Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct
Acacia melanoxylon - Blackwood Acacia - Evergreen Trees Direct

Acacia melanoxylon - Blackwood Acacia

100L: Approximately 2.8 m – 3.2 m tall
40cm/45L: Approximately 1.5 m – 2.2 m tall

Please note: These height guides are approximate, as we work with live plants and natural variation is expected. The measurements provided reflect typical stock sizing but may vary between batches.

Size
$570.00
$570.00
Tax included. Shipping calculated at checkout.
A GRADE STOCK, EVERY TIME.

Learn About Your New Acacia melanoxylon - Blackwood Acacia

The Acacia melanoxylon – Blackwood Acacia is a fast-growing evergreen tree (6–30m H × 4–10m W) with a tall, upright trunk and dense canopy of dark green phyllodes. It looks excellent in large native gardens, rural shelterbelts, and public landscapes where height, structure, and durability are required. Creamy-yellow spherical flowers appear in spring to early summer, offering subtle seasonal interest.

Acacia melanoxylon – Blackwood Acacia thrives in full sun, handles clay, loam, or sandy soils, and tolerates low fertility, frost, and moderate drought. Commonly used for erosion control, windbreaks, and timber production. Suitable for revegetation projects, biodiversity corridors, and large-scale planting.

Low-maintenance and highly adaptable, this is a proven performer across temperate and cool regions. Best spaced at 5–7m for canopy development and airflow.

Plant Profile
Planting & Spacing Tips
Post Planting Care
Tips for Various Soil Types

1. Botanical & Physical Characteristics

BOTANICAL NAME:
Acacia melanoxylon
GENUS:
Acacia
BOTANICAL SPECIES:
melanoxylon
COMMON NAME:
Blackwood Acacia
FAMILY:
Fabaceae
EVERGREEN / DECIDUOUS:
Evergreen (foliage year round)
FOLIAGE TYPE
  • Broad
FORM & SHAPE
  • Upright

2. Growth & Environmental Conditions

GROWTH RATE
EXPECTED GROWTH PER YEAR

Approx 1.5 – 2.4 meters per year under optimal conditions.

MATURE HEIGHT

6 m – 30 m

MATURE WIDTH

4 m – 10 m

SUNLIGHT EXPOSURE
FROST TOLERANCE

Frost Hardy – Survives heavy and frequent frost without damage.

AUSTRALIAN NATIVE?
Yes

3. Practical Uses & Flowering

USES:
  • Shade Tree
  • Avenue Planting
  • Screening or Privacy
  • Council or Civic Landscapes
  • Rural Property Planting
  • Revegetation or Regeneration
FLOWER COLOUR
Yellow
FLOWER TYPE
  • Fluffy
FLOWERING PERIOD
  • Spring
  • Summer

Planting Tips

Plant Spacing

Hedging & Screening: Plant 2 m apart for a tall, dense screen.

Feature Tree: Plant 3 m apart to allow full form development.

Avenue Planting Trees:Suitable for avenue planting with 5–6 m spacing.

Ensuring A Strong Start

How to Plant Acacia melanoxylon

  1. Select a Sunny Spot: Ensure well-draining soil.
  2. Prepare Soil: Integrate compost for enhanced growth.
  3. Dig a Hole: Twice the container's width and equal depth.
  4. Plant: Gently position Acacia in the hole, refill, and pat down.
  5. Water: Thoroughly upon 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: 49.5cm (W) × 35.2cm (D)
  • 70L Pot: 55cm (W) × 41.8cm (D)
  • 100L Bag: 50.6cm (W) × 52.8cm (D)
  • 100L Pot: 66cm (W) × 49.5cm (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)

Post Planting Care

When planting a new tree or shrub, proper watering is essential to ensure healthy establishment and long-term growth. Follow these guidelines to give your plant the best start:

  1. Immediately After Planting:
    Water generously right after planting to settle the soil around the roots and eliminate air pockets. This helps the roots make good contact with the soil.
  2. First Three Months (Establishment Phase):
    The initial three months are critical for root development. Water deeply twice daily (morning and evening) to encourage strong, deep root growth.
  3. Irrigation Systems:
    If using an irrigation system, adjust it to provide adequate water during the establishment phase. Ensure the water reaches the root zone without overwatering.
  4. Weather Considerations:
    Adjust watering based on weather conditions. Increase frequency during hot, dry periods and reduce it during cooler, wetter seasons.
  5. Ongoing Care:
    After the establishment phase (3 months), gradually reduce watering frequency but ensure the plant receives consistent moisture, especially during dry spells.

Long Term & Ongoing Care

Caring for Acacia melanoxylon

  • Watering: Consistent in early life; lessen with age.
  • Pruning: Occasional shaping and dead branch removal.
  • Mulching: Apply around the base, avoid touching the trunk.
  • Pests/Diseases: Monitor for typical Acacia issues.

Growing Your Acacia melanoxylon - Blackwood Acacia in Various Soil Types

The stately Blackwood Acacia thrives in well-draining soil. Here's how to ensure proper drainage for your Acacia melanoxylon:

  • Ideal Drainage: Acacia melanoxylon prefers well-draining soil. If your existing soil is compact, amending it with organic material like compost or composted bark will improve drainage and aeration. This allows for good air circulation around the roots and prevents waterlogging.
  • Sandy Soil: While somewhat tolerant of sandy soil, it can dry out quickly. To maintain a healthy Acacia melanoxylon in sandy soil, be mindful of watering needs, especially during hot and dry periods. You may need to supplement with regular watering to ensure it doesn't become too dry.
  • Clay Soil: Clay soil can retain too much moisture, potentially leading to root rot. To improve drainage in heavy clay soils, mix in sand and organic matter. This creates a more porous structure that allows excess water to drain away and prevents waterlogging.

By providing good drainage, you'll create optimal conditions for your Acacia melanoxylon to thrive and reach its full potential.

Here is what customers like you frequently ask

FAQ

Q. Is this tree suitable for hedging or screening?
A. It’s not used for formal hedging but can be planted 4 – 5 m apart for windbreaks or informal large-scale screening.

Q. How fast does Acacia melanoxylon grow?
A. It grows at a moderate pace of around 50 – 80 cm per year, with faster growth in ideal conditions.

Q. What makes it a good feature tree?
A. Its tall, upright structure and dense green foliage provide shade, structure, and seasonal flowers in spring to early summer.

Q. Is it drought-tolerant?
A. Yes, once established, it can tolerate moderate drought conditions.

Q. What are the flowers like and when do they appear?
A. Small pale yellow flowers appear from spring to early summer, offering subtle seasonal interest.

Q. Does it tolerate frost or poor soil?
A. Yes, it’s highly adaptable, tolerates a wide range of soils, and is frost-resistant once mature.

Q. What kind of maintenance does it need?
A. It is generally low-maintenance, requiring regular watering when young and minimal pruning once mature.

AS FEATURED IN

Not Sure Which Tree to Choose? Let Us Help.
Need Help Selecting Your Perfect Trees? Need Help Selecting Your Perfect Trees? Need Help Selecting Your Perfect Trees? Need Help Selecting Your Perfect Trees? Need Help Selecting Your Perfect Trees?Need Help Selecting Your Perfect Trees?Need Help Selecting Your Perfect Trees?Need Help Selecting Your Perfect Trees?

Find the perfect tree for your space with our expert Tree Finder quiz. Answer a few quick questions, and we'll match you with the best options.

Take Our Tree Finder Quiz
HAVE A PLANT SCHEDULE TO SEND US?

Need Assistance For Your Next Project? Let Us Help.

Evergreen Trees Direct is Australia's unrivaled supplier of the highest quality advanced tree stock. Our extensive supplier network allows us to provide a one-stop shop for all your landscaping needs, no matter how big or small the project. We pride ourselves on exceptional service, ensuring a seamless experience from selection to delivery. Trust us to bring your landscaping vision to life with the perfect trees for any outdoor space. With our unrivaled selection and commitment to service, Evergreen Trees Direct is the top choice for landscapers, property developers, and garden enthusiasts alike.

Submit Your Plant Schedule

Recently Supplied Projects

Get Inspiration