Overview

Cephalanthus occidentalis is a bushy shrubs in the genus Cephalanthus, part of the Rubiaceae family, with deciduous foliage. It typically grows around 1.5-2.5 metres tall and 1.5-2.5 metres wide, reaching full size in around 5-10 years. Cephalanthus occidentalis grows best in full sun, and tolerates loam and sand soils and acid and neutral pH. Its UK hardiness is rated H5. It is low maintenance. Suggested uses include cottage and informal garden, city and courtyard gardens, low maintenance and flower borders and beds.

About

Cephalanthus occidentalis, commonly known as button bush, is a deciduous shrub belonging to the Rubiaceae family. It grows bushy and reaches a height and spread of 1.5 to 2.5 metres over 5 to 10 years. This cultivar thrives in full sun with a south or west-facing aspect and adapts well to both exposed and sheltered locations. It prefers moist but well-drained loam or sandy soils with acid to neutral pH. Low maintenance, it provides seasonal interest throughout summer, autumn, and winter.

About the genus

Cephalanthus is a genus of flowering plants in the family Rubiaceae. There are five extant species that are commonly known as buttonbush.

Wikipedia contributors, "Cephalanthus", CC BY-SA 4.0Cephalanthus

Growing conditions

Best soil and position for Cephalanthus

Sunlight
Full sun
Soil type
Loam, Sand
Soil pH
Acid, Neutral
Soil moisture
Moist but well-drained
Aspect
South-facing, West-facing
Exposure
Exposed, Sheltered
UK hardiness
H5

Plant details

Cephalanthus occidentalis size, habit and characteristics

Plant type
Shrubs
Habit
Bushy
Foliage
Deciduous
Height
1.5-2.5 metres
Spread
1.5-2.5 metres
Time to full height
5-10 years
Suggested uses
Cottage and informal garden, City and courtyard gardens, Low Maintenance, Flower borders and beds

Care notes

Pruning and caring for Cephalanthus occidentalis

Propagation
Semi-ripe cuttings
Pest resistance
Generally pest-free
Disease resistance
Generally disease-free

Frequently asked questions

Where is the best place to plant Cephalanthus occidentalis?

Cephalanthus occidentalis prefers full sun. It suits exposed and sheltered positions.

What soil does Cephalanthus occidentalis need?

Cephalanthus occidentalis grows best in loam and sand soil. It prefers acid and neutral soil. Aim for soil that stays moist but well-drained.

How big does Cephalanthus occidentalis grow?

Cephalanthus occidentalis reaches a height of 1.5-2.5 metres and a spread of 1.5-2.5 metres. It takes around 5-10 years to reach full size.

Is Cephalanthus occidentalis hardy in the UK?

Cephalanthus occidentalis has an RHS hardiness rating of H5, meaning it is hardy in most of the UK, tolerating -15 to -10°C.

How do I propagate Cephalanthus occidentalis?

Semi-ripe cuttings.

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