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

Size

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.

$570.00
$570.00
Tax included. Shipping calculated at checkout.
  • Australian Native
  • Bird and Pollinator Attracting
  • Carbon Offsetter
  • Coastal Tolerant
  • Drought Tolerant
  • Erosion Control
  • Evergreen Shrub
  • Fast Growing
  • Flowering Tree
  • Group Planting
  • Large Tree
  • Low Maintenance
  • Shade Tree
  • Specimen Tree

Learn About Your New Acacia melanoxylon - Blackwood Acacia

Acacia melanoxylon, commonly referred to as Blackwood Acacia, is an evergreen Australian native tree with fast growth, making it a popular choice for landscape design, revegetation projects, windbreaks, and timber production. It has a wide range of adaptability, being able to thrive in various climate zones, soil types, and environmental conditions. This makes it ideal for use in public landscapes, rural properties, shelterbelts, erosion control, and biodiversity corridors. Blackwood Acacia has a tall, upright trunk, dense canopy of dark green, elongated phyllodes, and produces creamy-yellow globular flowers in the spring and early summer. It can reach impressive heights of 6 to 30 meters, making it suitable for large-scale native gardens and forestry applications.

Plant Details

  • Common Name: Blackwood Acacia

  • Botanical Name: Acacia melanoxylon

  • Family: Fabaceae

  • Plant Type: Evergreen tree

  • Native To: Southeastern Australia

  • Growth Rate: Moderate to fast

  • Mature Height: 6–30 meters

  • Mature Width: 4–10 meters

  • Spacing: 5–7 meters

Foliage & Flowers

  • Foliage: Dark green, narrow, phyllode-like leaves

  • Flowering Period: Spring to early summer

  • Flowers: Small pale yellow or cream spherical flower heads

Form & Habit

  • Tall, upright central trunk

  • Dense, spreading canopy

  • Suitable for shaping and light pruning

Landscape & Environmental Uses

  • Feature tree in large native gardens and open landscapes

  • Windbreaks and shelterbelts for rural and coastal sites

  • Timber tree with durable hardwood used for furniture and joinery

  • Revegetation and biodiversity planting

  • Erosion control and soil stabilisation

  • Suitable for council streetscapes, public parks, and roadside planting

Position & Soil

  • Prefers full sun, tolerates light shade

  • Grows in clay, loam, sandy, and gravel soils

  • Tolerates low fertility and variable drainage

  • Performs well in temperate and cool climates

Watering & Maintenance

  • Requires regular watering during establishment

  • Low watering needs once established

  • Minimal pruning required

  • Suitable for low-maintenance landscapes

Tolerance & Hardiness

  • Frost-tolerant once mature

  • Moderately drought hardy

  • Handles poor soils, exposed sites, and urban air pollution

Everything You Need to Know Before Planting Acacia melanoxylon - Blackwood Acacia

Planting & Growing Tips for Acacia melanoxylon - Blackwood Acacia
Frequently Asked Acacia melanoxylon - Blackwood Acacia Questions

Planting Tips for Acacia melanoxylon - Blackwood Acacia

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) & Planting Guide for Acacia melanoxylon - Blackwood Acacia

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)

Growing 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.

Watering Requirements After Planting Your Acacia melanoxylon - Blackwood Acacia

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, gradually reduce watering frequency but ensure the plant receives consistent moisture, especially during dry spells.

By providing consistent and appropriate watering during the initial months, you’ll help your new tree or shrub establish a strong root system and thrive in your garden.

Frequently Asked Questions About Acacia melanoxylon - Blackwood Acacia

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.

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.

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