Eucalyptus robusta – Swamp Mahogany

Size: 100L
Sale price$620.00

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Eucalyptus robusta – Swamp Mahogany
Eucalyptus robusta – Swamp Mahogany - Evergreen Trees Direct
is a Evergreen (foliage year round)
tree with a Mature Height of 15m - 30m Approximately, and a Mature Width of 8 – 12 meters.
They have a Fast Growth Rate,
with per annum growth of Approx. 1 – 1.5 m per year.
Eucalyptus robusta – Swamp Mahogany can be used for Avenue Planting, Council or Civic Landscapes, Rural Property Planting, Revegetation or Regeneration, and Shade Tree.
They tolerate Full Sun.

Eucalyptus robusta – Swamp Mahogany - Evergreen Trees Direct

PLANT PROFILE

Eucalyptus robusta, known as Swamp Mahogany, is a fast-growing and hardy Australian native tree perfectly suited for wetter or coastal environments. Reaching heights of 15–25 meters with a broad 8–12 meter canopy, it offers dense, glossy evergreen foliage and creamy-white flowers from winter to spring that attract pollinators and support local wildlife.

Its remarkable tolerance to waterlogged, clay, and acidic soils makes it a dependable choice for challenging sites such as wetlands and coastal buffers. Thriving in full sun and withstanding light frost and coastal exposure, Swamp Mahogany requires low maintenance and moderate to high moisture, especially during establishment.

This tree looks excellent in landscapes where resilience meets natural beauty — ideal for shelterbelts, windbreaks, feature planting, and habitat restoration. If you want a reliable, fast-growing tree that enhances biodiversity while providing year-round shade and structure, Eucalyptus robusta is a standout performer.

Mature Height: 15m - 30m Approximately

Mature Width: 8 – 12 meters

Approx. 1 – 1.5 m per year

  • Fast Growth Rate

Hedging & Screening: 4 – 6 meters

Feature Tree: 6 – 8 meters

Avenue Planting: 8 – 10 meters

  1. Choose a sunny, open position with moist, well-drained soil.
  2. Dig a hole twice the width of the root ball.
  3. Add compost to enrich soil and aid establishment.
  4. Water deeply after planting and mulch to retain moisture.
  5. Stake young trees to encourage strong, upright growth.

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)

Eucalyptus robusta – Swamp Mahogany is Frost Tolerant – Can handle light to moderate frost once established..

Does Eucalyptus robusta – Swamp Mahogany flower?

  • Winter
  • Spring
  • Pollinator-attracting
  • Clustered

Cream

Q: Can Eucalyptus robusta tolerate wet or waterlogged soil?
A: Yes, it thrives in moist to wet conditions, making it ideal for coastal and poorly drained sites.

Q: Is Eucalyptus robusta suitable for coastal or windy locations?
A: Yes, it tolerates coastal exposure and strong winds well.

Q: How fast does Eucalyptus robusta grow?
A: It has a fast growth rate, often exceeding 1m per year in optimal conditions.

Q: Does Eucalyptus robusta attract wildlife?
A: Yes, its flowers are highly attractive to birds, bees, and other pollinators.

Q: Can Eucalyptus robusta be used in shelterbelts or windbreaks?
A: Absolutely – it is well-suited for shelterbelts, windbreaks, and wetland buffers.

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