About

Coleus amboinicus is a perennial plant that remains green year-round and can reach a height of up to 30 cm. It features thick, soft leaves with finely toothed edges, which emit a strong fragrance and serve as a culinary herb. This plant thrives in a cool or temperate greenhouse environment or can be cultivated indoors as a houseplant.

About the genus

This genus consists of annual or perennial herbs and shrubs, with some species exhibiting succulent or tuberous characteristics. They are among the simplest plants to propagate. The soft-textured foliage contributes rich colors, including red, pink, green, and purple, enhancing garden beds, borders, and container arrangements.

Growing conditions

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Acid, Alkaline, Neutral
Soil moisture
Moist but well-drained
Aspect
East-facing, South-facing, West-facing
Exposure
Sheltered
UK hardiness
H1B

Plant details

Plant type
Conservatory Greenhouse, Houseplants
Habit
Bushy
Foliage
Evergreen
Height
0.1-0.5 metres
Spread
0.1-0.5 metres
Time to full height
2-5 years
Suggested uses
Houseplants, Patio and container plants, Sub-tropical, Hanging basket
Native to
Africa, Asia
Fragrance
Foliage

Care notes

Cultivation
Under glass, grow in peat-free, loam-based potting compost in full light, with shade from hot sun. During growth, water freely and apply a balanced liquid fertiliser monthly; water moderately in winter. Plants can be moved outdoors during summer
Pruning
No pruning required
Propagation
Propagate by cuttings at any time of year
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free