Cuban oregano
Plectranthus amboinicus
Amboinicus
About this plant
Coleus amboinicus, commonly known as Cuban oregano, is a succulent-like herb with thick, fuzzy, aromatic leaves. It is popular for its strong oregano-like scent and is often used in cooking and traditional medicine. The plant has a bushy form and can be grown indoors or outdoors in warm climates. It is easy to propagate and makes a great addition to herb gardens or as a decorative houseplant.
Taxonomy
- Genus
- Plectranthus
- Family
- Lamiaceae
- Higher classification
- Order: Lamiales
- Plant type
- Herb
- Lifespan
- Perennial
Origin & Distribution
- Native region
- India, Africa
- Distribution
- Native to India and parts of Africa; widely cultivated in tropical and subtropical regions worldwide.
Care
- Light preference
- Bright indirect
- Suitable locations
- Indoor, Outdoor, Balcony, Greenhouse
- Preferred window facing
- East-facing, South-facing, West-facing
- Watering frequency
- Moderate
- Watering interval
- 3–7 days
- Humidity
- Normal
- Minimum
- 10 °C
- Maximum
- 35 °C
- Optimal
- 18-26 °C
- USDA hardiness zones
- 9-11
- Soil pH
- 6.0-7.5 (slightly acidic to neutral)
- Soil type
- well-draining potting mix
Watering. Water when the top inch of soil feels dry. Avoid letting the plant sit in water to prevent root rot. During winter, reduce watering frequency.
Fertilizing. Feed with a balanced, water-soluble fertilizer every 4-6 weeks during the growing season (spring and summer). Reduce feeding in fall and winter when growth slows.
Coleus amboinicus is a hardy and easy-to-grow plant that prefers bright, indirect light and well-draining soil. It tolerates some drought but grows best with moderate watering. Avoid overwatering to prevent root rot. It requires minimal maintenance and can be grown indoors or outdoors in warm climates.
Propagation
- Propagation methods
- Cuttings, Division
- Care difficulty
- Easy
Ornamental features
- Flowering
- Yes
- Flowering period
- summer
Thick, fuzzy, scalloped leaves with a strong aroma; small tubular flowers in summer.
Toxicity & Safety
- Toxic to humans
- Non-toxic
- Toxic to pets
- Non-toxic
- Weed potential
- Not considered a weed
Non-toxic to humans and pets, making it safe to grow around children and animals.
Allergy information
- Allergy risk
- Low
- Allergy triggers
- Sap or latex, Skin contact
- Pollen level
- Low
Coleus amboinicus may cause mild skin irritation in some people who are sensitive to its sap. Avoid direct contact with the leaves if you have sensitive skin, and wash hands after handling. It is not known to cause serious allergic reactions.
Common problems
Overwatering can cause root rot and yellowing leaves. Too little light may result in leggy growth. Occasionally, pests like aphids or spider mites may appear.
Uses
Used as a culinary herb for flavoring dishes and in traditional medicine. Also grown as an ornamental plant for its attractive foliage and aroma.
Notes
Prune regularly to encourage bushy growth and prevent legginess. Repot every 1-2 years to refresh soil and allow room for roots. Protect from frost and cold drafts.