Overview

Coprosma robusta is a bushy shrubs in the genus Coprosma, part of the Rubiaceae family, with evergreen foliage. Coprosma robusta grows best in full sun, and tolerates loam soils and neutral pH. Its UK hardiness is rated H3. Suggested uses include city and courtyard gardens, gravel garden, mediterranean climate plants, patio and container plants, wall side borders and conservatory and greenhouse.

About

Coprosma robusta, commonly known as karamu, is an evergreen shrub belonging to the Rubiaceae family. It features a bushy habit with tough, simple leaves typical of the Coprosma genus. This cultivar thrives in full sun and prefers a sheltered position with moist but well-drained loam soil of neutral pH. Suitable for city and courtyard gardens, gravel gardens, and patios, it is hardy to UK zone H3 and can be propagated by semi-hardwood cuttings. Its winter interest adds value to Mediterranean-style and conservatory plantings.

About the genus

Coprosma is a genus of flowering plants in the family Rubiaceae. It is found in New Zealand, Hawaiian Islands, Borneo, Java, New Guinea, islands of the Pacific Ocean to Australia and the Juan Fernández Islands.

Wikipedia contributors, "Coprosma", CC BY-SA 4.0 — Coprosma

Growing conditions

Best soil and position for Coprosma

Sunlight

Full sun

Soil type

Loam

Soil pH

Neutral

Soil moisture

Moist but well-drained

Aspect

South-facing, West-facing, East-facing

Exposure

Sheltered

UK hardiness

H3

Plant details

Coprosma robusta size, habit and characteristics

Plant type

Shrubs

Habit

Bushy

Foliage

Evergreen

Suggested uses

City and courtyard gardens, Gravel garden, Mediterranean climate plants, Patio and container plants, Wall side borders, Conservatory and greenhouse

Care notes

Pruning and caring for Coprosma robusta

Propagation

Semi-hardwood cuttings

Pest resistance

Generally pest-free

Disease resistance

Generally disease-free

Frequently asked questions