Callistemon Viminalis 'Slim'

Size: 40cm/45L
Sale price$265.00

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The Details

Callistemon Viminalis 'Slim' Profile

Callistemon viminalis ‘Slim’ is a compact, narrow-growing bottlebrush ideal for tight spaces, hedging, or feature planting in modern gardens. This Australian native cultivar maintains a naturally upright form, typically reaching around 3 metres tall with a spread of just 1–1.5 metres, making it perfect for small gardens, along driveways, or beside fences.

‘Slim’ produces vibrant red bottlebrush flowers in spring and autumn, attracting birds, bees, and pollinators. The foliage is dense and evergreen, providing year-round screening and structure. Hardy and low maintenance, it thrives in full sun, tolerates most soil types, and handles both drought and light frost once established. Responds well to pruning after flowering to maintain shape and density.

Plant Spacing Recommendations

Feature Planting: Space 1.5 – 2 m apart
Hedging & Screening: Space 0.8 – 1.2 m apart for dense screening
Avenue Planting: Space 2 – 3 m apart for linear planting

Callistemon Viminalis 'Slim' - Evergreen Trees Direct

The Details

Callistemon Viminalis 'Slim' Profile

Callistemon viminalis ‘Slim’ is a compact, narrow-growing bottlebrush ideal for tight spaces, hedging, or feature planting in modern gardens. This Australian native cultivar maintains a naturally upright form, typically reaching around 3 metres tall with a spread of just 1–1.5 metres, making it perfect for small gardens, along driveways, or beside fences.

‘Slim’ produces vibrant red bottlebrush flowers in spring and autumn, attracting birds, bees, and pollinators. The foliage is dense and evergreen, providing year-round screening and structure. Hardy and low maintenance, it thrives in full sun, tolerates most soil types, and handles both drought and light frost once established. Responds well to pruning after flowering to maintain shape and density.

Plant Spacing Recommendations

Feature Planting: Space 1.5 – 2 m apart
Hedging & Screening: Space 0.8 – 1.2 m apart for dense screening
Avenue Planting: Space 2 – 3 m apart for linear planting

Callistemon Viminalis 'Slim' - Evergreen Trees Direct

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About This Tree

Botanical Profile

Explore the essential characteristics and growth habits of this plant, curated to assist you in making an inspired and confident choice for your landscape.

Mature Height & Width

Mature Height

2.5 – 3 metres

Mature Width:

1 – 1.5 meters

Expected Growth Pear Year

20 – 40 cm per year

  • Medium Growth Rate
  • Fast Growth Rate
Evergreen/ Deciduous

Evergreen (foliage year round)

Frost Tolerance

Frost Tolerant – Can handle light to moderate frost once established.

Sunlight Tolerance
  • Full Sun
Form & Shape

Callistemon Viminalis 'Slim' is considered:

Australian Native?

Yes

Flowering Information

Flower Colour: Red

Flower Type:

  • Pollinator-attracting

Flowering Period

  • Spring
  • Autumn
Foliage Type / Shape
  • Fine

As Featured In

Here Is What Customers Like You Frequently Ask

FAQ

Q: Can it be used as a hedge?
A: Yes – it's perfect for narrow hedging and responds well to pruning.

Q: Does it attract wildlife?
A: Yes – birds, bees, and beneficial pollinators love its red flowers.

About

Planting Guide

How to Plant Callistemon Viminalis 'Slim'

  • Choose a sunny location with well-drained soil.
  • Dig a hole twice as wide as the pot.
  • Backfill with enriched soil and water deeply after planting.

Root Ball Dimensions (Width × Depth) For Planting

Use this as a reference when digging your planting hole. We recommend digging at least 10% wider than the dimensions below to encourage strong root development.

  • 30cm Pot: 33cm (W) × 30cm (D)
  • 40cm/45L Pot: 44cm (W) × 41.5cm (D)
  • 50cm Pot / 70L Pot: 55cm (W) × 41.8cm (D)
  • 100L Bag: 50.6cm (W) × 52.8cm (D)
  • 150L Bag: 66cm (W) × 55cm (D)
  • 200L Bag: 71.5cm (W) × 60.5cm (D)
  • 300L Bag: 88cm (W) × 63.8cm (D)
  • 400L Bag: 99cm (W) × 66cm (D)
  • 500L Bag: 122cm (W) × 66cm (D)
  • 750L Bag: 134cm (W) × 69cm (D)
  • 1000L Bag: 146.3cm (W) × 71.5cm (D)
  • 2000L Bag: 176cm (W) × 82.5cm (D)

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