callistemon viminalis slim bunnings

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If you're searching for "callistemon viminalis slim bunnings", you're likely interested in the vibrant and versatile Callistemon 'Slim'. This slender bottlebrush variety is taking New Zealand gardens by storm, prized for its narrow growth habit, showy red blooms, and exceptional drought tolerance. Perfect for tight spaces, modern landscapes, and as a colourful hedge, Callistemon 'Slim' brings classic bottlebrush beauty to even the smallest urban garden. Read on to learn about growing, caring for, and using Callistemon 'Slim'—as well as how it compares to other popular bottlebrushes like [Callistemon 'Genoa Glory' (Bottlebrush)](/shop/product/shrubs/callistemon-genoa-glory) and [Callistemon 'Little John'](/shop/product/shrubs/callistemon-little-john).

Callistemon 'Slim' (Slim Bottlebrush)

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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.

Callistemon 'Slim' (Slim Bottlebrush)

Suited to regions:
All regions
Plant type:
Shrubs
Height:
3.00 m
Spread:
1.25 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

More species and varieties of Callistemon

Popular Evergreen Shrubs

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What Makes Callistemon 'Slim' Unique?

Callistemon 'Slim' is a cultivar of Callistemon viminalis, often known as the Weeping Bottlebrush. Unlike traditional varieties, 'Slim' boasts a naturally narrow, upright growth—reaching around 3 metres tall but staying only 1–1.5 metres wide. This makes it a superb choice for privacy screening along narrow side paths, driveways, or fences where space is at a premium.

From late spring through summer, Callistemon 'Slim' produces masses of rich red bottlebrush flowers, highly attractive to Tui and pollinators. The fine, weeping foliage is a lush green, creating an elegant backdrop in mixed shrub borders. For those looking to buy in New Zealand, availability rivals that of "callistemon viminalis slim bunnings" stores—visit your local nursery for healthy, locally grown plants.

How to Grow and Care for Callistemon 'Slim'

Plant Callistemon 'Slim' in full sun for the best flowering display, though it tolerates light shade. It's adaptable to most soil types, provided they drain freely. Once established, 'Slim' is remarkably drought tolerant and highly resistant to most pests and diseases.

Pruning after flowering will maintain a tidy shape and encourage even denser growth. Mulch in spring to retain soil moisture and suppress weeds. This variety is also tolerant of light frosts, making it a reliable performer in most NZ gardens.

Design Ideas and Other Bottlebrush Varieties

The slender form of Callistemon 'Slim' is ideal for garden hedging, container planting, or adding vertical interest to mixed shrub borders. Pair it with contrasting foliage plants like Aucuba Picturata (Japanese Laurel Plant) or the dramatic Hydrangea quercifolia for a layered effect.

Explore other callistemon favourites to diversify your garden design:

Callistemon 'Genoa Glory' (Bottlebrush): lush, upright and hardier for cool climates
Callistemon 'Little John': a compact, blue-leafed dwarf variety
Callistemon 'Rocky Rambler' (Red Bottlebrush): great for groundcovering and spilling over walls
Callistemon 'White Anzac' (White Bottlebrush): fresh, white blooms for a brighter accent
Callistemon 'Green John' (Dwarf Bottlebrush): dense and tidy for low hedges or garden edges
Callistemon 'Green Envy': striking foliage and a designer touch for landscape borders

Whether you're searching for "callistemon viminalis slim bunnings" or exploring our specialist range online, Callistemon 'Slim' is sure to boost your garden with texture, colour, and unique structure. Browse our full range or visit us for more expert plant advice.

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Whether you need assistance finding the plant you’re looking for or you simply want to know more about who we are and what we do, we invite you to get in touch with us today. A member of The Plant Company team will get back in touch as soon as possible.