermint (Mentha × piperita) that likely originated from a cross between spearmint and water mint, and was named after E.A. Bowles, a renowned English gardener and botanist.
  • 🌱 The distinctive dark coloration of the foliage comes from higher concentrations of anthocyanin pigments, which also contribute antioxidant properties to the leaves.
  • 🌱 A single mint plant can be harvested multiple times per season, with each cut-back triggering 2-3 weeks of new growth, allowing for continuous fresh supply from spring through fall.

Gardening Terms

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

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