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Callistemon 'Slim'

5 from 1 customers

Slim Bottlebrush

Callistemon 'Slim' is a narrow growing evergreen shrub admired for its vibrant red bottlebrush flowers that appear from spring into summer. The bright blooms contrast beautifully with fine green foliage and attract birds to the garden. Its upright compact habit makes it perfect for New Zealand gardens where space is limited, providing bold colour and structure without taking up excessive room.

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The average plant height is 36cm.
$26.93

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Suited to regions:All regions
Plant type:Shrubs
Height:2.50 m
Spread:1.30 m
Flowering time:Spring, Summer, Autumn
Tolerances:Coastal, Extended dry periods, Hardy, Wind
Garden uses:Containers, Hedging, Living areas, Parks, Pool areas, Screening, Specimen
Garden styles:Alpine, Architectural, Backyard, City & Courtyard, Coastal, Formal, Frontyard, Japanese, Mediterranean, Modern
Easy to grow?Yes
Maintenance requirementsLow
Growth rateMedium
Also known asSlim Bottlebrush
Sku17457

How to grow Callistemon 'Slim' in NZ

Callistemon 'Slim' thrives in full sun and well drained soil. It tolerates a wide range of soil types including coastal conditions, provided drainage is good. Choose a sheltered site in colder regions of NZ to protect from heavy frost while young. Water regularly during establishment to encourage strong root development. Once established, this hardy variety copes well with dry periods and warm summer conditions.

Callistemon 'Slim' care tips

Callistemon 'Slim' is easy care once established. Water during extended dry spells, especially in its first year. Apply mulch around the base to retain moisture and suppress weeds, keeping it clear of the trunk. Light pruning after flowering will maintain its narrow shape and encourage repeat blooming. Feed in spring with a general garden fertiliser to support healthy growth and vibrant flowers.

Callistemon 'Slim' size, spacing, and growth rate

Callistemon 'Slim' typically grows to around 3 metres tall but only 1 to 1.5 metres wide in NZ conditions. Its naturally upright form makes it ideal for tight spaces and narrow planting areas. Space plants approximately 1 to 1.5 metres apart when creating a slim hedge or screen. The growth rate is moderate, with steady annual development in full sun and well drained soil.

Landscaping uses for Callistemon 'Slim'

Callistemon 'Slim' is ideal for narrow hedging, screening along fences, and feature planting in compact gardens. Its upright habit makes it perfect for driveways, pathways, and boundary lines where space is restricted. The bright red flowers add strong seasonal colour and attract birdlife. It also performs well in modern landscapes and coastal gardens where structure and colour are both desired.

Why buy Callistemon 'Slim' from The Plant Company?

The Plant Company is NZ’s most trusted plant nursery, supplying premium quality plants grown for local conditions. When you purchase Callistemon 'Slim' from The Plant Company, you receive a healthy, well established plant ready to thrive in your garden. Our team provides expert advice, careful packaging, and reliable nationwide delivery, ensuring confidence and excellent value with every purchase.

Questions and Answers

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Reviews

5 from 1 customers
Gordon Thomson - Waikato
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