How to Grow Coleus

Coleus

Plectranthus scutellarioides

flower

Coleus is a tender perennial prized for its vibrant, multicolored foliage in shades of red, pink, orange, yellow, green, and purple. Though it produces delicate blue or purple flower spikes, the plant is grown primarily for its decorative leaves. It thrives in warm conditions and is commonly grown as an annual in cooler climates or as a houseplant.

Looking for a specific variety?

Dark Drama Wasabi Fishnet Stockings Lemon Twist Black Currant Kiwi Fern

Growing Conditions

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Sun: Bright, indirect light or partial sun; 3-6 hours of light daily. Variegated varieties tolerate more shade; solid-colored varieties prefer brighter conditions

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Water: Keep soil consistently moist but not waterlogged. Water when top inch of soil is dry. Reduce watering in winter if grown indoors. Avoid letting soil dry out completely

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Spacing: 12-18 inches

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Days to maturity: 30-60 (for foliage display)

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Planting depth: Transplants at soil line; seeds should be surface-sown or lightly covered as they need light to germinate

Soil

Type: Well-draining, fertile potting soil or garden soil rich in organic matter

pH: 6.0-7.0

Amendments:

compost peat moss perlite vermiculite

Growing Zones

Find your zone →

Zones 10-11; grown as annual in zones 3-9 or as houseplant year-round

10a 10b 11a 11b

Growth Stages

Seedling

2-3 weeks

Small plants with 2-4 true leaves, delicate and tender

Keep soil moist, provide bright indirect light, maintain warm temperatures (70-75°F), avoid direct sun which can scorch seedlings

Vegetative/Foliage Development

3-8 weeks

Rapid leaf growth with expanding color patterns and color maturation; plants develop bushy shape

Pinch growing tips regularly to encourage branching and fuller plants; provide consistent moisture and warmth; fertilize every 2-3 weeks with balanced fertilizer

Mature Foliage

8+ weeks (ongoing in warm climates)

Full-sized plants with richly colored, patterned leaves at peak visual appeal

Continue pinching flower buds to redirect energy to foliage; maintain regular watering and feeding; inspect for pests weekly

Flowering (Optional)

2-4 weeks (sporadic)

Delicate spikes of small blue, purple, or white flowers emerge from leaf axils

Pinch off flower spikes if foliage appearance is priority; allow to flower if you want seeds or prefer flowering display

Winter/Dormancy (Indoors)

3-4 months

Growth slows significantly; colors may fade slightly; plant becomes less vigorous

Reduce watering slightly, maintain temperatures above 60°F, provide bright light, consider cutting back plant to encourage spring growth

Companion Planting

Plan your garden →

Plant with:

impatiens begonias ferns caladiums hostas sweet potato vine Persian shield alternanthera

Avoid planting near:

aggressive vines that may overshadow plants requiring dry soil conditions

Common Pests

Spray with insecticidal soap or neem oil; inspect new plants before bringing indoors; remove with alcohol-soaked cotton swab for light infestations
Use yellow sticky traps, spray neem oil or insecticidal soap, improve air circulation, rinse with water spray
Increase humidity, spray with water, use neem oil or miticide if severe; isolate affected plants
and
Remove by hand, use beer traps, apply diatomaceous earth, reduce overwatering and mulch depth
Improve air circulation, avoid wetting foliage, remove affected leaves, apply fungicide if necessary

Uses

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Ornamental Foliage Display

Household

Coleus is primarily grown for its stunning, colorful foliage that adds vibrant visual interest to garden beds, containers, borders, and indoor spaces. The diverse color patterns make it an excellent choice for creating eye-catching landscape designs. [source]

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Traditional Herbal Tea

Culinary

In Southeast Asian cuisines, particularly Vietnamese and Thai cooking, certain Coleus varieties (especially Coleus amboinicus, also called Cuban oregano) are used fresh in soups, stews, and teas for their aromatic, slightly minty flavor. [source]

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Traditional Herbal Remedy

Medicinal

Some Coleus species have been used in traditional Ayurvedic and traditional Chinese medicine for respiratory and digestive support, though scientific evidence is limited. The plant contains volatile compounds with potential bioactive properties. [source]

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Cut Foliage Arrangements

Craft

Colorful Coleus stems and leaves are popular in floral arrangements and in crafting wreaths, garlands, and mixed containers for their striking colors and unique leaf shapes that add texture and visual appeal. [source]

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Pollinator Support

Wildlife

When Coleus flowers are allowed to bloom, they attract bees and other pollinators, making the plant a minor but colorful contributor to pollinator habitat in gardens. [source]

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

Harvest Tips

Coleus is not harvested in the traditional sense. Pinch off stem tips regularly (starting when plants are 4-6 inches tall) to encourage bushier growth and prevent legginess. Remove flower spikes as they develop if you want to prioritize foliage. Propagate by taking 4-6 inch stem cuttings; they root easily in water or moist soil within 1-2 weeks. In frost-prone climates, take cuttings in late summer to propagate indoors before frost kills outdoor plants

Fun Facts

🌱 Coleus has been cultivated for over 2,000 years, originating in Southeast Asia and Africa, making it one of the oldest ornamental foliage plants.
🌱 Coleus is incredibly easy to propagate: stem cuttings will root in plain water within 1-2 weeks without any rooting hormone, making it perfect for plant propagation experiments.
🌱 There are thousands of Coleus cultivars with virtually endless color combinations—some have been bred to display patterns resembling animal prints, tie-dye, lace, and watercolor effects.

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