Callistemon viminalis ‘Red Star’

Bottlebrush 'Red Star'

From: £18.95

Callistemon ‘Red Star’ is a captivating evergreen shrub prized for its vibrant red flowers resembling bottlebrushes. Ideal for smaller gardens or as a focal point in larger landscapes, it grows to approximately 2.5-4 metres in both height and width, but can be pruned to a smaller size. Thriving in full sun and well-drained soil, it requires minimal maintenance once established, with occasional pruning for bushy growth.

Its striking blooms attract pollinators, enhancing garden biodiversity. Callistemon ‘Red Star’ adds year-round colour to gardens, making it a sought-after choice among gardeners for its beauty and easy care.


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Origin: Cultivar of horticultural origin, species native to Eastern and Southeastern Australia
Genus: Callistemon
Species / Cultivar: viminalis 'Red Star'
Common Name: Bottlebrush 'Red Star'

Plant Biography

Callistemon ‘Red Star’ is a cultivar of the genus Callistemon, commonly known as bottlebrushes, belonging to the Myrtaceae family. Developed for its ornamental value, ‘Red Star’ is characterised by its vibrant red flowers and compact growth habit. The genus Callistemon is native to Australia and comprises around 34 species, primarily found in the eastern and southeastern parts of the country.

These evergreen shrubs or small trees are valued for their showy flowers, which attract birds and pollinators. ‘Red Star’ emerged through selective breeding efforts aimed at enhancing the aesthetic appeal and garden performance of Callistemon species.

Callistemon viminalis ‘Red Star’
Soil: Well drained
Soil that does not show much signs of moisture, either visibly or when handled.
Growth Rate: Medium
Expect to see moderate growth during growing season.
Water Requirement: Low
Will grow in a drier position and is unlikely to need regular watering once established.
Maintenance: A little
Easy to look after but may occasionally require some attention in order to thrive.
Situation: Full Sun
Wants direct, unfiltered sunlight most of the day, such as a south facing position.
Eventual Height: 2.5-4m
The plant's ultimate height in typical growing conditions.
Eventual Spread: 2.5-3.5m
The plant's ultimate spread in typical growing conditions.
Hardiness: Hardy
Survives unprotected in an average winter. May need protection in extreme long frosts.
Habit: Evergreen
Always in leaf throughout the year. It won't lose all its leaves at any one time.
Care & Size Guidance

Care & Size Guidance

Callistemon ‘Red Star’ thrives in well-drained soil and full sun, typical of its native Australian habitat. Regular watering is crucial during the establishment phase, but once mature, it tolerates dry spells well. Pruning after flowering promotes bushy growth and maintains its compact form, which typically reaches heights of 2.5-4 metres with a similar spread.

This evergreen shrub is relatively low-maintenance, requiring minimal fertilisation and pest control. Its striking red flowers, reminiscent of bottlebrushes, add a vibrant touch to gardens and attract pollinators. Callistemon ‘Red Star’ is an ideal choice for landscapes seeking year-round colour and easy-care plants.


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