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How to Grow Coleus 'Chocolate Mint'

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Coleus 'Chocolate Mint'

Plectranthus scutellarioides 'Chocolate Mint'

herb

Coleus 'Chocolate Mint' is a tender perennial houseplant prized for its striking foliage featuring deep chocolate-brown leaves with vibrant mint-green edges and veining. While it occasionally produces small purple or lavender flowers, it is cultivated primarily for its ornamental, aromatic foliage that releases a pleasant minty scent when brushed. This compact, bushy plant thrives indoors or outdoors in warm climates and is exceptionally easy to propagate and grow.

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Example Coleus 'Chocolate Mint' timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Coleus 'Chocolate 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 Coleus 'Chocolate Mint'

    Around May 17

    ≈ 30 days after planting

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

Growing Conditions

☀️
Sun: Bright, indirect light; 3-4 hours of dappled sunlight daily. Tolerates partial shade but colors are most vibrant in brighter conditions. Avoid harsh, full afternoon sun which can fade foliage.
💧
Water: Keep soil consistently moist but not waterlogged. Water when the top inch of soil feels dry. Prefers high humidity; mist leaves regularly or place on a pebble tray with water. Reduce watering slightly in winter.
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Spacing: 12 inches
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Days to maturity: 30-45 days (to full ornamental size)
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Planting depth: Surface sow or press seeds lightly into soil; do not bury. For cuttings, insert 1-2 inches into soil.

Soil

Type: Well-draining potting soil or light, loamy soil
pH: 6.0-7.0
Amendments:
Peat moss or coco coir Perlite Compost

Growing Zones

Find your zone →

Zones 10b-11; grown as a tender annual or houseplant in cooler zones (bring indoors before frost)

10b 11a 11b

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Growth Stages

1

Seedling/Propagation

1-2 weeks

Tiny seedlings with 2-4 true leaves, or freshly rooted cuttings beginning to develop roots and new leaf growth.

Keep soil warm (70-75°F), consistently moist, and under bright, indirect light. Provide high humidity by covering with a clear dome or plastic bag. Expect roots in 7-10 days for cuttings.

2

Vegetative Growth

3-6 weeks

Plant develops multiple stems and leaves, establishing a bushy form. Chocolate and mint coloration becomes increasingly prominent.

Pinch off the growing tips every 2-3 weeks to encourage branching and a fuller shape. Maintain bright, indirect light and consistent moisture. Begin light feeding with balanced fertilizer.

3

Mature Foliage

Ongoing (several months to years)

Plant reaches full size with dense foliage displaying rich chocolate-brown centers and vibrant mint-green edges and veining.

Continue pinching to maintain shape and bushiness. Feed every 2-3 weeks with diluted balanced liquid fertilizer or a slow-release houseplant fertilizer. Maintain humidity and bright indirect light.

4

Flowering (Optional)

2-4 weeks

Small spikes of tubular purple or lavender flowers may appear, typically in summer or when days shorten.

Pinch off flower spikes if you prefer to direct energy into foliage production. Allow to flower if desired for aesthetic interest, but flowering reduces leaf vibrancy slightly.

5

Decline/Rejuvenation

Variable

Older plants may become leggy or lose lower leaves. Foliage may fade if light or care conditions decline.

Rejuvenate by taking cuttings to propagate fresh plants, or cut back stems by half to encourage new bushy growth. Replace soil and refresh pot if plant has been growing for 1-2 years.

Companion Planting

Plan your garden →

Plant with:

Pothos Philodendron African Violet Fittonia Begonia Calathea Prayer Plant

Avoid planting near:

Plants requiring dry soil Succulents Cacti Rosemary Lavender

Common Pests

  • Spray with insecticidal soap or neem oil every 7-10 days. Isolate infested plant. Wipe leaves with 70% isopropyl alcohol on a cotton swab.

  • Increase humidity and mist regularly. Spray with water to dislodge. Use neem oil or miticide if severe. Improve air circulation.

  • Use yellow sticky traps. Spray with insecticidal soap or neem oil every 5-7 days. Vacuum adults gently with handheld vacuum.

  • Rinse under running water to remove. Spray with insecticidal soap. Apply neem oil if infestation persists.

  • Allow soil to dry between waterings. Repot in fresh, well-draining soil. Remove affected roots. Improve drainage and air circulation.

Uses

🍳

Flavoring & Infusions

Culinary

Fresh leaves can be used to flavor beverages, desserts, and dishes with a subtle minty, slightly chocolate-like aroma. Steep leaves in hot water to create a fragrant herbal tea. [source]

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Aromatherapy & Room Fragrance

Household

Brushing or gently rubbing the leaves releases a pleasant minty chocolate scent that naturally freshens indoor spaces without synthetic fragrance. [source]

💊

Traditional Herbal Remedy

Medicinal

In traditional medicine systems, Coleus species have been used to support respiratory function and digestion. Leaf infusions are traditionally consumed as a digestive tonic. [source]

🎨

Ornamental Decor & Arrangements

Craft

The striking chocolate and mint foliage makes it an excellent choice for decorative houseplant displays, dish gardens, terrariums, and mixed foliage arrangements. [source]

🦋

Pollinator Support

Wildlife

When allowed to flower, the purple flower spikes attract bees and other pollinators, supporting local insect populations indoors or on patios. [source]

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

Harvest Tips

Pinch off leaf tips and stems throughout the growing season for use. Harvest in the morning after dew dries for best aroma and flavor. Remove no more than 1/3 of the plant at once to maintain shape and vigor. Regular harvesting encourages bushier growth.

Fun Facts

  • 🌱 Coleus 'Chocolate Mint' is one of over 150 cultivated varieties of Plectranthus scutellarioides, all prized for their incredibly diverse and vibrant leaf colors and patterns—from solid hues to multicolored mosaics.
  • 🌱 Coleus propagates so easily from cuttings that a single leaf can be placed in water and will root within 7-10 days, making it an ideal plant for gift-giving and sharing with friends.
  • 🌱 The genus name Plectranthus comes from Greek words meaning 'spur' and 'flower,' referring to the distinctive spurred flowers that appear on coleus plants.

Gardening Terms

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

Partial Shade Perennial True Leaves
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